opt: pre-allocate chunk blocks slice in chunk proposer

qcrao · qcrao · commit 563f1b5b78ff · 2024-12-12T10:38:41.000+08:00
diff --git a/common/version/version.go b/common/version/version.go
@@ -5,7 +5,7 @@ import (
 	"runtime/debug"
 )
 
-var tag = "v4.4.81"
+var tag = "v4.4.82"
 
 var commit = func() string {
 	if info, ok := debug.ReadBuildInfo(); ok {
diff --git a/rollup/internal/controller/watcher/chunk_proposer.go b/rollup/internal/controller/watcher/chunk_proposer.go
@@ -295,6 +295,7 @@ func (p *ChunkProposer) proposeChunk() error {
 	}
 
 	var chunk encoding.Chunk
+	chunk.Blocks = make([]*encoding.Block, 0, len(blocks))
 	for i, block := range blocks {
 		chunk.Blocks = append(chunk.Blocks, block)
 

Original file line number	Diff line number	Diff line change
`@@ -5,7 +5,7 @@ import (`
`5`	`5`	`"runtime/debug"`
`6`	`6`	`)`
`7`	`7`
`8`		`-var tag = "v4.4.81"`
	`8`	`+var tag = "v4.4.82"`
`9`	`9`
`10`	`10`	`var commit = func() string {`
`11`	`11`	`if info, ok := debug.ReadBuildInfo(); ok {`
Original file line number	Diff line number	Diff line change
`@@ -295,6 +295,7 @@ func (p *ChunkProposer) proposeChunk() error {`
`295`	`295`	`}`
`296`	`296`
`297`	`297`	`var chunk encoding.Chunk`
	`298`	`+ chunk.Blocks = make([]*encoding.Block, 0, len(blocks))`
`298`	`299`	`for i, block := range blocks {`
`299`	`300`	`chunk.Blocks = append(chunk.Blocks, block)`
`300`	`301`