unneeded clocking from lru cache

phuslu · Mar 30, 2024 · 7772829 · 7772829
1 parent 2c28769
commit 7772829
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Showing 2 changed files with 2 additions and 4 deletions.
diff --git a/lru_cache.go b/lru_cache.go
@@ -4,7 +4,6 @@
 package lru
 
 import (
-	"sync/atomic"
 	"unsafe"
 )
 
@@ -133,9 +132,8 @@ func (c *LRUCache[K, V]) Len() int {
 
 // AppendKeys appends all keys to keys and return the keys.
 func (c *LRUCache[K, V]) AppendKeys(keys []K) []K {
-	now := atomic.LoadUint32(&clock)
 	for i := uint32(0); i <= c.mask; i++ {
-		keys = c.shards[i].AppendKeys(keys, now)
+		keys = c.shards[i].AppendKeys(keys)
 	}
 	return keys
 }

diff --git a/lru_shard.go b/lru_shard.go
@@ -171,7 +171,7 @@ func (s *lrushard[K, V]) Len() (n uint32) {
 	return
 }
 
-func (s *lrushard[K, V]) AppendKeys(dst []K, now uint32) []K {
+func (s *lrushard[K, V]) AppendKeys(dst []K) []K {
 	s.mu.Lock()
 	for _, bucket := range s.table_buckets {
 		b := (*lrubucket)(unsafe.Pointer(&bucket))