core/state: improve the prefetcher concurrency allowance (#32071)

cskiraly · web-flow · commit 6eab053088e3 · 2025-06-21T13:00:32.000+08:00
Improve the prefetcher concurrency allowance.
diff --git a/core/state_prefetcher.go b/core/state_prefetcher.go
@@ -57,7 +57,7 @@ func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, c
 		workers errgroup.Group
 		reader  = statedb.Reader()
 	)
-	workers.SetLimit(runtime.NumCPU() / 2)
+	workers.SetLimit(4 * runtime.NumCPU() / 5) // Aggressively run the prefetching
 
 	// Iterate over and process the individual transactions
 	for i, tx := range block.Transactions() {

Original file line number	Diff line number	Diff line change
`@@ -57,7 +57,7 @@ func (p statePrefetcher) Prefetch(block types.Block, statedb *state.StateDB, c`
`57`	`57`	`workers errgroup.Group`
`58`	`58`	`reader = statedb.Reader()`
`59`	`59`	`)`
`60`		`- workers.SetLimit(runtime.NumCPU() / 2)`
	`60`	`+ workers.SetLimit(4 * runtime.NumCPU() / 5) // Aggressively run the prefetching`
`61`	`61`
`62`	`62`	`// Iterate over and process the individual transactions`
`63`	`63`	`for i, tx := range block.Transactions() {`