65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package runtime_test
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import (
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"runtime"
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"sync"
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"sync/atomic"
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"testing"
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)
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func fin(v *int) {
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}
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func BenchmarkFinalizer(b *testing.B) {
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const CallsPerSched = 1000
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procs := runtime.GOMAXPROCS(-1)
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N := int32(b.N / CallsPerSched)
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var wg sync.WaitGroup
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wg.Add(procs)
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for p := 0; p < procs; p++ {
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go func() {
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var data [CallsPerSched]*int
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for i := 0; i < CallsPerSched; i++ {
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data[i] = new(int)
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}
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for atomic.AddInt32(&N, -1) >= 0 {
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runtime.Gosched()
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for i := 0; i < CallsPerSched; i++ {
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runtime.SetFinalizer(data[i], fin)
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}
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for i := 0; i < CallsPerSched; i++ {
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runtime.SetFinalizer(data[i], nil)
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}
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}
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wg.Done()
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}()
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}
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wg.Wait()
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}
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func BenchmarkFinalizerRun(b *testing.B) {
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const CallsPerSched = 1000
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procs := runtime.GOMAXPROCS(-1)
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N := int32(b.N / CallsPerSched)
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var wg sync.WaitGroup
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wg.Add(procs)
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for p := 0; p < procs; p++ {
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go func() {
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for atomic.AddInt32(&N, -1) >= 0 {
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runtime.Gosched()
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for i := 0; i < CallsPerSched; i++ {
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v := new(int)
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runtime.SetFinalizer(v, fin)
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}
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runtime.GC()
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}
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wg.Done()
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}()
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}
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wg.Wait()
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}
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