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trie: move wg.Add(1) inside the loop and defer wg.Done() at the beginning of goroutine

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qcrao 2024-04-20 20:11:23 +08:00
parent 2e06fbd409
commit 3e0b52a44a
1 changed files with 2 additions and 2 deletions
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4
trie/hasher.go
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@ -112,9 +112,10 @@ func (h *hasher) hashFullNodeChildren(n *fullNode) (collapsed *fullNode, cached
collapsed = n.copy() collapsed = n.copy()
if h.parallel { if h.parallel {
var wg sync.WaitGroup var wg sync.WaitGroup
wg.Add(16)
for i := 0; i < 16; i++ { for i := 0; i < 16; i++ {
wg.Add(1)
go func(i int) { go func(i int) {
defer wg.Done()
hasher := newHasher(false) hasher := newHasher(false)
if child := n.Children[i]; child != nil { if child := n.Children[i]; child != nil {
collapsed.Children[i], cached.Children[i] = hasher.hash(child, false) collapsed.Children[i], cached.Children[i] = hasher.hash(child, false)
@ -122,7 +123,6 @@ func (h *hasher) hashFullNodeChildren(n *fullNode) (collapsed *fullNode, cached
collapsed.Children[i] = nilValueNode collapsed.Children[i] = nilValueNode
} }
returnHasherToPool(hasher) returnHasherToPool(hasher)
wg.Done()
}(i) }(i)
} }
wg.Wait() wg.Wait()