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slightly optimize lock_map RWLocks.

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"writeLocks" don't need to be sorted,and the index can be added into the "writeIndexSet" directly.
This commit is contained in:
kaniu
2022-11-02 14:45:22 +08:00
committed by finley
parent 624f7c7926
commit 66ac97103e
1 changed files with 4 additions and 4 deletions
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8
datastruct/lock/lock_map.go
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@@ -131,9 +131,9 @@ func (locks *Locks) RUnLocks(keys ...string) {
func (locks *Locks) RWLocks(writeKeys []string, readKeys []string) { func (locks *Locks) RWLocks(writeKeys []string, readKeys []string) {
keys := append(writeKeys, readKeys...) keys := append(writeKeys, readKeys...)
indices := locks.toLockIndices(keys, false) indices := locks.toLockIndices(keys, false)
writeIndices := locks.toLockIndices(writeKeys, false)
writeIndexSet := make(map[uint32]struct{}) writeIndexSet := make(map[uint32]struct{})
for _, idx := range writeIndices { for _, wKey := range writeKeys {
idx := locks.spread(fnv32(wKey))
writeIndexSet[idx] = struct{}{} writeIndexSet[idx] = struct{}{}
} }
for _, index := range indices { for _, index := range indices {
@@ -151,9 +151,9 @@ func (locks *Locks) RWLocks(writeKeys []string, readKeys []string) {
func (locks *Locks) RWUnLocks(writeKeys []string, readKeys []string) { func (locks *Locks) RWUnLocks(writeKeys []string, readKeys []string) {
keys := append(writeKeys, readKeys...) keys := append(writeKeys, readKeys...)
indices := locks.toLockIndices(keys, true) indices := locks.toLockIndices(keys, true)
writeIndices := locks.toLockIndices(writeKeys, true)
writeIndexSet := make(map[uint32]struct{}) writeIndexSet := make(map[uint32]struct{})
for _, idx := range writeIndices { for _, wKey := range writeKeys {
idx := locks.spread(fnv32(wKey))
writeIndexSet[idx] = struct{}{} writeIndexSet[idx] = struct{}{}
} }
for _, index := range indices { for _, index := range indices {