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74a9bad638
performance: benchmark old ns/op new ns/op delta BenchmarkDivconstI64-8 8.28 2.70 -67.39% BenchmarkDivconstU64-8 8.28 4.69 -43.36% BenchmarkDivconstI32-8 8.28 6.39 -22.83% BenchmarkDivconstU32-8 8.28 4.43 -46.50% BenchmarkDivconstI16-8 5.17 5.17 +0.00% BenchmarkDivconstU16-8 5.33 5.34 +0.19% BenchmarkDivconstI8-8 3.50 3.50 +0.00% BenchmarkDivconstU8-8 3.51 3.50 -0.28% Fixes #15382 Change-Id: Ibce7b28f0586d593b33c4d4ecc5d5e7e7c905d13 Reviewed-on: https://go-review.googlesource.com/22292 Reviewed-by: Michael Munday <munday@ca.ibm.com> Reviewed-by: David Chase <drchase@google.com>
73 lines
1.1 KiB
Go
73 lines
1.1 KiB
Go
// Copyright 2016 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 go1
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import (
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"testing"
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)
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var i64res int64
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func BenchmarkDivconstI64(b *testing.B) {
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for i := 0; i < b.N; i++ {
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i64res = int64(i) / 7
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}
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}
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var u64res uint64
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func BenchmarkDivconstU64(b *testing.B) {
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for i := 0; i < b.N; i++ {
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u64res = uint64(i) / 7
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}
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}
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var i32res int32
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func BenchmarkDivconstI32(b *testing.B) {
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for i := 0; i < b.N; i++ {
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i32res = int32(i) / 7
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}
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}
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var u32res uint32
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func BenchmarkDivconstU32(b *testing.B) {
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for i := 0; i < b.N; i++ {
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u32res = uint32(i) / 7
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}
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}
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var i16res int16
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func BenchmarkDivconstI16(b *testing.B) {
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for i := 0; i < b.N; i++ {
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i16res = int16(i) / 7
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}
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}
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var u16res uint16
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func BenchmarkDivconstU16(b *testing.B) {
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for i := 0; i < b.N; i++ {
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u16res = uint16(i) / 7
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}
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}
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var i8res int8
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func BenchmarkDivconstI8(b *testing.B) {
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for i := 0; i < b.N; i++ {
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i8res = int8(i) / 7
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}
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}
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var u8res uint8
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func BenchmarkDivconstU8(b *testing.B) {
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for i := 0; i < b.N; i++ {
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u8res = uint8(i) / 7
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}
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}
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