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prealloc capacity for map and slice

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maskpp 2024-06-15 23:00:18 +08:00
parent 45a9ef00e9
commit 186592c444
2 changed files with 2 additions and 2 deletions
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2
trie/secure_trie.go
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@ -224,7 +224,7 @@ func (t *StateTrie) GetKey(shaKey []byte) []byte {
func (t *StateTrie) Commit(collectLeaf bool) (common.Hash, *trienode.NodeSet, error) { func (t *StateTrie) Commit(collectLeaf bool) (common.Hash, *trienode.NodeSet, error) {
// Write all the pre-images to the actual disk database // Write all the pre-images to the actual disk database
if len(t.getSecKeyCache()) > 0 { if len(t.getSecKeyCache()) > 0 {
preimages := make(map[common.Hash][]byte) preimages := make(map[common.Hash][]byte, len(t.secKeyCache))
for hk, key := range t.secKeyCache { for hk, key := range t.secKeyCache {
preimages[common.BytesToHash([]byte(hk))] = key preimages[common.BytesToHash([]byte(hk))] = key
} }

2
trie/trienode/node.go
View file

@ -186,7 +186,7 @@ func (set *MergedNodeSet) Merge(other *NodeSet) error {
// Flatten returns a two-dimensional map for internal nodes. // Flatten returns a two-dimensional map for internal nodes.
func (set *MergedNodeSet) Flatten() map[common.Hash]map[string]*Node { func (set *MergedNodeSet) Flatten() map[common.Hash]map[string]*Node {
nodes := make(map[common.Hash]map[string]*Node) nodes := make(map[common.Hash]map[string]*Node, len(set.Sets))
for owner, set := range set.Sets { for owner, set := range set.Sets {
nodes[owner] = set.Nodes nodes[owner] = set.Nodes
} }