Hulk did something

[bytom/vapor.git] / vendor / github.com / syndtr / goleveldb / leveldb / cache / bench_test.go

diff --git a/vendor/github.com/syndtr/goleveldb/leveldb/cache/bench_test.go b/vendor/github.com/syndtr/goleveldb/leveldb/cache/bench_test.go
new file mode 100644 (file)
index 0000000..89aef69
--- /dev/null
+++ b/vendor/github.com/syndtr/goleveldb/leveldb/cache/bench_test.go
@@ -0,0 +1,29 @@
+// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
+// All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package cache
+
+import (
+       "math/rand"
+       "testing"
+       "time"
+)
+
+func BenchmarkLRUCache(b *testing.B) {
+       c := NewCache(NewLRU(10000))
+
+       b.SetParallelism(10)
+       b.RunParallel(func(pb *testing.PB) {
+               r := rand.New(rand.NewSource(time.Now().UnixNano()))
+
+               for pb.Next() {
+                       key := uint64(r.Intn(1000000))
+                       c.Get(0, key, func() (int, Value) {
+                               return 1, key
+                       }).Release()
+               }
+       })
+}