59 lines
998 B
Go
59 lines
998 B
Go
// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
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// All rights reserved.
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//
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// +build !go1.2
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package leveldb
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import (
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"sync/atomic"
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"testing"
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)
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func BenchmarkDBReadConcurrent(b *testing.B) {
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p := openDBBench(b, false)
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p.populate(b.N)
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p.fill()
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p.gc()
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defer p.close()
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b.ResetTimer()
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b.SetBytes(116)
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b.RunParallel(func(pb *testing.PB) {
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iter := p.newIter()
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defer iter.Release()
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for pb.Next() && iter.Next() {
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}
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})
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}
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func BenchmarkDBReadConcurrent2(b *testing.B) {
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p := openDBBench(b, false)
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p.populate(b.N)
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p.fill()
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p.gc()
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defer p.close()
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b.ResetTimer()
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b.SetBytes(116)
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var dir uint32
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b.RunParallel(func(pb *testing.PB) {
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iter := p.newIter()
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defer iter.Release()
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if atomic.AddUint32(&dir, 1)%2 == 0 {
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for pb.Next() && iter.Next() {
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}
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} else {
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if pb.Next() && iter.Last() {
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for pb.Next() && iter.Prev() {
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}
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}
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}
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})
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}
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