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trie: reduce allocations by hoisting prefix up

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MariusVanDerWijden 2026-06-29 09:57:44 +02:00
parent 35d304f9d3
commit 46ec63eae1
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1 changed files with 3 additions and 2 deletions
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5
trie/trie.go
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@ -532,15 +532,16 @@ func (t *Trie) UpdateBatch(keys [][]byte, values [][]byte) error {
for pos, ks := range ikeys { for pos, ks := range ikeys {
eg.Go(func() error { eg.Go(func() error {
vs := ivals[pos] vs := ivals[pos]
prefix := []byte{pos}
for i, k := range ks { for i, k := range ks {
if len(vs[i]) != 0 { if len(vs[i]) != 0 {
_, n, err := t.insert(fn.Children[pos], []byte{pos}, k[1:], valueNode(vs[i])) _, n, err := t.insert(fn.Children[pos], prefix, k[1:], valueNode(vs[i]))
if err != nil { if err != nil {
return err return err
} }
fn.Children[pos] = n fn.Children[pos] = n
} else { } else {
_, n, err := t.delete(fn.Children[pos], []byte{pos}, k[1:]) _, n, err := t.delete(fn.Children[pos], prefix, k[1:])
if err != nil { if err != nil {
return err return err
} }