libgo/go/runtime/internal/atomic/bench_test.go


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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package atomic_test

import (
	"runtime/internal/atomic"
	"testing"
)

var sink interface{}

func BenchmarkAtomicLoad64(b *testing.B) {
	var x uint64
	sink = &x
	for i := 0; i < b.N; i++ {
		_ = atomic.Load64(&x)
	}
}

func BenchmarkAtomicStore64(b *testing.B) {
	var x uint64
	sink = &x
	for i := 0; i < b.N; i++ {
		atomic.Store64(&x, 0)
	}
}