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vendor/github.com/syndtr/goleveldb/leveldb/memdb/bench_test.go

@@ -0,0 +1,75 @@
+// 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 memdb
+
+import (
+	"encoding/binary"
+	"math/rand"
+	"testing"
+
+	"github.com/syndtr/goleveldb/leveldb/comparer"
+)
+
+func BenchmarkPut(b *testing.B) {
+	buf := make([][4]byte, b.N)
+	for i := range buf {
+		binary.LittleEndian.PutUint32(buf[i][:], uint32(i))
+	}
+
+	b.ResetTimer()
+	p := New(comparer.DefaultComparer, 0)
+	for i := range buf {
+		p.Put(buf[i][:], nil)
+	}
+}
+
+func BenchmarkPutRandom(b *testing.B) {
+	buf := make([][4]byte, b.N)
+	for i := range buf {
+		binary.LittleEndian.PutUint32(buf[i][:], uint32(rand.Int()))
+	}
+
+	b.ResetTimer()
+	p := New(comparer.DefaultComparer, 0)
+	for i := range buf {
+		p.Put(buf[i][:], nil)
+	}
+}
+
+func BenchmarkGet(b *testing.B) {
+	buf := make([][4]byte, b.N)
+	for i := range buf {
+		binary.LittleEndian.PutUint32(buf[i][:], uint32(i))
+	}
+
+	p := New(comparer.DefaultComparer, 0)
+	for i := range buf {
+		p.Put(buf[i][:], nil)
+	}
+
+	b.ResetTimer()
+	for i := range buf {
+		p.Get(buf[i][:])
+	}
+}
+
+func BenchmarkGetRandom(b *testing.B) {
+	buf := make([][4]byte, b.N)
+	for i := range buf {
+		binary.LittleEndian.PutUint32(buf[i][:], uint32(i))
+	}
+
+	p := New(comparer.DefaultComparer, 0)
+	for i := range buf {
+		p.Put(buf[i][:], nil)
+	}
+
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		p.Get(buf[rand.Int()%b.N][:])
+	}
+}