1 // Copyright 2016 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package atomic_test 6 7 import ( 8 "runtime/internal/atomic" 9 "testing" 10 ) 11 12 var sink interface{} 13 14 func BenchmarkAtomicLoad64(b *testing.B) { 15 var x uint64 16 sink = &x 17 for i := 0; i < b.N; i++ { 18 _ = atomic.Load64(&x) 19 } 20 } 21 22 func BenchmarkAtomicStore64(b *testing.B) { 23 var x uint64 24 sink = &x 25 for i := 0; i < b.N; i++ { 26 atomic.Store64(&x, 0) 27 } 28 } 29
