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path: root/Godeps/_workspace/src/github.com/syndtr/goleveldb/leveldb/memdb/bench_test.go
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// 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][:])
    }
}