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osc/rdma: fix datatype extent usage in ompi_osc_rdma_rget_accumulate_… #3572

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Merged
merged 1 commit into from
May 26, 2017
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osc/rdma: fix datatype extent usage in ompi_osc_rdma_rget_accumulate_… #3572

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16 changes: 9 additions & 7 deletions ompi/mca/osc/rdma/osc_rdma_accumulate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1015,7 +1015,7 @@ int ompi_osc_rdma_rget_accumulate_internal (ompi_osc_rdma_sync_t *sync, const vo
ompi_osc_rdma_module_t *module = sync->module;
mca_btl_base_registration_handle_t *target_handle;
uint64_t target_address;
ptrdiff_t lb, extent;
ptrdiff_t lb, origin_extent, target_extent;
int ret;

/* short-circuit case. note that origin_count may be 0 if op is MPI_NO_OP */
Expand All @@ -1027,20 +1027,22 @@ int ompi_osc_rdma_rget_accumulate_internal (ompi_osc_rdma_sync_t *sync, const vo
return OMPI_SUCCESS;
}

(void) ompi_datatype_get_extent (origin_datatype, &lb, &extent);
(void) ompi_datatype_get_extent (target_datatype, &lb, &target_extent);

ret = osc_rdma_get_remote_segment (module, peer, target_disp, extent * target_count, &target_address, &target_handle);
ret = osc_rdma_get_remote_segment (module, peer, target_disp, target_extent * target_count, &target_address, &target_handle);
if (OPAL_UNLIKELY(OMPI_SUCCESS != ret)) {
return ret;
}

if (module->acc_single_intrinsic && extent <= 8) {
(void) ompi_datatype_get_extent (origin_datatype, &lb, &origin_extent);

if (module->acc_single_intrinsic && origin_extent <= 8) {
if (module->acc_use_amo && ompi_datatype_is_predefined (origin_datatype)) {
if (NULL == result_addr) {
ret = ompi_osc_rdma_acc_single_atomic (sync, origin_addr, origin_datatype, extent, peer, target_address,
ret = ompi_osc_rdma_acc_single_atomic (sync, origin_addr, origin_datatype, origin_extent, peer, target_address,
target_handle, op, request);
} else {
ret = ompi_osc_rdma_fetch_and_op_atomic (sync, origin_addr, result_addr, origin_datatype, extent, peer, target_address,
ret = ompi_osc_rdma_fetch_and_op_atomic (sync, origin_addr, result_addr, origin_datatype, origin_extent, peer, target_address,
target_handle, op, request);
}

Expand All @@ -1049,7 +1051,7 @@ int ompi_osc_rdma_rget_accumulate_internal (ompi_osc_rdma_sync_t *sync, const vo
}
}

ret = ompi_osc_rdma_fetch_and_op_cas (sync, origin_addr, result_addr, origin_datatype, extent, peer, target_address,
ret = ompi_osc_rdma_fetch_and_op_cas (sync, origin_addr, result_addr, origin_datatype, origin_extent, peer, target_address,
target_handle, op, request);
if (OMPI_SUCCESS == ret) {
return OMPI_SUCCESS;
Expand Down