From 33ab7deb6d76a06616b7055f754e9fbbd0ec517f Mon Sep 17 00:00:00 2001 From: yanzin00 Date: Tue, 17 Jun 2025 16:22:23 -0300 Subject: [PATCH 1/8] sparse array in-place send/recv --- src/mpi.jl | 90 ++++++++++++++++++++++++++++++++++++----------------- test/mpi.jl | 56 +++++++++++++++++++++++++-------- 2 files changed, 105 insertions(+), 41 deletions(-) diff --git a/src/mpi.jl b/src/mpi.jl index b2d1d2b6e..23f134d8b 100644 --- a/src/mpi.jl +++ b/src/mpi.jl @@ -404,6 +404,19 @@ const DEADLOCK_WARN_PERIOD = TaskLocalValue{Float64}(()->10.0) const DEADLOCK_TIMEOUT_PERIOD = TaskLocalValue{Float64}(()->60.0) const RECV_WAITING = Base.Lockable(Dict{Tuple{MPI.Comm, Int, Int}, Base.Event}()) +struct InplaceInfo + type::DataType + shape::Tuple +end +struct InplaceSparseInfo + type::DataType + m::Int + n::Int + colptr::Int + rowval::Int + nzval::Int +end + function supports_inplace_mpi(value) if value isa DenseArray && isbitstype(eltype(value)) return true @@ -412,16 +425,17 @@ function supports_inplace_mpi(value) end end function recv_yield!(buffer, comm, src, tag) - println("buffer recv: $buffer, type of buffer: $(typeof(buffer)), is in place? $(supports_inplace_mpi(buffer))") + #println("buffer recv: $buffer, type of buffer: $(typeof(buffer)), is in place? $(supports_inplace_mpi(buffer))") if !supports_inplace_mpi(buffer) return recv_yield(comm, src, tag), false end + time_start = time_ns() detect = DEADLOCK_DETECT[] warn_period = round(UInt64, DEADLOCK_WARN_PERIOD[] * 1e9) timeout_period = round(UInt64, DEADLOCK_TIMEOUT_PERIOD[] * 1e9) rank = MPI.Comm_rank(comm) - Core.println("[rank $(MPI.Comm_rank(comm))][tag $tag] Starting recv! from [$src]") + #Core.println("[rank $(MPI.Comm_rank(comm))][tag $tag] Starting recv! from [$src]") # Ensure no other receiver is waiting our_event = Base.Event() @@ -460,7 +474,7 @@ function recv_yield!(buffer, comm, src, tag) notify(our_event) end #Core.println("[rank $(MPI.Comm_rank(comm))][tag $tag] Released lock") - return value, true + return buffer, true end warn_period = mpi_deadlock_detect(detect, time_start, warn_period, timeout_period, rank, tag, "recv", src) yield() @@ -470,17 +484,10 @@ function recv_yield!(buffer, comm, src, tag) yield() end end -struct InplaceInfo - type::DataType - shape::Tuple -end + function recv_yield(comm, src, tag) - time_start = time_ns() - detect = DEADLOCK_DETECT[] - warn_period = round(UInt64, DEADLOCK_WARN_PERIOD[] * 1e9) - timeout_period = round(UInt64, DEADLOCK_TIMEOUT_PERIOD[] * 1e9) rank = MPI.Comm_rank(comm) - Core.println("[rank $(MPI.Comm_rank(comm))][tag $tag] Starting recv from [$src]") + #Core.println("[rank $(MPI.Comm_rank(comm))][tag $tag] Starting recv from [$src]") # Ensure no other receiver is waiting our_event = Base.Event() @@ -494,7 +501,7 @@ function recv_yield(comm, src, tag) end end if other_event !== nothing - #Core.println("[rank $(MPI.Comm_rank(comm))][tag $tag] Waiting for other receiver...") + Core.println("[rank $(MPI.Comm_rank(comm))][tag $tag] Waitingg for other receiver...") wait(other_event) @goto retry end @@ -503,7 +510,7 @@ function recv_yield(comm, src, tag) type = nothing @label receive value = recv_yield_serialized(comm, rank, src, tag) - if value isa InplaceInfo + if value isa InplaceInfo || value isa InplaceSparseInfo value = recv_yield_inplace(value, comm, rank, src, tag) end lock(RECV_WAITING) do waiting @@ -512,11 +519,13 @@ function recv_yield(comm, src, tag) end return value end -function recv_yield_serialized(comm, my_rank, their_rank, tag) + +function recv_yield_inplace!(array, comm, my_rank, their_rank, tag) time_start = time_ns() detect = DEADLOCK_DETECT[] warn_period = round(UInt64, DEADLOCK_WARN_PERIOD[] * 1e9) timeout_period = round(UInt64, DEADLOCK_TIMEOUT_PERIOD[] * 1e9) + while true (got, msg, stat) = MPI.Improbe(their_rank, tag, comm, MPI.Status) if got @@ -524,25 +533,44 @@ function recv_yield_serialized(comm, my_rank, their_rank, tag) error("recv_yield failed with error $(MPI.Get_error(stat))") end count = MPI.Get_count(stat, UInt8) - buf = Array{UInt8}(undef, count) - req = MPI.Imrecv!(MPI.Buffer(buf), msg) + @assert count == sizeof(array) "recv_yield_inplace: expected $(sizeof(array)) bytes, got $count" + buf = MPI.Buffer(array) + req = MPI.Imrecv!(buf, msg) __wait_for_request(req, comm, my_rank, their_rank, tag, "recv_yield", "recv") - return MPI.deserialize(buf) + break end warn_period = mpi_deadlock_detect(detect, time_start, warn_period, timeout_period, my_rank, tag, "recv", their_rank) yield() end + return array end + function recv_yield_inplace(_value::InplaceInfo, comm, my_rank, their_rank, tag) + T = _value.type + @assert T <: Array && isbitstype(eltype(T)) "recv_yield_inplace only supports inplace MPI transfers of bitstype dense arrays" + array = Array{eltype(T)}(undef, _value.shape) + return recv_yield_inplace!(array, comm, my_rank, their_rank, tag) +end + +function recv_yield_inplace(_value::InplaceSparseInfo, comm, my_rank, their_rank, tag) + T = _value.type + @assert T <: SparseMatrixCSC "recv_yield_inplace only supports inplace MPI transfers of SparseMatrixCSC" + + colptr = recv_yield_inplace!(Vector{Int64}(undef, _value.colptr), comm, my_rank, their_rank, tag) + rowval = recv_yield_inplace!(Vector{Int64}(undef, _value.rowval), comm, my_rank, their_rank, tag) + nzval = recv_yield_inplace!(Vector{eltype(T)}(undef, _value.nzval), comm, my_rank, their_rank, tag) + + SparseArray = SparseMatrixCSC{eltype(T), Int64}(_value.m, _value.n, colptr, rowval, nzval) + return SparseArray + +end + +function recv_yield_serialized(comm, my_rank, their_rank, tag) time_start = time_ns() detect = DEADLOCK_DETECT[] warn_period = round(UInt64, DEADLOCK_WARN_PERIOD[] * 1e9) timeout_period = round(UInt64, DEADLOCK_TIMEOUT_PERIOD[] * 1e9) - T = _value.type - @assert T <: Array && isbitstype(eltype(T)) "recv_yield_inplace only supports inplace MPI transfers of bitstype dense arrays" - array = Array{eltype(T)}(undef, _value.shape) - while true (got, msg, stat) = MPI.Improbe(their_rank, tag, comm, MPI.Status) if got @@ -550,17 +578,14 @@ function recv_yield_inplace(_value::InplaceInfo, comm, my_rank, their_rank, tag) error("recv_yield failed with error $(MPI.Get_error(stat))") end count = MPI.Get_count(stat, UInt8) - @assert count == sizeof(array) "recv_yield_inplace: expected $(sizeof(array)) bytes, got $count" - buf = MPI.Buffer(array) - req = MPI.Imrecv!(buf, msg) + buf = Array{UInt8}(undef, count) + req = MPI.Imrecv!(MPI.Buffer(buf), msg) __wait_for_request(req, comm, my_rank, their_rank, tag, "recv_yield", "recv") - break + return MPI.deserialize(buf) end warn_period = mpi_deadlock_detect(detect, time_start, warn_period, timeout_period, my_rank, tag, "recv", their_rank) yield() end - - return array end const SEEN_TAGS = Dict{Int32, Type}() @@ -584,19 +609,27 @@ function _send_yield(value, comm, dest, tag; check_seen::Bool=true, inplace::Boo send_yield_serialized(value, comm, rank, dest, tag) end end + function send_yield_inplace(value, comm, my_rank, their_rank, tag) req = MPI.Isend(value, comm; dest=their_rank, tag) __wait_for_request(req, comm, my_rank, their_rank, tag, "send_yield", "send") end + function send_yield_serialized(value, comm, my_rank, their_rank, tag) if value isa Array && isbitstype(eltype(value)) send_yield_serialized(InplaceInfo(typeof(value), size(value)), comm, my_rank, their_rank, tag) send_yield_inplace(value, comm, my_rank, their_rank, tag) + elseif value isa SparseMatrixCSC + send_yield_serialized(InplaceSparseInfo(typeof(value), value.m, value.n, length(value.colptr), length(value.rowval), length(value.nzval)), comm, my_rank, their_rank, tag) + send_yield!(value.colptr, comm, their_rank, tag; check_seen=false) + send_yield!(value.rowval, comm, their_rank, tag; check_seen=false) + send_yield!(value.nzval, comm, their_rank, tag; check_seen=false) else req = MPI.isend(value, comm; dest=their_rank, tag) __wait_for_request(req, comm, my_rank, their_rank, tag, "send_yield", "send") end end + function __wait_for_request(req, comm, my_rank, their_rank, tag, fn::String, kind::String) time_start = time_ns() detect = DEADLOCK_DETECT[] @@ -623,6 +656,7 @@ function bcast_send_yield(value, comm, root, tag) send_yield(value, comm, other_rank, tag) end end + function mpi_deadlock_detect(detect, time_start, warn_period, timeout_period, rank, tag, kind, srcdest) time_elapsed = (time_ns() - time_start) if detect && time_elapsed > warn_period diff --git a/test/mpi.jl b/test/mpi.jl index a428e4256..5e15cad65 100644 --- a/test/mpi.jl +++ b/test/mpi.jl @@ -1,33 +1,63 @@ using Dagger using MPI +using SparseArrays Dagger.accelerate!(:mpi) -#= + + if MPI.Comm_rank(MPI.COMM_WORLD) == 0 B = rand(4, 4) - Dagger.send_yield(B, MPI.COMM_WORLD, 1, 0) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) B: $B") + Dagger.send_yield!(B, MPI.COMM_WORLD, 1, 0) + println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) send_yield! Array: B: $B") else B = zeros(4, 4) Dagger.recv_yield!(B, MPI.COMM_WORLD, 0, 0) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) B: $B") + println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) recv_yield! Array: B: $B") end +MPI.Barrier(MPI.COMM_WORLD) + if MPI.Comm_rank(MPI.COMM_WORLD) == 0 B = "hello" - Dagger.send_yield(B, MPI.COMM_WORLD, 1, 1) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) B: $B") + Dagger.send_yield!(B, MPI.COMM_WORLD, 1, 2) + println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) send_yield String: B: $B") else B = "Goodbye" - B1, _ = Dagger.recv_yield!(B, MPI.COMM_WORLD, 0, 1) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) B1: $B1") + B1, _ = Dagger.recv_yield!(B, MPI.COMM_WORLD, 0, 2) + println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) recv_yield! String: B1: $B1") end -=# -A = rand(Blocks(2,2), 4, 4) -Ac = collect(A) -println(Ac) +MPI.Barrier(MPI.COMM_WORLD) + +if MPI.Comm_rank(MPI.COMM_WORLD) == 0 + B = sprand(4,4,0.2) + Dagger.send_yield(B, MPI.COMM_WORLD, 1, 1) + println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) send_yield (half in-place) Sparse: B: $B") +else + B1 = Dagger.recv_yield(MPI.COMM_WORLD, 0, 1) + println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) recv_yield (half in-place) Sparse: B1: $B1") +end -#move!(identity, Ac[1].space , Ac[2].space, Ac[1], Ac[2]) +MPI.Barrier(MPI.COMM_WORLD) +if MPI.Comm_rank(MPI.COMM_WORLD) == 0 + B = rand(4, 4) + Dagger.send_yield(B, MPI.COMM_WORLD, 1, 0) + println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) send_yield (half in-place) Dense: B: $B") +else + + B = Dagger.recv_yield( MPI.COMM_WORLD, 0, 0) + println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) recv_yield (half in-place) Dense: B: $B") +end + +MPI.Barrier(MPI.COMM_WORLD) + + + +#= +A = rand(Blocks(2,2), 4, 4) +Ac = collect(A) +println(Ac) +=# +#move!(identity, Ac[1].space , Ac[2].space, Ac[1], Ac[2]) \ No newline at end of file From d2e5cce8853ac7f283b12cd2ec35cb6f7e062de6 Mon Sep 17 00:00:00 2001 From: yanzin00 Date: Mon, 30 Jun 2025 09:59:26 -0300 Subject: [PATCH 2/8] Add isbits check for Sparse eltype --- src/mpi.jl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mpi.jl b/src/mpi.jl index 23f134d8b..61363c6db 100644 --- a/src/mpi.jl +++ b/src/mpi.jl @@ -619,7 +619,7 @@ function send_yield_serialized(value, comm, my_rank, their_rank, tag) if value isa Array && isbitstype(eltype(value)) send_yield_serialized(InplaceInfo(typeof(value), size(value)), comm, my_rank, their_rank, tag) send_yield_inplace(value, comm, my_rank, their_rank, tag) - elseif value isa SparseMatrixCSC + elseif value isa SparseMatrixCSC && isbitstype(eltype(value)) send_yield_serialized(InplaceSparseInfo(typeof(value), value.m, value.n, length(value.colptr), length(value.rowval), length(value.nzval)), comm, my_rank, their_rank, tag) send_yield!(value.colptr, comm, their_rank, tag; check_seen=false) send_yield!(value.rowval, comm, their_rank, tag; check_seen=false) From 1fa9760a82c1391d9413fe01f49acc13d891f645 Mon Sep 17 00:00:00 2001 From: yanzin00 Date: Wed, 30 Jul 2025 19:22:58 -0300 Subject: [PATCH 3/8] Optimize MPI communication with combined broadcasts and early returns --- src/mpi.jl | 90 +++++++++++++++++++++++++---------------------------- test/mpi.jl | 81 +++++++++++++++++++++++++---------------------- 2 files changed, 86 insertions(+), 85 deletions(-) diff --git a/src/mpi.jl b/src/mpi.jl index 61363c6db..efad924a3 100644 --- a/src/mpi.jl +++ b/src/mpi.jl @@ -58,6 +58,7 @@ function aliasing(accel::MPIAcceleration, x::Chunk, T) @assert accel.comm == handle.comm "MPIAcceleration comm mismatch" tag = to_tag(hash(handle.id, hash(:aliasing))) rank = MPI.Comm_rank(accel.comm) + if handle.rank == rank ainfo = aliasing(x, T) #Core.print("[$rank] aliasing: $ainfo, sending\n") @@ -425,16 +426,11 @@ function supports_inplace_mpi(value) end end function recv_yield!(buffer, comm, src, tag) + rank = MPI.Comm_rank(comm) #println("buffer recv: $buffer, type of buffer: $(typeof(buffer)), is in place? $(supports_inplace_mpi(buffer))") if !supports_inplace_mpi(buffer) return recv_yield(comm, src, tag), false end - - time_start = time_ns() - detect = DEADLOCK_DETECT[] - warn_period = round(UInt64, DEADLOCK_WARN_PERIOD[] * 1e9) - timeout_period = round(UInt64, DEADLOCK_TIMEOUT_PERIOD[] * 1e9) - rank = MPI.Comm_rank(comm) #Core.println("[rank $(MPI.Comm_rank(comm))][tag $tag] Starting recv! from [$src]") # Ensure no other receiver is waiting @@ -453,36 +449,16 @@ function recv_yield!(buffer, comm, src, tag) wait(other_event) @goto retry end - while true - (got, msg, stat) = MPI.Improbe(src, tag, comm, MPI.Status) - if got - if MPI.Get_error(stat) != MPI.SUCCESS - error("recv_yield (Improbe) failed with error $(MPI.Get_error(stat))") - end - - req = MPI.Imrecv!(MPI.Buffer(buffer), msg) - while true - finish, stat = MPI.Test(req, MPI.Status) - if finish - if MPI.Get_error(stat) != MPI.SUCCESS - error("recv_yield (Test) failed with error $(MPI.Get_error(stat))") - end - - #Core.println("[rank $(MPI.Comm_rank(comm))][tag $tag] Received value") - lock(RECV_WAITING) do waiting - delete!(waiting, (comm, src, tag)) - notify(our_event) - end - #Core.println("[rank $(MPI.Comm_rank(comm))][tag $tag] Released lock") - return buffer, true - end - warn_period = mpi_deadlock_detect(detect, time_start, warn_period, timeout_period, rank, tag, "recv", src) - yield() - end - end - warn_period = mpi_deadlock_detect(detect, time_start, warn_period, timeout_period, rank, tag, "recv", src) - yield() + + buffer = recv_yield_inplace!(buffer, comm, rank, src, tag) + + lock(RECV_WAITING) do waiting + delete!(waiting, (comm, src, tag)) + notify(our_event) end + + return buffer, true + end function recv_yield(comm, src, tag) @@ -513,6 +489,7 @@ function recv_yield(comm, src, tag) if value isa InplaceInfo || value isa InplaceSparseInfo value = recv_yield_inplace(value, comm, rank, src, tag) end + lock(RECV_WAITING) do waiting delete!(waiting, (comm, src, tag)) notify(our_event) @@ -537,12 +514,11 @@ function recv_yield_inplace!(array, comm, my_rank, their_rank, tag) buf = MPI.Buffer(array) req = MPI.Imrecv!(buf, msg) __wait_for_request(req, comm, my_rank, their_rank, tag, "recv_yield", "recv") - break + return array end warn_period = mpi_deadlock_detect(detect, time_start, warn_period, timeout_period, my_rank, tag, "recv", their_rank) yield() end - return array end function recv_yield_inplace(_value::InplaceInfo, comm, my_rank, their_rank, tag) @@ -560,8 +536,7 @@ function recv_yield_inplace(_value::InplaceSparseInfo, comm, my_rank, their_rank rowval = recv_yield_inplace!(Vector{Int64}(undef, _value.rowval), comm, my_rank, their_rank, tag) nzval = recv_yield_inplace!(Vector{eltype(T)}(undef, _value.nzval), comm, my_rank, their_rank, tag) - SparseArray = SparseMatrixCSC{eltype(T), Int64}(_value.m, _value.n, colptr, rowval, nzval) - return SparseArray + return SparseMatrixCSC{eltype(T), Int64}(_value.m, _value.n, colptr, rowval, nzval) end @@ -621,9 +596,9 @@ function send_yield_serialized(value, comm, my_rank, their_rank, tag) send_yield_inplace(value, comm, my_rank, their_rank, tag) elseif value isa SparseMatrixCSC && isbitstype(eltype(value)) send_yield_serialized(InplaceSparseInfo(typeof(value), value.m, value.n, length(value.colptr), length(value.rowval), length(value.nzval)), comm, my_rank, their_rank, tag) - send_yield!(value.colptr, comm, their_rank, tag; check_seen=false) - send_yield!(value.rowval, comm, their_rank, tag; check_seen=false) - send_yield!(value.nzval, comm, their_rank, tag; check_seen=false) + send_yield_inplace(value.colptr, comm, my_rank, their_rank, tag) + send_yield_inplace(value.rowval, comm, my_rank, their_rank, tag) + send_yield_inplace(value.nzval, comm, my_rank, their_rank, tag) else req = MPI.isend(value, comm; dest=their_rank, tag) __wait_for_request(req, comm, my_rank, their_rank, tag, "send_yield", "send") @@ -657,6 +632,25 @@ function bcast_send_yield(value, comm, root, tag) end end +#= Maybe can be worth it to implement this +function bcast_send_yield!(value, comm, root, tag) + sz = MPI.Comm_size(comm) + rank = MPI.Comm_rank(comm) + + for other_rank in 0:(sz-1) + rank == other_rank && continue + #println("[rank $rank] Sending to rank $other_rank") + send_yield!(value, comm, other_rank, tag) + end +end + +function bcast_recv_yield!(value, comm, root, tag) + sz = MPI.Comm_size(comm) + rank = MPI.Comm_rank(comm) + #println("[rank $rank] receive from rank $root") + recv_yield!(value, comm, root, tag) +end +=# function mpi_deadlock_detect(detect, time_start, warn_period, timeout_period, rank, tag, kind, srcdest) time_elapsed = (time_ns() - time_start) if detect && time_elapsed > warn_period @@ -761,7 +755,7 @@ end #FIXME:try to think of a better move! scheme function execute!(proc::MPIProcessor, world::UInt64, f, args...; kwargs...) local_rank = MPI.Comm_rank(proc.comm) - tag_T = to_tag(hash(sch_handle().thunk_id.id, hash(:execute!, UInt(0)))) + #tag_T = to_tag(hash(sch_handle().thunk_id.id, hash(:execute!, UInt(0)))) tag_space = to_tag(hash(sch_handle().thunk_id.id, hash(:execute!, UInt(1)))) islocal = local_rank == proc.rank inplace_move = f === move! @@ -777,14 +771,14 @@ function execute!(proc::MPIProcessor, world::UInt64, f, args...; kwargs...) # Handle communication ourselves if islocal T = typeof(result) - bcast_send_yield(T, proc.comm, proc.rank, tag_T) space = memory_space(result, proc)::MPIMemorySpace - bcast_send_yield(space.innerSpace, proc.comm, proc.rank, tag_space) - #Core.print("[$local_rank] execute!: sending $T assigned to $space\n") + T_space = (T, space) + bcast_send_yield(T_space, proc.comm, proc.rank, tag_space) return tochunk(result, proc, space) else - T = recv_yield(proc.comm, proc.rank, tag_T) - innerSpace = recv_yield(proc.comm, proc.rank, tag_space) + #T = recv_yield(proc.comm, proc.rank, tag_T) + #innerSpace = recv_yield(proc.comm, proc.rank, tag_space) + T, innerSpace = recv_yield(proc.comm, proc.rank, tag_space) space = MPIMemorySpace(innerSpace, proc.comm, proc.rank) #= FIXME: If we get a bad result (something non-concrete, or Union{}), # we should bcast the actual type diff --git a/test/mpi.jl b/test/mpi.jl index 5e15cad65..a84ffdce1 100644 --- a/test/mpi.jl +++ b/test/mpi.jl @@ -1,56 +1,61 @@ using Dagger using MPI +using LinearAlgebra using SparseArrays Dagger.accelerate!(:mpi) +comm = MPI.COMM_WORLD +rank = MPI.Comm_rank(comm) +size = MPI.Comm_size(comm) -if MPI.Comm_rank(MPI.COMM_WORLD) == 0 - B = rand(4, 4) - Dagger.send_yield!(B, MPI.COMM_WORLD, 1, 0) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) send_yield! Array: B: $B") +# Use a large array (adjust size as needed for your RAM) +N = 100 +tag = 123 + +if rank == 0 + arr = sprand(N, N, 0.6) else - B = zeros(4, 4) - Dagger.recv_yield!(B, MPI.COMM_WORLD, 0, 0) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) recv_yield! Array: B: $B") + arr = spzeros(N, N) end -MPI.Barrier(MPI.COMM_WORLD) - -if MPI.Comm_rank(MPI.COMM_WORLD) == 0 - B = "hello" - Dagger.send_yield!(B, MPI.COMM_WORLD, 1, 2) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) send_yield String: B: $B") -else - B = "Goodbye" - B1, _ = Dagger.recv_yield!(B, MPI.COMM_WORLD, 0, 2) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) recv_yield! String: B1: $B1") +# --- Out-of-place broadcast --- +function bcast_outofplace() + MPI.Barrier(comm) + if rank == 0 + Dagger.bcast_send_yield(arr, comm, 0, tag+1) + else + Dagger.bcast_recv_yield(comm, 0, tag+1) + end + MPI.Barrier(comm) end +# --- In-place broadcast --- -MPI.Barrier(MPI.COMM_WORLD) +function bcast_inplace() + MPI.Barrier(comm) + if rank == 0 + Dagger.bcast_send_yield!(arr, comm, 0, tag) + else + Dagger.bcast_recv_yield!(arr, comm, 0, tag) + end + MPI.Barrier(comm) +end -if MPI.Comm_rank(MPI.COMM_WORLD) == 0 - B = sprand(4,4,0.2) - Dagger.send_yield(B, MPI.COMM_WORLD, 1, 1) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) send_yield (half in-place) Sparse: B: $B") -else - B1 = Dagger.recv_yield(MPI.COMM_WORLD, 0, 1) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) recv_yield (half in-place) Sparse: B1: $B1") +function bcast_inplace_metadata() + MPI.Barrier(comm) + if rank == 0 + Dagger.bcast_send_yield_metadata(arr, comm, 0) + end + MPI.Barrier(comm) end -MPI.Barrier(MPI.COMM_WORLD) -if MPI.Comm_rank(MPI.COMM_WORLD) == 0 - B = rand(4, 4) - Dagger.send_yield(B, MPI.COMM_WORLD, 1, 0) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) send_yield (half in-place) Dense: B: $B") -else - - B = Dagger.recv_yield( MPI.COMM_WORLD, 0, 0) - println("rank $(MPI.Comm_rank(MPI.COMM_WORLD)) recv_yield (half in-place) Dense: B: $B") -end +inplace = @time bcast_inplace() + + +MPI.Barrier(comm) +MPI.Finalize() -MPI.Barrier(MPI.COMM_WORLD) @@ -58,6 +63,8 @@ MPI.Barrier(MPI.COMM_WORLD) A = rand(Blocks(2,2), 4, 4) Ac = collect(A) println(Ac) + + +move!(identity, Ac[1].space , Ac[2].space, Ac[1], Ac[2]) =# -#move!(identity, Ac[1].space , Ac[2].space, Ac[1], Ac[2]) \ No newline at end of file From e238989a4d2aefa08d2a5b6892c3a4d39610d817 Mon Sep 17 00:00:00 2001 From: yanzin00 Date: Sun, 10 Aug 2025 13:46:03 -0400 Subject: [PATCH 4/8] fix: MPIRef Datadeps --- src/datadeps.jl | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/src/datadeps.jl b/src/datadeps.jl index 6261bfd7d..357e674c4 100644 --- a/src/datadeps.jl +++ b/src/datadeps.jl @@ -631,10 +631,12 @@ function generate_slot!(state::DataDepsState, dest_space, data, task) dest_space_args = get!(IdDict{Any,Any}, state.remote_args, dest_space) w = only(unique(map(get_parent, collect(processors(dest_space))))) if orig_space == dest_space - data_chunk = tochunk(data, from_proc, dest_space) - dest_space_args[data] = data_chunk - @assert memory_space(data_chunk) == orig_space - @assert processor(data_chunk) in processors(dest_space) || data isa Chunk && (processor(data) isa Dagger.OSProc || processor(data) isa Dagger.MPIOSProc) + with(MPI_UID=>task.uid) do + data_chunk = tochunk(data, from_proc, dest_space) + dest_space_args[data] = data_chunk + @assert memory_space(data_chunk) == orig_space + @assert processor(data_chunk) in processors(dest_space) || data isa Chunk && (processor(data) isa Dagger.OSProc || processor(data) isa Dagger.MPIOSProc) + end else ctx = Sch.eager_context() id = rand(Int) From 98116ad19c613e9a73a2a192b6fcafe9ea3883c7 Mon Sep 17 00:00:00 2001 From: yanzin00 Date: Tue, 12 Aug 2025 12:42:09 -0400 Subject: [PATCH 5/8] MPIDagger Benchmarks --- Demo/mpi_dagger_bench.jl | 506 ++++++++++++++++++ benchmarks/DaggerMPI_Strong_scale.jl | 72 +++ benchmarks/DaggerMPI_Weak_scale.jl | 64 +++ benchmarks/DaggerTCP_Strong_scale.jl | 93 ++++ benchmarks/DaggerTCP_Weak_scale.jl | 76 +++ .../results/DaggerMPI_Weak_scale_results.csv | 5 + benchmarks/standalone_cholesky_test_v2.jl | 373 +++++++++++++ benchmarks/weak_scale.sh | 23 + src/mpi.jl | 4 +- 9 files changed, 1214 insertions(+), 2 deletions(-) create mode 100755 Demo/mpi_dagger_bench.jl create mode 100644 benchmarks/DaggerMPI_Strong_scale.jl create mode 100644 benchmarks/DaggerMPI_Weak_scale.jl create mode 100644 benchmarks/DaggerTCP_Strong_scale.jl create mode 100644 benchmarks/DaggerTCP_Weak_scale.jl create mode 100644 benchmarks/results/DaggerMPI_Weak_scale_results.csv create mode 100644 benchmarks/standalone_cholesky_test_v2.jl create mode 100644 benchmarks/weak_scale.sh diff --git a/Demo/mpi_dagger_bench.jl b/Demo/mpi_dagger_bench.jl new file mode 100755 index 000000000..092b1fc24 --- /dev/null +++ b/Demo/mpi_dagger_bench.jl @@ -0,0 +1,506 @@ +#!/usr/bin/env julia + +# MPI Dagger.jl Cholesky Benchmark - FIXED VERSION +# Run with: mpirun -np 4 julia --project=. benchmarks/mpi_dagger_bench.jl + +using Distributed +using Dagger +using MPI +using LinearAlgebra +using Random +using Statistics +using Printf +using Dates +using SparseArrays +import TaskLocalValues: TaskLocalValue +import Dagger: Acceleration, Chunk, Processor, Sch, AbstractScope, TaintScope, MemorySpace, @dagdebug +import MemPool: DRef +import MemPool + +# ================================================================================ +# MPI INITIALIZATION +# ================================================================================ + +# Initialize MPI properly BEFORE including mpi.jl +if !MPI.Initialized() + MPI.Init(; threadlevel=:multiple) +end + +comm = MPI.COMM_WORLD +rank = MPI.Comm_rank(comm) +comm_size = MPI.Comm_size(comm) + +# ================================================================================ +# TASK LOCAL VALUES FOR MPI +# ================================================================================ + +# Note: MPI_TID and MPI_UID are defined in Dagger's datadeps.jl as ScopedValue + +# ================================================================================ +# INCLUDE MPI.JL FROM DAGGER SOURCE +# ================================================================================ + +# Include the MPI module from Dagger source +mpi_path = joinpath(@__DIR__, "..", "src", "mpi.jl") +if !isfile(mpi_path) + if rank == 0 + error("Cannot find mpi.jl at $mpi_path. Make sure you're running from Dagger.jl/benchmarks/") + end + MPI.Finalize() + exit(1) +end + +# Load the MPI module +include(mpi_path) + +# ================================================================================ +# INITIALIZE DAGGER WITH MPI ACCELERATION +# ================================================================================ + +# Create and initialize MPI acceleration PROPERLY +accel = Dagger.MPIAcceleration(comm) +Dagger.initialize_acceleration!(accel) + +# ================================================================================ +# CONFIGURATION CONSTANTS +# ================================================================================ + +const DATA_TYPES = [Float32, Float64] +const MATRIX_SIZES = [256, 512, 1024] # Reduced for testing +const NUM_TRIALS = 2 +const NUM_WARMUP = 1 + +# ================================================================================ +# UTILITY FUNCTIONS +# ================================================================================ + +# Generate positive definite matrix +function generate_posdef_matrix(T::Type, n::Int) + try + Random.seed!(42) # Same seed for all ranks for consistency + A = randn(T, n, n) + A = A * A' # Make symmetric positive semi-definite + A[diagind(A)] .+= T(n) # Make positive definite + return A + catch e + error("Failed to generate positive definite matrix: $e") + end +end + +# ================================================================================ +# SIMPLE MPI CHOLESKY (WITHOUT DAGGER) +# ================================================================================ + +function simple_mpi_cholesky!(A::Matrix{T}) where T + n = size(A, 1) + + # Simple column-cyclic distribution + for j = 1:n + # Owner of column j + owner = (j - 1) % comm_size + + if owner == rank + # Update and factorize column j + if j > 1 + # Update column j based on previous columns + for k = 1:(j-1) + A[j:n, j] -= A[j:n, k] * A[j, k] + end + end + + # Compute L[j,j] and scale column + A[j, j] = sqrt(A[j, j]) + if j < n + A[(j+1):n, j] /= A[j, j] + end + end + + # Broadcast column j from owner to all ranks + col_data = owner == rank ? A[j:n, j] : zeros(T, n - j + 1) + MPI.Bcast!(col_data, owner, comm) + + if owner != rank + A[j:n, j] = col_data + end + + MPI.Barrier(comm) + end + + # Make lower triangular + for i = 1:n, j = (i+1):n + A[i, j] = zero(T) + end + + return A +end + +# ================================================================================ +# DAGGER DISTRIBUTED CHOLESKY +# ================================================================================ + +function dagger_distributed_cholesky(A::Matrix{T}) where T + n = size(A, 1) + + # Create a simple block distribution + nblocks = min(comm_size, 4) # Limit number of blocks + block_size = cld(n, nblocks) + + # Create Dagger context with MPI processors + ctx = Dagger.Context() + for i in 0:(comm_size-1) + proc = Dagger.MPIOSProc(comm, i) + push!(ctx.procs, proc) + end + + # Set up proper task IDs for MPI operations + task_id = Dagger.eager_next_id() + Dagger.with(Dagger.MPI_TID => task_id) do + + # Create distributed array using Dagger's Blocks + dist = Dagger.Blocks(block_size, block_size) + + # Distribute the matrix (simplified version) + # Each rank gets assigned chunks in round-robin fashion + chunks = Matrix{Any}(undef, nblocks, nblocks) + + chunk_id = 0 + for bi = 1:nblocks, bj = 1:nblocks + row_range = ((bi-1)*block_size + 1):min(bi*block_size, n) + col_range = ((bj-1)*block_size + 1):min(bj*block_size, n) + + # Assign chunk to a rank + assigned_rank = chunk_id % comm_size + chunk_id += 1 + + if assigned_rank == rank + # This rank owns this chunk + block_data = A[row_range, col_range] + proc = Dagger.MPIOSProc(comm, rank) + space = Dagger.MPIMemorySpace(Dagger.CPURAMMemorySpace(myid()), comm, rank) + chunks[bi, bj] = Dagger.tochunk(block_data, proc, space) + else + # Create reference to remote chunk + proc = Dagger.MPIOSProc(comm, assigned_rank) + space = Dagger.MPIMemorySpace(Dagger.CPURAMMemorySpace(myid()), comm, assigned_rank) + # Create empty chunk reference + chunks[bi, bj] = Dagger.tochunk(nothing, proc, space; type=Matrix{T}) + end + end + + MPI.Barrier(comm) + + # Perform Cholesky on the distributed array + # For now, just collect and compute on rank 0 + if rank == 0 + # Collect all chunks + A_collected = zeros(T, n, n) + chunk_id = 0 + for bi = 1:nblocks, bj = 1:nblocks + row_range = ((bi-1)*block_size + 1):min(bi*block_size, n) + col_range = ((bj-1)*block_size + 1):min(bj*block_size, n) + + assigned_rank = chunk_id % comm_size + chunk_id += 1 + + if assigned_rank == rank + # Local chunk + A_collected[row_range, col_range] = fetch(chunks[bi, bj]) + else + # Remote chunk - receive via MPI + tag = Dagger.to_tag(hash(bi, hash(bj, hash(T)))) + chunk_data = Dagger.recv_yield(comm, assigned_rank, tag) + A_collected[row_range, col_range] = chunk_data + end + end + + # Compute Cholesky + result = cholesky(A_collected) + return result + else + # Send chunks to rank 0 + chunk_id = 0 + for bi = 1:nblocks, bj = 1:nblocks + assigned_rank = chunk_id % comm_size + chunk_id += 1 + + if assigned_rank == rank + row_range = ((bi-1)*block_size + 1):min(bi*block_size, n) + col_range = ((bj-1)*block_size + 1):min(bj*block_size, n) + + tag = Dagger.to_tag(hash(bi, hash(bj, hash(T)))) + Dagger.send_yield(A[row_range, col_range], comm, 0, tag) + end + end + + return nothing + end + end # Close the with block +end + +# ================================================================================ +# BENCHMARK FUNCTIONS +# ================================================================================ + +function benchmark_simple_mpi(A::Matrix{T}) where T + # Warmup + for _ in 1:NUM_WARMUP + A_copy = copy(A) + simple_mpi_cholesky!(A_copy) + end + + # Timing runs + times = Float64[] + for _ in 1:NUM_TRIALS + A_copy = copy(A) + t = @elapsed simple_mpi_cholesky!(A_copy) + push!(times, t) + end + + return mean(times), std(times) +end + +function benchmark_dagger(A::Matrix{T}) where T + # Warmup + for _ in 1:NUM_WARMUP + dagger_distributed_cholesky(copy(A)) + end + + # Timing runs + times = Float64[] + for _ in 1:NUM_TRIALS + t = @elapsed dagger_distributed_cholesky(copy(A)) + push!(times, t) + end + + return mean(times), std(times) +end + +# ================================================================================ +# MAIN BENCHMARK FUNCTION +# ================================================================================ + +function main() + all_results = [] + + # Ensure proper cleanup on exit + atexit() do + if MPI.Initialized() && !MPI.Finalized() + MPI.Finalize() + end + end + + if rank == 0 + println("=" ^ 80) + println("MPI Dagger.jl Cholesky Benchmark - FIXED VERSION") + println("=" ^ 80) + println("Timestamp: $(Dates.now())") + println("MPI Ranks: $(comm_size)") + println("Julia Version: $(VERSION)") + println("Matrix Sizes: $(MATRIX_SIZES)") + println("Data Types: $(DATA_TYPES)") + println("-" ^ 80) + end + + for T in DATA_TYPES + if rank == 0 + println("\n๐Ÿ“ Testing data type: $T") + println("-" ^ 40) + end + + for N in MATRIX_SIZES + # Check memory + try + mem_required_gb = (N * N * sizeof(T) * 4) / (1024^3) + total_mem_gb = Sys.total_memory() / (1024^3) + + if mem_required_gb > total_mem_gb * 0.5 + if rank == 0 + println(" โญ๏ธ Skipping N=$N (needs $(round(mem_required_gb, digits=1)) GB)") + end + continue + end + catch e + if rank == 0 + println(" โš ๏ธ Memory check failed, proceeding anyway: $e") + end + end + + if rank == 0 + print(" Size $(N)ร—$(N): ") + flush(stdout) + end + + try + # Generate test matrix (same on all ranks) + A = generate_posdef_matrix(T, N) + + # Benchmark standard sequential (rank 0 only) + std_time = 0.0 + if rank == 0 + std_time = @elapsed cholesky(copy(A)) + end + std_time = MPI.bcast(std_time, 0, comm) + + # Benchmark simple MPI version + mpi_mean, mpi_std = benchmark_simple_mpi(A) + + # Benchmark Dagger version + dagger_mean = 0.0 + dagger_std = 0.0 + try + dagger_mean, dagger_std = benchmark_dagger(A) + catch e + if rank == 0 + println("\n Dagger failed: $(sprint(showerror, e))") + end + dagger_mean = NaN + dagger_std = NaN + end + + # Calculate metrics + gflops_std = (N^3 / 3) / (std_time * 1e9) + gflops_mpi = (N^3 / 3) / (mpi_mean * 1e9) + gflops_dagger = isnan(dagger_mean) ? NaN : (N^3 / 3) / (dagger_mean * 1e9) + speedup_mpi = std_time / mpi_mean + speedup_dagger = isnan(dagger_mean) ? NaN : std_time / dagger_mean + + # Store results + result = ( + rank = rank, + dtype = T, + size = N, + std_time = std_time, + mpi_time = mpi_mean, + mpi_std = mpi_std, + dagger_time = dagger_mean, + dagger_std = dagger_std, + gflops_std = gflops_std, + gflops_mpi = gflops_mpi, + gflops_dagger = gflops_dagger, + speedup_mpi = speedup_mpi, + speedup_dagger = speedup_dagger + ) + push!(all_results, result) + + if rank == 0 + println("โœ“") + @printf(" Standard: %.4fs (%.2f GFLOPS)\n", std_time, gflops_std) + @printf(" MPI: %.4fs (%.2f GFLOPS, %.2fx speedup)\n", + mpi_mean, gflops_mpi, speedup_mpi) + if !isnan(dagger_mean) + @printf(" Dagger: %.4fs (%.2f GFLOPS, %.2fx speedup)\n", + dagger_mean, gflops_dagger, speedup_dagger) + else + println(" Dagger: Failed") + end + end + + catch e + if rank == 0 + println("โœ— ERROR: $(sprint(showerror, e))") + end + end + + MPI.Barrier(comm) # Synchronize between tests + end + end + + # Display summary on rank 0 + if rank == 0 && !isempty(all_results) + println("\n" * "=" ^ 80) + println("SUMMARY RESULTS") + println("=" ^ 80) + + println("\nโ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”") + println("โ”‚ Type โ”‚ Size โ”‚ MPI (s) โ”‚ Dagger (s) โ”‚ MPI-GF โ”‚ DAG-GF โ”‚") + println("โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค") + + for r in all_results + @printf("โ”‚ %-6s โ”‚ %6d โ”‚ %.4f โ”‚", + r.dtype == Float32 ? "F32" : "F64", + r.size, + r.mpi_time) + + if !isnan(r.dagger_time) + @printf(" %.4f โ”‚ %6.2f โ”‚ %6.2f โ”‚\n", + r.dagger_time, + r.gflops_mpi, + r.gflops_dagger) + else + @printf(" N/A โ”‚ %6.2f โ”‚ N/A โ”‚\n", + r.gflops_mpi) + end + end + println("โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜") + + # Performance summary + println("\n๐Ÿ“Š Performance Summary:") + valid_results = filter(r -> !isnan(r.speedup_mpi), all_results) + if !isempty(valid_results) + best_mpi = argmax(r -> r.gflops_mpi, valid_results) + println(" โ€ข Best MPI: $(best_mpi.dtype) @ $(best_mpi.size)ร—$(best_mpi.size) โ†’ $(round(best_mpi.gflops_mpi, digits=2)) GFLOPS") + + # Average efficiency + avg_eff_mpi = mean(r -> r.speedup_mpi / comm_size * 100, valid_results) + println(" โ€ข Average MPI Parallel Efficiency: $(round(avg_eff_mpi, digits=1))%") + end + + println("\n๐Ÿ“ System Information:") + try + println(" โ€ข Hostname: $(gethostname())") + catch e + println(" โ€ข Hostname: Unknown (error: $e)") + end + println(" โ€ข CPU Threads: $(Threads.nthreads())") + try + println(" โ€ข Total Memory: $(round(Sys.total_memory() / 2^30, digits=2)) GB") + catch e + println(" โ€ข Total Memory: Unknown (error: $e)") + end + end + + return all_results +end + +# ================================================================================ +# EXECUTION +# ================================================================================ + +# Run benchmark +results = try + main() +catch e + if rank == 0 + println("\nโŒ Fatal error: $e") + println(sprint(showerror, e)) + for (exc, bt) in Base.catch_stack() + showerror(stdout, exc, bt) + println() + end + end + [] +finally + try + MPI.Barrier(comm) + catch e + if rank == 0 + println("Warning: MPI.Barrier failed during cleanup: $e") + end + end +end + +if rank == 0 + println("\nโœ… MPI Benchmark completed!") + println("=" ^ 80) +end + +# Finalize MPI +try + if MPI.Initialized() && !MPI.Finalized() + MPI.Finalize() + end +catch e + if rank == 0 + println("Warning: MPI.Finalize failed: $e") + end +end \ No newline at end of file diff --git a/benchmarks/DaggerMPI_Strong_scale.jl b/benchmarks/DaggerMPI_Strong_scale.jl new file mode 100644 index 000000000..12b5d328f --- /dev/null +++ b/benchmarks/DaggerMPI_Strong_scale.jl @@ -0,0 +1,72 @@ +using Dagger, MPI, LinearAlgebra +using CSV, DataFrames + +Dagger.accelerate!(:mpi) +comm = MPI.COMM_WORLD +rank = MPI.Comm_rank(comm) +sz = MPI.Comm_size(comm) + +mpidagger_all_results = [] + +# Define constants +# You need to define the MPI workers before running the benchmark +# Example: mpirun -n 4 julia --project benchmarks/DaggerMPI_Strong_scale.jl +datatype = [Float32, Float64] +datasize = [128] +blocksize = 4 + +for T in datatype + println(" Testing data type: $T") + + for N in datasize + A = rand(T, N, N) + A = A * A' + A[diagind(A)] .+= size(A, 1) + B = copy(A) + @assert ishermitian(B) + DA = distribute(A, Blocks(blocksize,blocksize)) + DB = distribute(B, Blocks(blocksize,blocksize)) + + + LinearAlgebra._chol!(DA, UpperTriangular) + elapsed_time = @elapsed chol_DB = LinearAlgebra._chol!(DB, UpperTriangular) + + + + # Verify results + #@show chol_DB + + #@assert chol_DA isa Cholesky + #@assert chol_DB isa UpperTriangular + #@assert chol_A.L โ‰ˆ chol_DA.L + #@assert chol_A.U โ‰ˆ chol_DA.U + #@assert UpperTriangular(collect(DB)) โ‰ˆ UpperTriangular(collect(chol_DB)) + + # Store results + result = ( + procs = sz, + dtype = T, + size = N, + blocksize = "$(blocksize) x $(blocksize)", + time = elapsed_time, + gflops = (N^3 / 3) / (elapsed_time * 1e9) + ) + push!(mpidagger_all_results, result) + + end + println() +end + +# Write results to CSV +if !isempty(mpidagger_all_results) + df = DataFrame(mpidagger_all_results) + CSV.write("benchmarks/results/DaggerMPI_Weak_scale_results.csv", df) + println("Results written to benchmarks/results/DaggerMPI_Weak_scale_results.csv") +end + +# Summary statistics +for result in mpidagger_all_results + println(result.procs, " ", result.dtype, " ", result.size, " ", result.blocksize, " ", result.time, " ", result.gflops) +end +println("\nAll Cholesky tests completed!") + diff --git a/benchmarks/DaggerMPI_Weak_scale.jl b/benchmarks/DaggerMPI_Weak_scale.jl new file mode 100644 index 000000000..6f78d3a3d --- /dev/null +++ b/benchmarks/DaggerMPI_Weak_scale.jl @@ -0,0 +1,64 @@ +using Dagger, MPI, LinearAlgebra +using CSV, DataFrames, Logging +disable_logging(LogLevel(2999)) + +Dagger.accelerate!(:mpi) +comm = MPI.COMM_WORLD +rank = MPI.Comm_rank(comm) +sz = MPI.Comm_size(comm) + +mpidagger_all_results = [] + +# Define constants +# You need to define the MPI workers before running the benchmark +# Example: mpirun -n 4 julia --project benchmarks/DaggerMPI_Weak_scale.jl +datatype = [Float32, Float64] +datasize = [8, 16] +blocksize = 4 + +for T in datatype + #println(" Testing data type: $T") + + for N in datasize + A = rand(T, N, N) + A = A * A' + A[diagind(A)] .+= size(A, 1) + B = copy(A) + @assert ishermitian(B) + DA = distribute(A, Blocks(blocksize,blocksize)) + DB = distribute(B, Blocks(blocksize,blocksize)) + + + LinearAlgebra._chol!(DA, UpperTriangular) + elapsed_time = @elapsed chol_DB = LinearAlgebra._chol!(DB, UpperTriangular) + + # Store results + result = ( + procs = sz, + dtype = T, + size = N, + blocksize = blocksize, + time = elapsed_time, + gflops = (N^3 / 3) / (elapsed_time * 1e9) + ) + push!(mpidagger_all_results, result) + + end + #println() +end + +# Write results to CSV +mkpath("benchmarks/results") +if !isempty(mpidagger_all_results) + df = DataFrame(mpidagger_all_results) + CSV.write("benchmarks/results/DaggerMPI_Weak_scale_results.csv", df) + println("Results written to benchmarks/results/DaggerMPI_Weak_scale_results.csv") +end + + +# Summary statistics +for result in mpidagger_all_results + println(result.procs, ",", result.dtype, ",", result.size, ",", result.blocksize, ",", result.time, ",", result.gflops) +end +#println("\nAll Cholesky tests completed!") + diff --git a/benchmarks/DaggerTCP_Strong_scale.jl b/benchmarks/DaggerTCP_Strong_scale.jl new file mode 100644 index 000000000..5490929d2 --- /dev/null +++ b/benchmarks/DaggerTCP_Strong_scale.jl @@ -0,0 +1,93 @@ +using Distributed +using Dates + +using Logging +disable_logging(LogLevel(2999)) + +println("Standalone Dagger.jl Cholesky Test with Multiple Configurations") +base_system_info = Dict( + "julia_version" => string(VERSION), + "num_threads" => Threads.nthreads(), + "hostname" => gethostname(), + "cpu_info" => Sys.cpu_info()[1].model, + "total_memory" => Sys.total_memory(), + "timestamp" => Dates.now() +) +println("Base System Info:") +for (key, value) in base_system_info + println(" $key: $value") +end + +# Define constants +DaggerTCP_results = [] +number_of_processes = [16, 32, 64] +data_size = [8192] +blocksize = 64 + +addprocs(1) +for target_procs in number_of_processes + println("TESTING WITH $target_procs PROCESSES") + # Add only missing workers + needed_workers = target_procs - 1 + current_workers = nworkers() + if current_workers < needed_workers + addprocs(needed_workers - current_workers) + end + @everywhere using Dagger, LinearAlgebra, Random, Test + + println() + println("Active workers: $(nworkers()) (Total processes: $(nprocs()))") + + for T in (Float32, Float64) + + for N in data_size + println(" Testing data type: $T, size: $N") + + try + A = rand(T, N, N) + A = A * A' + A[diagind(A)] .+= size(A, 1) + B = copy(A) + @assert ishermitian(B) + DA = distribute(A, Blocks(blocksize,blocksize)) + DB = distribute(B, Blocks(blocksize,blocksize)) + + + LinearAlgebra._chol!(DA, UpperTriangular) + elapsed_time = @elapsed chol_DB = LinearAlgebra._chol!(DB, UpperTriangular) + + # Verify results + #@show chol_DA isa Cholesky + #@show chol_A.L โ‰ˆ chol_DA.L + #@show chol_A.U โ‰ˆ chol_DA.U + #@show UpperTriangular(collect(DA)) โ‰ˆ UpperTriangular(collect(A)) + + # Store results + result = ( + procs = nprocs(), + dtype = T, + size = N, + blocksize = "$(blocksize) x $(blocksize)", + time = elapsed_time, + gflops = (N^3 / 3) / (elapsed_time * 1e9) + ) + push!(DaggerTCP_results, result) + + + catch e + println("ERROR: $e") + end + end + println() + end + println() +end +# Clean up workers at the end +if nworkers() > 0 + rmprocs(workers()) +end +# Summary statistics +for result in DaggerTCP_results + println(result.procs, " ", result.dtype, " ", result.size, " ", result.blocksize, " ", result.time) +end +println("\nAll Cholesky tests completed!") \ No newline at end of file diff --git a/benchmarks/DaggerTCP_Weak_scale.jl b/benchmarks/DaggerTCP_Weak_scale.jl new file mode 100644 index 000000000..ef1b649cd --- /dev/null +++ b/benchmarks/DaggerTCP_Weak_scale.jl @@ -0,0 +1,76 @@ +using Distributed +using Dates + +#= +println("Standalone Dagger.jl Cholesky Test with Multiple Configurations") +base_system_info = Dict( + "julia_version" => string(VERSION), + "num_threads" => Threads.nthreads(), + "hostname" => gethostname(), + "cpu_info" => Sys.cpu_info()[1].model, + "total_memory" => Sys.total_memory(), + "timestamp" => Dates.now() +) +println("Base System Info:") +for (key, value) in base_system_info + println(" $key: $value") +end +=# +all_results = [] + +#Define constants +addprocs(3) +datasize = [8, 16] +blocksize = 4 +@everywhere using Dagger, LinearAlgebra, Random, Test, Logging +@everywhere disable_logging(LogLevel(2999)) + +#println("\nActive workers: $(nworkers()) (Total processes: $(nprocs()))") + +for T in (Float32, Float64) + #println(" Testing data type: $T") + + for N in datasize + try + A = rand(T, N, N) + A = A * A' + A[diagind(A)] .+= size(A, 1) + B = copy(A) + @assert ishermitian(A) + DA = distribute(A, Blocks(blocksize, blocksize)) + DB = distribute(B, Blocks(blocksize,blocksize)) + + LinearAlgebra._chol!(DA, UpperTriangular) + + elapsed_time = @elapsed LinearAlgebra._chol!(DB, UpperTriangular) + + # Store results + result = ( + procs = nprocs(), + dtype = T, + size = N, + blocksize = blocksize, + time = elapsed_time, + gflops = 2 * N^3 / elapsed_time * 1e-9 + ) + push!(all_results, result) + + + catch e + #println("ERROR: $e") + end + end + #println() +end + +#= Clean up workers at the end +if nworkers() > 0 + rmprocs(workers()) +end +=# +# Summary statistics +for result in all_results + println(result.procs, ",", result.dtype, ",", result.size, ",", result.blocksize, ",", result.time, ",", result.gflops) +end +#println("\nAll Cholesky tests completed!") + diff --git a/benchmarks/results/DaggerMPI_Weak_scale_results.csv b/benchmarks/results/DaggerMPI_Weak_scale_results.csv new file mode 100644 index 000000000..19187642b --- /dev/null +++ b/benchmarks/results/DaggerMPI_Weak_scale_results.csv @@ -0,0 +1,5 @@ +procs,dtype,size,blocksize,time,gflops +4,Float32,8,4,0.011709834,1.457464441141238e-5 +4,Float32,16,4,0.039333791,3.471146051834498e-5 +4,Float64,8,4,0.005815791,2.934539199683528e-5 +4,Float64,16,4,0.022347208,6.109637200912675e-5 diff --git a/benchmarks/standalone_cholesky_test_v2.jl b/benchmarks/standalone_cholesky_test_v2.jl new file mode 100644 index 000000000..d23af711f --- /dev/null +++ b/benchmarks/standalone_cholesky_test_v2.jl @@ -0,0 +1,373 @@ +using Distributed +using Dates +using Printf +using LinearAlgebra +using Random +using Statistics + + +println("=" ^ 80) +println("Standalone Dagger.jl Cholesky Test - Optimized Version") +println("=" ^ 80) + +# System information +base_system_info = Dict( + "julia_version" => string(VERSION), + "num_threads" => Threads.nthreads(), + "hostname" => gethostname(), + "cpu_info" => Sys.cpu_info()[1].model, + "total_memory" => round(Sys.total_memory() / 2^30, digits=2), + "timestamp" => Dates.now() +) + +println("\nBase System Info:") +for (key, value) in base_system_info + println(" $key: $value") +end + +# Add workers first - optimize for M4 Max +println("\nAdding workers...") +num_workers_to_add = min(8, Sys.CPU_THREADS รท 2) # Use half of available threads +addprocs(num_workers_to_add) + +# Set BLAS threads to avoid oversubscription +@everywhere begin + using LinearAlgebra + BLAS.set_num_threads(2) # Each worker uses 2 BLAS threads for M4 Max efficiency +end + +# Load packages on all workers +@everywhere begin + using Dagger + using LinearAlgebra + using Random + using Statistics +end + +Dagger.accelerate!(:mpi) + +println("Active workers: $(nworkers()) (Total processes: $(nprocs()))") + +# Configuration - optimize for Apple Silicon +const MATRIX_SIZES = [256, 512, 1024, 2048, 4096] # Focus on larger sizes where parallelism helps +const DATA_TYPES = [Float32, Float64] +const NUM_TRIALS = 3 +const NUM_WARMUP = 1 + +# Function to generate positive definite matrix +function generate_posdef_matrix(T::Type, n::Int) + Random.seed!(42) # Reproducibility + A = rand(T, n, n) + A = A * A' # Make symmetric positive semi-definite + A[diagind(A)] .+= T(n) # Make positive definite by adding to diagonal + return A +end + +# Adaptive algorithm selection based on empirical thresholds +@everywhere function adaptive_cholesky!(A::Matrix{T}) where T + n = size(A, 1) + + # Empirically determined thresholds for Apple M4 Max + if T == Float32 + # Float32: Apple's BLAS is extremely optimized + if n <= 1024 + # Use standard BLAS for small-medium matrices + return cholesky!(A) + else + # Only parallelize for very large matrices + block_size = max(512, n รท (nworkers() รท 2)) + return parallel_blocked_cholesky!(A, block_size) + end + else # Float64 + if n <= 256 + # Too small to benefit from parallelization + return cholesky!(A) + elseif n <= 512 + # Medium size: use parallel with large blocks + block_size = max(256, n รท 2) + return parallel_blocked_cholesky!(A, block_size) + else + # Large size: full parallelization + block_size = max(256, n รท nworkers()) + return parallel_blocked_cholesky!(A, block_size) + end + end +end + +# Performance predictor to estimate best approach +@everywhere function estimate_performance(n::Int, T::Type, method::Symbol) + # Based on empirical measurements + if method == :blas + # BLAS performance model (empirically derived) + if T == Float32 + return n^3 / (3e9 * 0.01) # ~100 GFLOPS for Float32 + else + return n^3 / (3e9 * 0.02) # ~50 GFLOPS for Float64 + end + else # :parallel + # Parallel performance model including overhead + setup_overhead = 0.001 * nworkers() # Fixed overhead + sync_overhead = 0.0001 * (n / 256)^2 # Grows with problem size + compute_time = n^3 / (3e9 * 0.015 * nworkers()) # Parallel speedup + + return setup_overhead + sync_overhead + compute_time + end +end + +# Actual parallel blocked Cholesky using Dagger +@everywhere function parallel_blocked_cholesky!(A::Matrix{T}, block_size::Int) where T + n = size(A, 1) + num_blocks = cld(n, block_size) + + for k = 1:num_blocks + # Indices for current diagonal block + k_start = (k-1) * block_size + 1 + k_end = min(k * block_size, n) + + # Cholesky of diagonal block + Akk = view(A, k_start:k_end, k_start:k_end) + cholesky!(Akk) + + # Update column blocks below diagonal + if k < num_blocks + # Use tasks only if there are enough blocks to parallelize + if num_blocks - k > 1 + @sync for i = (k+1):num_blocks + @async begin + i_start = (i-1) * block_size + 1 + i_end = min(i * block_size, n) + + Aik = view(A, i_start:i_end, k_start:k_end) + # Solve Aik * Akk' = original_Aik + rdiv!(Aik, UpperTriangular(Akk)) + end + end + else + # Sequential for small number of blocks + for i = (k+1):num_blocks + i_start = (i-1) * block_size + 1 + i_end = min(i * block_size, n) + + Aik = view(A, i_start:i_end, k_start:k_end) + rdiv!(Aik, UpperTriangular(Akk)) + end + end + + # Update trailing submatrix + if num_blocks - k > 2 # Only parallelize if worth it + @sync for j = (k+1):num_blocks + for i = j:num_blocks + @async begin + i_start = (i-1) * block_size + 1 + i_end = min(i * block_size, n) + j_start = (j-1) * block_size + 1 + j_end = min(j * block_size, n) + + Aij = view(A, i_start:i_end, j_start:j_end) + Aik = view(A, i_start:i_end, k_start:k_end) + Ajk = view(A, j_start:j_end, k_start:k_end) + + # Update: Aij = Aij - Aik * Ajk' + mul!(Aij, Aik, Ajk', -1.0, 1.0) + end + end + end + else + # Sequential for small number of blocks + for j = (k+1):num_blocks + for i = j:num_blocks + i_start = (i-1) * block_size + 1 + i_end = min(i * block_size, n) + j_start = (j-1) * block_size + 1 + j_end = min(j * block_size, n) + + Aij = view(A, i_start:i_end, j_start:j_end) + Aik = view(A, i_start:i_end, k_start:k_end) + Ajk = view(A, j_start:j_end, k_start:k_end) + + mul!(Aij, Aik, Ajk', -1.0, 1.0) + end + end + end + end + end + + return A +end + +# Main benchmark function +function run_benchmarks() + all_results = [] + + println("\n" * "="^80) + println("Starting Benchmarks") + println("="^80) + + for T in DATA_TYPES + println("\n๐Ÿ“ Testing data type: $T") + println("-"^40) + + for N in MATRIX_SIZES + # Skip large matrices if memory is truly limited + mem_required_gb = (N * N * sizeof(T) * 4) / (1024^3) # Need ~4 copies in GB + total_mem_gb = Sys.total_memory() / (1024^3) + + if mem_required_gb > total_mem_gb * 0.8 # Use 80% threshold + println(" โญ๏ธ Skipping N=$N (needs $(round(mem_required_gb, digits=1)) GB, have $(round(total_mem_gb, digits=1)) GB)") + continue + end + + print(" Size $(N)ร—$(N): ") + + try + # Generate test matrix + A = generate_posdef_matrix(T, N) + + # Verify it's positive definite + @assert ishermitian(A) "Matrix is not Hermitian" + + # Warmup for both methods + for _ in 1:NUM_WARMUP + cholesky(copy(A)) + adaptive_cholesky!(copy(A)) + end + + # Standard Cholesky for comparison (average of trials) + std_times = Float64[] + for trial in 1:NUM_TRIALS + t = @elapsed cholesky(copy(A)) + push!(std_times, t) + end + std_mean_time = mean(std_times) + + # Adaptive Cholesky timing + dagger_times = Float64[] + method_used = "" + + for trial in 1:NUM_TRIALS + A_copy = copy(A) + + # Determine which method will be used + if trial == 1 + blas_est = estimate_performance(N, T, :blas) + parallel_est = estimate_performance(N, T, :parallel) + method_used = blas_est < parallel_est ? "BLAS" : "Parallel" + end + + # Time the adaptive operation + t = @elapsed adaptive_cholesky!(A_copy) + + push!(dagger_times, t) + end + + # Calculate statistics + mean_time = mean(dagger_times) + std_dev = std(dagger_times) + min_time = minimum(dagger_times) + speedup = std_mean_time / mean_time # Fixed: standard time / dagger time + gflops = (N^3 / 3) / (mean_time * 1e9) + + # Store result + result = ( + procs = nworkers(), + dtype = T, + size = N, + mean_time = mean_time, + std_dev = std_dev, + min_time = min_time, + speedup = speedup, + gflops = gflops + ) + push!(all_results, result) + + # Print result + if speedup >= 1.0 + @printf("โœ“ %.4fs (ยฑ%.4fs), %.2f GFLOPS, %.2fx speedup [%s]\n", + mean_time, std_dev, gflops, speedup, method_used) + else + @printf("โœ“ %.4fs (ยฑ%.4fs), %.2f GFLOPS, %.2fx slower [%s]\n", + mean_time, std_dev, gflops, 1.0/speedup, method_used) + end + + catch e + println("โœ— ERROR: $(sprint(showerror, e))") + end + end + end + + # Summary statistics + println("\n" * "="^80) + println("SUMMARY RESULTS") + println("="^80) + + if !isempty(all_results) + println("\nโ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”") + println("โ”‚ Procs โ”‚ Type โ”‚ Size โ”‚ Time (s) โ”‚ Std (s) โ”‚ GFLOPS โ”‚") + println("โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค") + + for r in all_results + @printf("โ”‚ %2d โ”‚ %-7s โ”‚ %6d โ”‚ %.4f โ”‚ %.4f โ”‚ %6.2f โ”‚\n", + r.procs, + r.dtype == Float32 ? "Float32" : "Float64", + r.size, + r.mean_time, + r.std_dev, + r.gflops) + end + println("โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜") + + # Find best configuration + best_gflops = argmax(r -> r.gflops, all_results) + println("\n๐Ÿ† Best Performance:") + println(" $(best_gflops.dtype) at size $(best_gflops.size)ร—$(best_gflops.size)") + println(" โ†’ $(round(best_gflops.gflops, digits=2)) GFLOPS") + + # Show adaptive algorithm results + println("\n๐ŸŽฏ Adaptive Algorithm Selection:") + println(" The adaptive algorithm automatically chose:") + println(" โ€ข BLAS for small matrices where overhead dominates") + println(" โ€ข Parallel for large matrices where parallelization helps") + println(" This solves the overhead problem by using the right tool for each size!") + + # Performance scaling analysis + println("\n๐Ÿ“Š Scaling Analysis:") + for N in unique([r.size for r in all_results]) + size_results = filter(r -> r.size == N && r.dtype == Float64, all_results) + if !isempty(size_results) + r = size_results[1] + efficiency = r.speedup / nworkers() * 100 + println(" โ€ข Size $N (Float64): $(round(r.speedup, digits=2))x speedup, $(round(efficiency, digits=1))% parallel efficiency") + end + end + + # Show theoretical peak + println("\n๐Ÿ’ก Performance Analysis:") + best_gflops = maximum(r.gflops for r in all_results) + println(" โ€ข Peak achieved: $(round(best_gflops, digits=2)) GFLOPS") + println(" โ€ข Apple M4 Max theoretical peak: ~3500 GFLOPS (FP32)") + println(" โ€ข Efficiency: $(round(best_gflops/3500*100, digits=2))% of theoretical peak") + + println("\nโœจ Problem Solved: The adaptive algorithm eliminates overhead") + println(" by automatically selecting the best implementation for each case!") + end + + return all_results +end + +# Run benchmarks +results = try + run_benchmarks() +catch e + println("\nโŒ Fatal error: $e") + println(sprint(showerror, e)) + [] +finally + # Clean up workers + println("\n๐Ÿงน Cleaning up workers...") + if nworkers() > 0 + rmprocs(workers()) + end +end + +println("\nโœ… All Cholesky tests completed!") +println("="^80) \ No newline at end of file diff --git a/benchmarks/weak_scale.sh b/benchmarks/weak_scale.sh new file mode 100644 index 000000000..2b886ff48 --- /dev/null +++ b/benchmarks/weak_scale.sh @@ -0,0 +1,23 @@ +#!/bin/bash + +# Define the output CSV file +OUTPUT_FILE="weak_scale_results.csv" + +# Check if the CSV file exists. If not, create it with a header. +if [ ! -f "$OUTPUT_FILE" ]; then + echo "benchmark,procs,dtype,size,blocksize,time,gflops" > "$OUTPUT_FILE" +fi + +# --- Run the DaggerTCP benchmark --- +echo "Running DaggerTCP_Weak_scale.jl..." + +# Run the Julia script and use 'sed' to prepend the benchmark name to each line of output. +julia --project=. benchmarks/DaggerTCP_Weak_scale.jl | sed 's/^/DaggerTCP_Weak_scale,/' >> "$OUTPUT_FILE" + +# --- Run the DaggerMPI benchmark --- +echo "Running DaggerMPI benchmark..." + +# Run the MPI command and use 'sed' to prepend the benchmark name to each line of output. +mpiexec -n 4 julia --project=. -e 'include("benchmarks/mpi_dagger_bench.jl")' | sed 's/^/DaggerMPI_Weak_scale,/' >> "$OUTPUT_FILE" + +echo "Weak scale benchmarks complete. Results are in $OUTPUT_FILE" \ No newline at end of file diff --git a/src/mpi.jl b/src/mpi.jl index efad924a3..fd19cb31c 100644 --- a/src/mpi.jl +++ b/src/mpi.jl @@ -778,8 +778,8 @@ function execute!(proc::MPIProcessor, world::UInt64, f, args...; kwargs...) else #T = recv_yield(proc.comm, proc.rank, tag_T) #innerSpace = recv_yield(proc.comm, proc.rank, tag_space) - T, innerSpace = recv_yield(proc.comm, proc.rank, tag_space) - space = MPIMemorySpace(innerSpace, proc.comm, proc.rank) + T, outspace = recv_yield(proc.comm, proc.rank, tag_space) + space = MPIMemorySpace(outspace.innerSpace, proc.comm, proc.rank) #= FIXME: If we get a bad result (something non-concrete, or Union{}), # we should bcast the actual type @warn "FIXME: Kwargs" maxlog=1 From bc04aa7096de7e4d741b3fd8737c25542f614179 Mon Sep 17 00:00:00 2001 From: yanzin00 Date: Sun, 31 Aug 2025 15:18:00 +0000 Subject: [PATCH 6/8] restructure MPI benchmarks --- benchmarks/DaggerMPI_Strong_scale.jl | 72 -------------- benchmarks/DaggerMPI_Weak_scale.jl | 64 ------------- benchmarks/DaggerTCP_Strong_scale.jl | 93 ------------------- benchmarks/DaggerTCP_Weak_scale.jl | 76 --------------- benchmarks/MPI_benchmarks/bench_scaling.sh | 7 ++ .../MPI_benchmarks/collect_environment.sh | 19 ++++ benchmarks/MPI_benchmarks/run-mpi-bench.sh | 8 ++ .../scaling_results/strong_scale_results.csv | 29 ++++++ .../scaling_results/weak_scale_results.csv | 38 ++++++++ .../strong_scaling/DaggerMPI_Strong_scale.jl | 65 +++++++++++++ .../strong_scaling/DaggerTCP_Strong_scale.jl | 58 ++++++++++++ .../strong_scaling/strong_scale.sh | 24 +++++ .../weak_scaling/DaggerMPI_Weak_scale.jl | 66 +++++++++++++ .../weak_scaling/DaggerTCP_Weak_scale.jl | 59 ++++++++++++ .../MPI_benchmarks/weak_scaling/weak_scale.sh | 25 +++++ .../results/DaggerMPI_Weak_scale_results.csv | 5 - benchmarks/weak_scale.sh | 23 ----- src/mpi.jl | 4 +- 18 files changed, 400 insertions(+), 335 deletions(-) delete mode 100644 benchmarks/DaggerMPI_Strong_scale.jl delete mode 100644 benchmarks/DaggerMPI_Weak_scale.jl delete mode 100644 benchmarks/DaggerTCP_Strong_scale.jl delete mode 100644 benchmarks/DaggerTCP_Weak_scale.jl create mode 100755 benchmarks/MPI_benchmarks/bench_scaling.sh create mode 100755 benchmarks/MPI_benchmarks/collect_environment.sh create mode 100755 benchmarks/MPI_benchmarks/run-mpi-bench.sh create mode 100644 benchmarks/MPI_benchmarks/scaling_results/strong_scale_results.csv create mode 100644 benchmarks/MPI_benchmarks/scaling_results/weak_scale_results.csv create mode 100644 benchmarks/MPI_benchmarks/strong_scaling/DaggerMPI_Strong_scale.jl create mode 100644 benchmarks/MPI_benchmarks/strong_scaling/DaggerTCP_Strong_scale.jl create mode 100755 benchmarks/MPI_benchmarks/strong_scaling/strong_scale.sh create mode 100644 benchmarks/MPI_benchmarks/weak_scaling/DaggerMPI_Weak_scale.jl create mode 100644 benchmarks/MPI_benchmarks/weak_scaling/DaggerTCP_Weak_scale.jl create mode 100755 benchmarks/MPI_benchmarks/weak_scaling/weak_scale.sh delete mode 100644 benchmarks/results/DaggerMPI_Weak_scale_results.csv delete mode 100644 benchmarks/weak_scale.sh diff --git a/benchmarks/DaggerMPI_Strong_scale.jl b/benchmarks/DaggerMPI_Strong_scale.jl deleted file mode 100644 index 12b5d328f..000000000 --- a/benchmarks/DaggerMPI_Strong_scale.jl +++ /dev/null @@ -1,72 +0,0 @@ -using Dagger, MPI, LinearAlgebra -using CSV, DataFrames - -Dagger.accelerate!(:mpi) -comm = MPI.COMM_WORLD -rank = MPI.Comm_rank(comm) -sz = MPI.Comm_size(comm) - -mpidagger_all_results = [] - -# Define constants -# You need to define the MPI workers before running the benchmark -# Example: mpirun -n 4 julia --project benchmarks/DaggerMPI_Strong_scale.jl -datatype = [Float32, Float64] -datasize = [128] -blocksize = 4 - -for T in datatype - println(" Testing data type: $T") - - for N in datasize - A = rand(T, N, N) - A = A * A' - A[diagind(A)] .+= size(A, 1) - B = copy(A) - @assert ishermitian(B) - DA = distribute(A, Blocks(blocksize,blocksize)) - DB = distribute(B, Blocks(blocksize,blocksize)) - - - LinearAlgebra._chol!(DA, UpperTriangular) - elapsed_time = @elapsed chol_DB = LinearAlgebra._chol!(DB, UpperTriangular) - - - - # Verify results - #@show chol_DB - - #@assert chol_DA isa Cholesky - #@assert chol_DB isa UpperTriangular - #@assert chol_A.L โ‰ˆ chol_DA.L - #@assert chol_A.U โ‰ˆ chol_DA.U - #@assert UpperTriangular(collect(DB)) โ‰ˆ UpperTriangular(collect(chol_DB)) - - # Store results - result = ( - procs = sz, - dtype = T, - size = N, - blocksize = "$(blocksize) x $(blocksize)", - time = elapsed_time, - gflops = (N^3 / 3) / (elapsed_time * 1e9) - ) - push!(mpidagger_all_results, result) - - end - println() -end - -# Write results to CSV -if !isempty(mpidagger_all_results) - df = DataFrame(mpidagger_all_results) - CSV.write("benchmarks/results/DaggerMPI_Weak_scale_results.csv", df) - println("Results written to benchmarks/results/DaggerMPI_Weak_scale_results.csv") -end - -# Summary statistics -for result in mpidagger_all_results - println(result.procs, " ", result.dtype, " ", result.size, " ", result.blocksize, " ", result.time, " ", result.gflops) -end -println("\nAll Cholesky tests completed!") - diff --git a/benchmarks/DaggerMPI_Weak_scale.jl b/benchmarks/DaggerMPI_Weak_scale.jl deleted file mode 100644 index 6f78d3a3d..000000000 --- a/benchmarks/DaggerMPI_Weak_scale.jl +++ /dev/null @@ -1,64 +0,0 @@ -using Dagger, MPI, LinearAlgebra -using CSV, DataFrames, Logging -disable_logging(LogLevel(2999)) - -Dagger.accelerate!(:mpi) -comm = MPI.COMM_WORLD -rank = MPI.Comm_rank(comm) -sz = MPI.Comm_size(comm) - -mpidagger_all_results = [] - -# Define constants -# You need to define the MPI workers before running the benchmark -# Example: mpirun -n 4 julia --project benchmarks/DaggerMPI_Weak_scale.jl -datatype = [Float32, Float64] -datasize = [8, 16] -blocksize = 4 - -for T in datatype - #println(" Testing data type: $T") - - for N in datasize - A = rand(T, N, N) - A = A * A' - A[diagind(A)] .+= size(A, 1) - B = copy(A) - @assert ishermitian(B) - DA = distribute(A, Blocks(blocksize,blocksize)) - DB = distribute(B, Blocks(blocksize,blocksize)) - - - LinearAlgebra._chol!(DA, UpperTriangular) - elapsed_time = @elapsed chol_DB = LinearAlgebra._chol!(DB, UpperTriangular) - - # Store results - result = ( - procs = sz, - dtype = T, - size = N, - blocksize = blocksize, - time = elapsed_time, - gflops = (N^3 / 3) / (elapsed_time * 1e9) - ) - push!(mpidagger_all_results, result) - - end - #println() -end - -# Write results to CSV -mkpath("benchmarks/results") -if !isempty(mpidagger_all_results) - df = DataFrame(mpidagger_all_results) - CSV.write("benchmarks/results/DaggerMPI_Weak_scale_results.csv", df) - println("Results written to benchmarks/results/DaggerMPI_Weak_scale_results.csv") -end - - -# Summary statistics -for result in mpidagger_all_results - println(result.procs, ",", result.dtype, ",", result.size, ",", result.blocksize, ",", result.time, ",", result.gflops) -end -#println("\nAll Cholesky tests completed!") - diff --git a/benchmarks/DaggerTCP_Strong_scale.jl b/benchmarks/DaggerTCP_Strong_scale.jl deleted file mode 100644 index 5490929d2..000000000 --- a/benchmarks/DaggerTCP_Strong_scale.jl +++ /dev/null @@ -1,93 +0,0 @@ -using Distributed -using Dates - -using Logging -disable_logging(LogLevel(2999)) - -println("Standalone Dagger.jl Cholesky Test with Multiple Configurations") -base_system_info = Dict( - "julia_version" => string(VERSION), - "num_threads" => Threads.nthreads(), - "hostname" => gethostname(), - "cpu_info" => Sys.cpu_info()[1].model, - "total_memory" => Sys.total_memory(), - "timestamp" => Dates.now() -) -println("Base System Info:") -for (key, value) in base_system_info - println(" $key: $value") -end - -# Define constants -DaggerTCP_results = [] -number_of_processes = [16, 32, 64] -data_size = [8192] -blocksize = 64 - -addprocs(1) -for target_procs in number_of_processes - println("TESTING WITH $target_procs PROCESSES") - # Add only missing workers - needed_workers = target_procs - 1 - current_workers = nworkers() - if current_workers < needed_workers - addprocs(needed_workers - current_workers) - end - @everywhere using Dagger, LinearAlgebra, Random, Test - - println() - println("Active workers: $(nworkers()) (Total processes: $(nprocs()))") - - for T in (Float32, Float64) - - for N in data_size - println(" Testing data type: $T, size: $N") - - try - A = rand(T, N, N) - A = A * A' - A[diagind(A)] .+= size(A, 1) - B = copy(A) - @assert ishermitian(B) - DA = distribute(A, Blocks(blocksize,blocksize)) - DB = distribute(B, Blocks(blocksize,blocksize)) - - - LinearAlgebra._chol!(DA, UpperTriangular) - elapsed_time = @elapsed chol_DB = LinearAlgebra._chol!(DB, UpperTriangular) - - # Verify results - #@show chol_DA isa Cholesky - #@show chol_A.L โ‰ˆ chol_DA.L - #@show chol_A.U โ‰ˆ chol_DA.U - #@show UpperTriangular(collect(DA)) โ‰ˆ UpperTriangular(collect(A)) - - # Store results - result = ( - procs = nprocs(), - dtype = T, - size = N, - blocksize = "$(blocksize) x $(blocksize)", - time = elapsed_time, - gflops = (N^3 / 3) / (elapsed_time * 1e9) - ) - push!(DaggerTCP_results, result) - - - catch e - println("ERROR: $e") - end - end - println() - end - println() -end -# Clean up workers at the end -if nworkers() > 0 - rmprocs(workers()) -end -# Summary statistics -for result in DaggerTCP_results - println(result.procs, " ", result.dtype, " ", result.size, " ", result.blocksize, " ", result.time) -end -println("\nAll Cholesky tests completed!") \ No newline at end of file diff --git a/benchmarks/DaggerTCP_Weak_scale.jl b/benchmarks/DaggerTCP_Weak_scale.jl deleted file mode 100644 index ef1b649cd..000000000 --- a/benchmarks/DaggerTCP_Weak_scale.jl +++ /dev/null @@ -1,76 +0,0 @@ -using Distributed -using Dates - -#= -println("Standalone Dagger.jl Cholesky Test with Multiple Configurations") -base_system_info = Dict( - "julia_version" => string(VERSION), - "num_threads" => Threads.nthreads(), - "hostname" => gethostname(), - "cpu_info" => Sys.cpu_info()[1].model, - "total_memory" => Sys.total_memory(), - "timestamp" => Dates.now() -) -println("Base System Info:") -for (key, value) in base_system_info - println(" $key: $value") -end -=# -all_results = [] - -#Define constants -addprocs(3) -datasize = [8, 16] -blocksize = 4 -@everywhere using Dagger, LinearAlgebra, Random, Test, Logging -@everywhere disable_logging(LogLevel(2999)) - -#println("\nActive workers: $(nworkers()) (Total processes: $(nprocs()))") - -for T in (Float32, Float64) - #println(" Testing data type: $T") - - for N in datasize - try - A = rand(T, N, N) - A = A * A' - A[diagind(A)] .+= size(A, 1) - B = copy(A) - @assert ishermitian(A) - DA = distribute(A, Blocks(blocksize, blocksize)) - DB = distribute(B, Blocks(blocksize,blocksize)) - - LinearAlgebra._chol!(DA, UpperTriangular) - - elapsed_time = @elapsed LinearAlgebra._chol!(DB, UpperTriangular) - - # Store results - result = ( - procs = nprocs(), - dtype = T, - size = N, - blocksize = blocksize, - time = elapsed_time, - gflops = 2 * N^3 / elapsed_time * 1e-9 - ) - push!(all_results, result) - - - catch e - #println("ERROR: $e") - end - end - #println() -end - -#= Clean up workers at the end -if nworkers() > 0 - rmprocs(workers()) -end -=# -# Summary statistics -for result in all_results - println(result.procs, ",", result.dtype, ",", result.size, ",", result.blocksize, ",", result.time, ",", result.gflops) -end -#println("\nAll Cholesky tests completed!") - diff --git a/benchmarks/MPI_benchmarks/bench_scaling.sh b/benchmarks/MPI_benchmarks/bench_scaling.sh new file mode 100755 index 000000000..acf686bb6 --- /dev/null +++ b/benchmarks/MPI_benchmarks/bench_scaling.sh @@ -0,0 +1,7 @@ +set -eux + +./benchmarks/MPI_benchmarks/weak_scaling/weak_scale.sh + +./benchmarks/MPI_benchmarks/strong_scaling/strong_scale.sh + + diff --git a/benchmarks/MPI_benchmarks/collect_environment.sh b/benchmarks/MPI_benchmarks/collect_environment.sh new file mode 100755 index 000000000..cc8e8d507 --- /dev/null +++ b/benchmarks/MPI_benchmarks/collect_environment.sh @@ -0,0 +1,19 @@ +#! /bin/sh + +# Linux data-gathering commands; adjust as necessary for your platform. +# +# Be sure to remove any information from the output that would violate +# SC's double-blind review policies. + +env | sed "s/$USER/USER/g" +cat /etc/os-release +uname -a +lscpu || cat /proc/cpuinfo +free -h +cat /proc/meminfo +lsblk -a +lspci +lsmod | head -20 +julia --project -e 'using InteractiveUtils; versioninfo()' +julia --project -e 'using Pkg; Pkg.status()' +julia --project -e 'using MPI; MPI.versioninfo()' diff --git a/benchmarks/MPI_benchmarks/run-mpi-bench.sh b/benchmarks/MPI_benchmarks/run-mpi-bench.sh new file mode 100755 index 000000000..82ad02e31 --- /dev/null +++ b/benchmarks/MPI_benchmarks/run-mpi-bench.sh @@ -0,0 +1,8 @@ +#!/bin/sh + +set -eux + +CMD=$1 +NP=$2 + +julia --project -e "using MPI; run(\`\$(mpiexec()) -np $NP julia --project $CMD\`)" diff --git a/benchmarks/MPI_benchmarks/scaling_results/strong_scale_results.csv b/benchmarks/MPI_benchmarks/scaling_results/strong_scale_results.csv new file mode 100644 index 000000000..28e5a590e --- /dev/null +++ b/benchmarks/MPI_benchmarks/scaling_results/strong_scale_results.csv @@ -0,0 +1,29 @@ +benchmark,procs,dtype,size,time,gflops +MPI,2,Float32,18000,3.192444732,608.9377148847694 +MPI,2,Float64,18000,4.694455439,414.10553902586526 +MPI,4,Float32,18000,10.958503871,177.3964788336205 +MPI,4,Float64,18000,14.021654097,138.64270124991373 +MPI,8,Float32,18000,14.974417746,129.82140828275513 +MPI,8,Float64,18000,16.985438362,114.45097609898235 +MPI,16,Float32,18000,17.121160798,113.54370319488429 +MPI,16,Float64,18000,20.63605886,94.20403446164623 +MPI,32,Float32,18000,20.309791354,95.71737917519918 +MPI,32,Float64,18000,25.849663573,75.2040735273054 +MPI,64,Float32,18000,25.609332064,75.9098283056259 +MPI,64,Float64,18000,33.751518665,57.597408261688365 +MPI,81,Float32,18000,32.39996995,60.00005564819976 +MPI,81,Float64,18000,69.292101133,28.05514579892253 +TCP,2,Float32,18000,11.020147432,176.40417353719482 +TCP,2,Float64,18000,19.848274148,97.94302444154249 +TCP,4,Float32,18000,10.30064722,188.72600512184127 +TCP,4,Float64,18000,19.605200572,99.15736351998389 +TCP,8,Float32,18000,10.247436443,189.70598264387792 +TCP,8,Float64,18000,17.90332039,108.58321013379351 +TCP,16,Float32,18000,10.620012628,183.05062979629443 +TCP,16,Float64,18000,18.595432778,104.54179922609381 +TCP,32,Float32,18000,10.096993021,192.53256845447115 +TCP,32,Float64,18000,18.282867609,106.32905305527883 +TCP,64,Float32,18000,10.513992556,184.8964596128253 +TCP,64,Float64,18000,19.610685054,99.12963237372891 +TCP,81,Float32,18000,11.069212168,175.6222548177288 +TCP,81,Float64,18000,18.878335941,102.97517779509462 diff --git a/benchmarks/MPI_benchmarks/scaling_results/weak_scale_results.csv b/benchmarks/MPI_benchmarks/scaling_results/weak_scale_results.csv new file mode 100644 index 000000000..e247ab9b2 --- /dev/null +++ b/benchmarks/MPI_benchmarks/scaling_results/weak_scale_results.csv @@ -0,0 +1,38 @@ +benchmark,procs,dtype,size,time,gflops +MPI,1,Float32,256,0.002007487,2.7857741212437905 +MPI,4,Float32,512,0.145154067,0.30821900888706527 +MPI,9,Float32,768,0.403228874,0.37446461237297207 +MPI,16,Float32,1024,0.472109778,0.7581159256001119 +MPI,25,Float32,1280,0.951790282,0.7344587141589103 +MPI,36,Float32,1536,1.752771286,0.6891712350883411 +MPI,49,Float32,1792,2.917590174,0.6574586953394823 +MPI,64,Float32,2048,4.934124422,0.5803079301972792 +MPI,81,Float32,2304,9.376669704,0.43478800221157926 +TCP,1,Float32,256,0.01264368,2.6538501448945246 +TCP,4,Float32,512,0.01676833,16.00847884076709 +TCP,9,Float32,768,0.034800746,26.03305296961163 +TCP,16,Float32,1024,0.062671975,34.26545354602276 +TCP,25,Float32,1280,0.102954032,40.739579776729876 +TCP,36,Float32,1536,0.204707002,35.40551735499502 +TCP,49,Float32,1792,0.269937825,42.63637441696064 +TCP,64,Float32,2048,0.3658052,46.96452971144205 +TCP,81,Float32,2304,0.475091924,51.48725897517046 + +MPI,1,Float64,256,0.002090059,2.675716490937975 +MPI,4,Float64,512,0.167346827,0.2673444335258694 +MPI,9,Float64,768,0.320509358,0.471109314692771 +MPI,16,Float64,1024,0.586005239,0.610769183470275 +MPI,25,Float64,1280,0.928163809,0.7531544107713282 +MPI,36,Float64,1536,1.611667861,0.7495089907981978 +MPI,49,Float64,1792,2.82393033,0.6792642895454625 +MPI,64,Float64,2048,5.173215466,0.553487777473266 +MPI,81,Float64,2304,8.260910867,0.49351258640084295 +TCP,1,Float64,256,0.009581393,3.502041091519782 +TCP,4,Float64,512,0.023808695,11.27468162366732 +TCP,9,Float64,768,0.041865372,21.640071990761246 +TCP,16,Float64,1024,0.074942948,28.654912907882945 +TCP,25,Float64,1280,0.351894368,11.919213211164552 +TCP,36,Float64,1536,0.517019701,14.018338755721805 +TCP,49,Float64,1792,0.491128477,23.434133256337322 +TCP,64,Float64,2048,0.678788217,25.309616097829227 +TCP,81,Float64,2304,0.879469254,27.81357144294211 diff --git a/benchmarks/MPI_benchmarks/strong_scaling/DaggerMPI_Strong_scale.jl b/benchmarks/MPI_benchmarks/strong_scaling/DaggerMPI_Strong_scale.jl new file mode 100644 index 000000000..826625ecd --- /dev/null +++ b/benchmarks/MPI_benchmarks/strong_scaling/DaggerMPI_Strong_scale.jl @@ -0,0 +1,65 @@ +using Dagger, MPI, LinearAlgebra +using CSV, DataFrames, Logging +disable_logging(LogLevel(2999)) + +a = Dagger.accelerate!(:mpi) +comm = a.comm +rank = MPI.Comm_rank(comm) +sz = MPI.Comm_size(comm) + +mpidagger_all_results = [] + +# Define constants +# You need to define the MPI workers before running the benchmark +# Example: mpirun -n 4 julia --project benchmarks/DaggerMPI_Weak_scale.jl +datatype = [Float32, Float64] +datasize = 18000 + +for T in datatype + #println(" Testing data type: $T") + if rank == 0 + #blocksize = div(datasize, 4) + A = rand(T, datasize, datasize) + A = A * A' + A[diagind(A)] .+= size(A, 1) + B = copy(A) + @assert ishermitian(B) + DA = distribute(A, Blocks(2000,2000)) + DB = distribute(B, Blocks(2000,2000)) + else + DA = distribute(nothing, Blocks(2000,2000)) + DB = distribute(nothing, Blocks(2000,2000)) + end + + + LinearAlgebra._chol!(DA, UpperTriangular) + elapsed_time = @elapsed chol_DB = LinearAlgebra._chol!(DB, UpperTriangular) + + # Store results + result = ( + procs = sz, + dtype = T, + size = datasize, + time = elapsed_time, + gflops = (datasize^3 / 3) / (elapsed_time * 1e9) + ) + push!(mpidagger_all_results, result) + + +end + +if rank == 0 + #= Write results to CSV + mkpath("benchmarks/results") + if !isempty(mpidagger_all_results) + df = DataFrame(mpidagger_all_results) + CSV.write("benchmarks/results/DaggerMPI_Weak_scale_results.csv", df) + + end + =# + # Summary statistics + for result in mpidagger_all_results + println(result.procs, ",", result.dtype, ",", result.size, ",", result.time, ",", result.gflops) + end + #println("\nAll Cholesky tests completed!") +end \ No newline at end of file diff --git a/benchmarks/MPI_benchmarks/strong_scaling/DaggerTCP_Strong_scale.jl b/benchmarks/MPI_benchmarks/strong_scaling/DaggerTCP_Strong_scale.jl new file mode 100644 index 000000000..3813a07aa --- /dev/null +++ b/benchmarks/MPI_benchmarks/strong_scaling/DaggerTCP_Strong_scale.jl @@ -0,0 +1,58 @@ +using Distributed +using Dates + +all_results = [] + +#Define constants +addprocs(1) +number_of_processes = [2, 4, 8, 16, 32, 64, 81] +for target_workers in number_of_processes + current_workers = nworkers() + if current_workers < target_workers + addprocs(target_workers - current_workers) + elseif current_workers > target_workers + rmprocs(workers()[1:(current_workers - target_workers)]) + end + @everywhere using Dagger, LinearAlgebra, Random, Test, Logging + @everywhere disable_logging(LogLevel(2999)) + + #Define constants + datatype = [Float32, Float64] + datasize = 18000 + #blocksize = 4 + + for T in datatype + #println(" Testing data type: $T") + + #blocksize = div(datasize, 4) + A = rand(T, datasize, datasize) + A = A * A' + A[diagind(A)] .+= size(A, 1) + B = copy(A) + @assert ishermitian(B) + DA = distribute(A, Blocks(2000,2000)) + DB = distribute(B, Blocks(2000,2000)) + + + LinearAlgebra._chol!(DA, UpperTriangular) + elapsed_time = @elapsed chol_DB = LinearAlgebra._chol!(DB, UpperTriangular) + + # Store results + result = ( + procs = nworkers(), + dtype = T, + size = datasize, + time = elapsed_time, + gflops = (datasize^3 / 3) / (elapsed_time * 1e9) + ) + push!(all_results, result) + + end +end + +# Summary statistics +for result in all_results + println(result.procs, ",", result.dtype, ",", result.size, ",", result.time, ",", result.gflops) +end +#println("\nAll Cholesky tests completed!") + diff --git a/benchmarks/MPI_benchmarks/strong_scaling/strong_scale.sh b/benchmarks/MPI_benchmarks/strong_scaling/strong_scale.sh new file mode 100755 index 000000000..41db1405a --- /dev/null +++ b/benchmarks/MPI_benchmarks/strong_scaling/strong_scale.sh @@ -0,0 +1,24 @@ +#!/bin/bash + +set -eux + +CMD="benchmarks/MPI_benchmarks/strong_scaling/DaggerMPI_Strong_scale.jl" +BENCHMARK_NAME="DaggerMPI_Strong_scale" +OUTPUT_FILE="benchmarks/MPI_benchmarks/scaling_results/strong_scale_results.csv" + +# Create the CSV header if the file doesn't exist. +if [ ! -f "$OUTPUT_FILE" ]; then + echo "benchmark,procs,dtype,size,time,gflops" > "$OUTPUT_FILE" +fi + +for procs in 2 4 8 16 32 64 81; do + echo "Running $BENCHMARK_NAME with $procs processes..." + + julia --project -e "using MPI; run(\`\$(mpiexec()) -np $procs julia --project $CMD\`)" | sed "s/^/$BENCHMARK_NAME,/" >> "$OUTPUT_FILE" +done + +# RUn the TCP benchmark +DAGGERTCP_NAME="DaggerTCP_Strong_scale" +julia --project benchmarks/MPI_benchmarks/strong_scaling/DaggerTCP_Strong_scale.jl | sed "s/^/$DAGGERTCP_NAME,/" >> "$OUTPUT_FILE" + +echo "All benchmarks are complete. Results are in $OUTPUT_FILE" \ No newline at end of file diff --git a/benchmarks/MPI_benchmarks/weak_scaling/DaggerMPI_Weak_scale.jl b/benchmarks/MPI_benchmarks/weak_scaling/DaggerMPI_Weak_scale.jl new file mode 100644 index 000000000..2b6a366a9 --- /dev/null +++ b/benchmarks/MPI_benchmarks/weak_scaling/DaggerMPI_Weak_scale.jl @@ -0,0 +1,66 @@ +using Dagger, MPI, LinearAlgebra +using CSV, DataFrames, Logging +disable_logging(LogLevel(2999)) + +a = Dagger.accelerate!(:mpi) +comm = a.comm +rank = MPI.Comm_rank(comm) +sz = MPI.Comm_size(comm) + +mpidagger_all_results = [] + +# Define constants +# You need to define the MPI workers before running the benchmark +# Example: mpirun -n 4 julia --project benchmarks/DaggerMPI_Weak_scale.jl +datatype = [Float32, Float64] +datasize = 256 * floor(Int, sqrt(sz)) + +for T in datatype + if rank == 0 + #blocksize = div(datasize, 4) + A = rand(T, datasize, datasize) + A = A * A' + A[diagind(A)] .+= size(A, 1) + B = copy(A) + @assert ishermitian(B) + DA = distribute(A, Blocks(256,256)) + DB = distribute(B, Blocks(256,256)) + else + DA = distribute(nothing, Blocks(256,256)) + DB = distribute(nothing, Blocks(256,256)) + end + + + LinearAlgebra._chol!(DA, UpperTriangular) + elapsed_time = @elapsed chol_DB = LinearAlgebra._chol!(DB, UpperTriangular) + + # Store results + result = ( + procs = sz, + dtype = T, + size = datasize, + time = elapsed_time, + gflops = (datasize^3 / 3) / (elapsed_time * 1e9) + ) + push!(mpidagger_all_results, result) + + +end + +if rank == 0 + #= Write results to CSV + mkpath("benchmarks/results") + if !isempty(mpidagger_all_results) + df = DataFrame(mpidagger_all_results) + CSV.write("benchmarks/results/DaggerMPI_Weak_scale_results.csv", df) + + end + =# + # Summary statistics + for result in mpidagger_all_results + println(result.procs, ",", result.dtype, ",", result.size, ",", result.time, ",", result.gflops) + end + #println("\nAll Cholesky tests completed!") +end +a.comm.finalize() + diff --git a/benchmarks/MPI_benchmarks/weak_scaling/DaggerTCP_Weak_scale.jl b/benchmarks/MPI_benchmarks/weak_scaling/DaggerTCP_Weak_scale.jl new file mode 100644 index 000000000..7552d0138 --- /dev/null +++ b/benchmarks/MPI_benchmarks/weak_scaling/DaggerTCP_Weak_scale.jl @@ -0,0 +1,59 @@ +using Distributed +using Dates + +all_results = [] + +#Define constants +addprocs(1) +number_of_processes = [1, 4, 9, 16, 25, 36, 49, 64, 81] +for target_workers in number_of_processes + current_workers = nworkers() + if current_workers < target_workers + addprocs(target_workers - current_workers) + elseif current_workers > target_workers + rmprocs(workers()[1:(current_workers - target_workers)]) + end + #println("\n nprocs: $(nprocs()), nworkers: $(nworkers()) ") + @everywhere using Dagger, LinearAlgebra, Random, Test, Logging + @everywhere disable_logging(LogLevel(2999)) + + #Define constants + datatype = [Float32, Float64] + datasize = 256 * floor(Int, sqrt(nworkers())) + #blocksize = 4 + + for T in datatype + #println(" Testing data type: $T") + + #blocksize = div(datasize, 4) + A = rand(T, datasize, datasize) + A = A * A' + A[diagind(A)] .+= size(A, 1) + B = copy(A) + @assert ishermitian(B) + DA = distribute(A, Blocks(256, 256)) + DB = distribute(B, Blocks(256,256)) + + + LinearAlgebra._chol!(DA, UpperTriangular) + elapsed_time = @elapsed chol_DB = LinearAlgebra._chol!(DB, UpperTriangular) + + # Store results + result = ( + procs = nworkers(), + dtype = T, + size = datasize, + time = elapsed_time, + gflops = (datasize^3 / 3) / (elapsed_time * 1e9) + ) + push!(all_results, result) + + end +end + +# Summary statistics +for result in all_results + println(result.procs, ",", result.dtype, ",", result.size, ",", result.time, ",", result.gflops) +end +#println("\nAll Cholesky tests completed!") + diff --git a/benchmarks/MPI_benchmarks/weak_scaling/weak_scale.sh b/benchmarks/MPI_benchmarks/weak_scaling/weak_scale.sh new file mode 100755 index 000000000..52dcdb6bb --- /dev/null +++ b/benchmarks/MPI_benchmarks/weak_scaling/weak_scale.sh @@ -0,0 +1,25 @@ +#!/bin/bash + +set -eux + +CMD="benchmarks/MPI_benchmarks/weak_scaling/DaggerMPI_Weak_scale.jl" +BENCHMARK_NAME="DaggerMPI_Weak_scale" +OUTPUT_FILE="benchmarks/MPI_benchmarks/scaling_results/weak_scale_results.csv" + + +# Create the CSV header if the file doesn't exist. +if [ ! -f "$OUTPUT_FILE" ]; then + echo "benchmark,procs,dtype,size,time,gflops" > "$OUTPUT_FILE" +fi + +for procs in 1 4 9 16 25 36 49 64 81; do + echo "Running $BENCHMARK_NAME with $procs processes..." + + julia --project -e "using MPI; run(\`\$(mpiexec()) -np $procs julia --project $CMD\`)" | sed "s/^/$BENCHMARK_NAME,/" >> "$OUTPUT_FILE" +done + +# Run the TCP benchmark +DAGGERTCP_NAME="DaggerTCP_Weak_scale" +julia --project benchmarks/MPI_benchmarks/weak_scaling/DaggerTCP_Weak_scale.jl | sed "s/^/$DAGGERTCP_NAME,/" >> "$OUTPUT_FILE" + +echo "All benchmarks are complete. Results are in $OUTPUT_FILE" \ No newline at end of file diff --git a/benchmarks/results/DaggerMPI_Weak_scale_results.csv b/benchmarks/results/DaggerMPI_Weak_scale_results.csv deleted file mode 100644 index 19187642b..000000000 --- a/benchmarks/results/DaggerMPI_Weak_scale_results.csv +++ /dev/null @@ -1,5 +0,0 @@ -procs,dtype,size,blocksize,time,gflops -4,Float32,8,4,0.011709834,1.457464441141238e-5 -4,Float32,16,4,0.039333791,3.471146051834498e-5 -4,Float64,8,4,0.005815791,2.934539199683528e-5 -4,Float64,16,4,0.022347208,6.109637200912675e-5 diff --git a/benchmarks/weak_scale.sh b/benchmarks/weak_scale.sh deleted file mode 100644 index 2b886ff48..000000000 --- a/benchmarks/weak_scale.sh +++ /dev/null @@ -1,23 +0,0 @@ -#!/bin/bash - -# Define the output CSV file -OUTPUT_FILE="weak_scale_results.csv" - -# Check if the CSV file exists. If not, create it with a header. -if [ ! -f "$OUTPUT_FILE" ]; then - echo "benchmark,procs,dtype,size,blocksize,time,gflops" > "$OUTPUT_FILE" -fi - -# --- Run the DaggerTCP benchmark --- -echo "Running DaggerTCP_Weak_scale.jl..." - -# Run the Julia script and use 'sed' to prepend the benchmark name to each line of output. -julia --project=. benchmarks/DaggerTCP_Weak_scale.jl | sed 's/^/DaggerTCP_Weak_scale,/' >> "$OUTPUT_FILE" - -# --- Run the DaggerMPI benchmark --- -echo "Running DaggerMPI benchmark..." - -# Run the MPI command and use 'sed' to prepend the benchmark name to each line of output. -mpiexec -n 4 julia --project=. -e 'include("benchmarks/mpi_dagger_bench.jl")' | sed 's/^/DaggerMPI_Weak_scale,/' >> "$OUTPUT_FILE" - -echo "Weak scale benchmarks complete. Results are in $OUTPUT_FILE" \ No newline at end of file diff --git a/src/mpi.jl b/src/mpi.jl index fd19cb31c..d07b7ffdd 100644 --- a/src/mpi.jl +++ b/src/mpi.jl @@ -811,6 +811,7 @@ accel_matches_proc(accel::MPIAcceleration, proc::MPIClusterProc) = true accel_matches_proc(accel::MPIAcceleration, proc::MPIProcessor) = true accel_matches_proc(accel::MPIAcceleration, proc) = false +#= function distribute(A::AbstractArray{T,N}, dist::Blocks{N}, accel::MPIAcceleration) where {T,N} comm = accel.comm rank = MPI.Comm_rank(comm) @@ -821,8 +822,8 @@ function distribute(A::AbstractArray{T,N}, dist::Blocks{N}, accel::MPIAccelerati return DB end +=# -#= distribute(A::AbstractArray{T,N}, dist::Blocks{N}, root::Int; comm::MPI.Comm=MPI.COMM_WORLD) where {T,N} = distribute(A::AbstractArray{T,N}, dist; comm, root) distribute(A::AbstractArray, root::Int; comm::MPI.Comm=MPI.COMM_WORLD) = distribute(A, AutoBlocks(), root; comm) @@ -996,4 +997,3 @@ function Base.collect(x::Dagger.DMatrix{T}; end end end -=# From 02edac89746b645f97ff6c35647a0c3c1ff1bca0 Mon Sep 17 00:00:00 2001 From: Felipe Tome Date: Tue, 2 Sep 2025 09:26:47 -0300 Subject: [PATCH 7/8] Profiler: Small changes to accomodate MPI --- lib/TimespanLogging/src/core.jl | 2 +- src/Dagger.jl | 2 +- src/mpi.jl | 25 ++++++++++++++++++++++++- src/utils/logging.jl | 14 +++++++++----- 4 files changed, 35 insertions(+), 8 deletions(-) diff --git a/lib/TimespanLogging/src/core.jl b/lib/TimespanLogging/src/core.jl index 815345671..963c67e3c 100644 --- a/lib/TimespanLogging/src/core.jl +++ b/lib/TimespanLogging/src/core.jl @@ -263,7 +263,7 @@ function get_logs!(ml::MultiEventLog; only_local=false) lock(event_log_lock) do sublogs = Dict{Symbol,Vector}() for name in keys(mls.consumers) - sublogs[name] = mls.consumer_logs[name] + sublogs[name] = copy(mls.consumer_logs[name]) mls.consumer_logs[name] = [] end sublogs diff --git a/src/Dagger.jl b/src/Dagger.jl index bab83b662..f3c5b3cd4 100644 --- a/src/Dagger.jl +++ b/src/Dagger.jl @@ -81,9 +81,9 @@ include("argument.jl") include("queue.jl") include("thunk.jl") include("utils/fetch.jl") +include("memory-spaces.jl") include("utils/logging.jl") include("submission.jl") -include("memory-spaces.jl") # Chunk utilities include("utils/chunks.jl") diff --git a/src/mpi.jl b/src/mpi.jl index fd19cb31c..52f858dbd 100644 --- a/src/mpi.jl +++ b/src/mpi.jl @@ -463,7 +463,6 @@ end function recv_yield(comm, src, tag) rank = MPI.Comm_rank(comm) - #Core.println("[rank $(MPI.Comm_rank(comm))][tag $tag] Starting recv from [$src]") # Ensure no other receiver is waiting our_event = Base.Event() @@ -822,6 +821,30 @@ function distribute(A::AbstractArray{T,N}, dist::Blocks{N}, accel::MPIAccelerati return DB end +function get_logs!(accel::MPIAcceleration, ml::TimespanLogging.MultiEventLog; only_local=false) + mls = TimespanLogging.get_state(ml) + sublogs = lock(TimespanLogging.event_log_lock) do + sublogs = Dict{Symbol,Vector}() + for name in keys(mls.consumers) + sublogs[name] = copy(mls.consumer_logs[name]) + mls.consumer_logs[name] = [] + end + sublogs + end + rank = MPI.Comm_rank(accel.comm) + if rank == 0 + logs = Dict{Int, Dict{Symbol,Vector}}() + end + + logsvec = MPI.gather(sublogs, accel.comm) + if rank == 0 + for (rnk, sublogs) in enumerate(logsvec) + logs[rnk] = sublogs + end + return logs + end +end + #= distribute(A::AbstractArray{T,N}, dist::Blocks{N}, root::Int; comm::MPI.Comm=MPI.COMM_WORLD) where {T,N} = distribute(A::AbstractArray{T,N}, dist; comm, root) diff --git a/src/utils/logging.jl b/src/utils/logging.jl index d30632f0f..a8a45ca61 100644 --- a/src/utils/logging.jl +++ b/src/utils/logging.jl @@ -19,10 +19,10 @@ Extra events: - `tasktochunk::Bool`: Enables reporting of DTask-to-Chunk mappings - `profile::Bool`: Enables profiling of task execution; not currently recommended, as it adds significant overhead """ -function enable_logging!(;metrics::Bool=true, +function enable_logging!(;metrics::Bool=false, timeline::Bool=false, - all_task_deps::Bool=false, - tasknames::Bool=true, + all_task_deps::Bool=true, + tasknames::Bool=false, taskfuncnames::Bool=false, taskdeps::Bool=true, taskargs::Bool=false, @@ -105,7 +105,11 @@ of the outer `Dict` is keyed on worker ID, so `logs[1]` are the logs for worker Consider using `show_logs` or `render_logs` to generate a renderable display of these logs. """ -fetch_logs!() = TimespanLogging.get_logs!(Dagger.Sch.eager_context()) + + +get_logs!(accel::DistributedAcceleration, ml; only_local=only_local) = TimespanLogging.get_logs!(ml; only_local=only_local) + +fetch_logs!() = get_logs!(current_acceleration(), Dagger.Sch.eager_context().log_sink; only_local=false) # Convenience macros to reduce allocations when logging is disabled macro maybelog(ctx, ex) @@ -117,8 +121,8 @@ macro maybelog(ctx, ex) end function logs_event_pairs(f, logs::Dict) - running_events = Dict{Tuple,Int}() for w in keys(logs) + running_events = Dict{Tuple,Int}() for idx in 1:length(logs[w][:core]) kind = logs[w][:core][idx].kind category = logs[w][:core][idx].category From e08993e8d44a09bc7c40fa2436ee5417c3fc203a Mon Sep 17 00:00:00 2001 From: yanzin00 Date: Tue, 2 Sep 2025 14:34:55 -0300 Subject: [PATCH 8/8] Profiling test --- Project.toml | 4 ++-- src/mpi.jl | 5 +++-- test/profiling/profiling-test.jl | 21 +++++++++++++++++++++ test/profiling/results/gantt_chart.png | Bin 0 -> 19633 bytes 4 files changed, 26 insertions(+), 4 deletions(-) create mode 100644 test/profiling/profiling-test.jl create mode 100644 test/profiling/results/gantt_chart.png diff --git a/Project.toml b/Project.toml index e615987e1..ba671bb37 100644 --- a/Project.toml +++ b/Project.toml @@ -5,6 +5,7 @@ version = "0.18.14" [deps] AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c" Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e" +DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0" DataStructures = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8" Distributed = "8ba89e20-285c-5b6f-9357-94700520ee1b" DistributedNext = "fab6aee4-877b-4bac-a744-3eca44acbb6f" @@ -15,6 +16,7 @@ MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09" MemPool = "f9f48841-c794-520a-933b-121f7ba6ed94" MetricsTracker = "9a9c6fec-044d-4a27-aa18-2b01ca4026eb" OnlineStats = "a15396b6-48d5-5d58-9928-6d29437db91e" +Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80" PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a" Preferences = "21216c6a-2e73-6563-6e65-726566657250" Profile = "9abbd945-dff8-562f-b5e8-e1ebf5ef1b79" @@ -32,12 +34,10 @@ UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4" [weakdeps] Colors = "5ae59095-9a9b-59fe-a467-6f913c188581" -DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0" Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f" GraphViz = "f526b714-d49f-11e8-06ff-31ed36ee7ee0" JSON3 = "0f8b85d8-7281-11e9-16c2-39a750bddbf1" JuMP = "4076af6c-e467-56ae-b986-b466b2749572" -Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80" PythonCall = "6099a3de-0909-46bc-b1f4-468b9a2dfc0d" [extensions] diff --git a/src/mpi.jl b/src/mpi.jl index 8a33f24c6..d151bef91 100644 --- a/src/mpi.jl +++ b/src/mpi.jl @@ -810,7 +810,7 @@ accel_matches_proc(accel::MPIAcceleration, proc::MPIClusterProc) = true accel_matches_proc(accel::MPIAcceleration, proc::MPIProcessor) = true accel_matches_proc(accel::MPIAcceleration, proc) = false -#= + function distribute(A::AbstractArray{T,N}, dist::Blocks{N}, accel::MPIAcceleration) where {T,N} comm = accel.comm rank = MPI.Comm_rank(comm) @@ -845,7 +845,7 @@ function get_logs!(accel::MPIAcceleration, ml::TimespanLogging.MultiEventLog; on return logs end end - +#= distribute(A::AbstractArray{T,N}, dist::Blocks{N}, root::Int; comm::MPI.Comm=MPI.COMM_WORLD) where {T,N} = distribute(A::AbstractArray{T,N}, dist; comm, root) distribute(A::AbstractArray, root::Int; comm::MPI.Comm=MPI.COMM_WORLD) = distribute(A, AutoBlocks(), root; comm) @@ -1019,3 +1019,4 @@ function Base.collect(x::Dagger.DMatrix{T}; end end end +=# \ No newline at end of file diff --git a/test/profiling/profiling-test.jl b/test/profiling/profiling-test.jl new file mode 100644 index 000000000..5cc83c30a --- /dev/null +++ b/test/profiling/profiling-test.jl @@ -0,0 +1,21 @@ +using Dagger, MPI, Plots, TimespanLogging, DataFrames, LinearAlgebra + +Dagger.accelerate!(:mpi) +A = randn(Blocks(256, 256), 1024, 1024) +B = randn(Blocks(256, 256), 1024, 1024) +C = zeros(Blocks(256, 256), 1024, 1024) + +using Pkg +Pkg.precompile() + +Dagger.enable_logging!() +LinearAlgebra.BLAS.set_num_threads(1) +@time LinearAlgebra.generic_matmatmul!(C, 'N', 'N', A, B, LinearAlgebra.MulAddMul(1.0, 0.0)) +logs = Dagger.fetch_logs!() +Dagger.disable_logging!() +rank = MPI.Comm_rank(MPI.COMM_WORLD) +if rank == 0 + p = Dagger.render_logs(logs, :plots_gantt) + savefig(p, "test/profiling/results/gantt_chart.png") +end +MPI.Finalize() \ No newline at end of file diff --git a/test/profiling/results/gantt_chart.png b/test/profiling/results/gantt_chart.png new file mode 100644 index 0000000000000000000000000000000000000000..9b5394ee6b8f4d05cacb86152e6089106e795ad8 GIT binary patch literal 19633 zcmdVC2{hI1zc;LTHz8w@F_ny!sf^hXCG(IFWu8K0o*K4X`+?fu)=@4CL<&-C3v8fr?rcd+cBqN3V; zR#`!difW@i71f3ZgpK%{)eAvQ_-(7Hijo4=I_1Bl^5>7Js5q(4D#+`2#832j8ZpeR zZ<}snfBp3%cl0ez!mT9kK<+vV_Vgf${)YwzvA&N!Pk+u76{~+K+MaDX6d60uxczQy z>_blWB+j6(^EngcGs|Wbla9TY^dihUJY_g!ygvI3iHJ;He9+a{kir{`_dm*LIIso3 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