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bytes: cut 10 seconds off the race builder's benchmark test

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Don't benchmark so many sizes during the race builder's benchmark run.

This package doesn't even use goroutines.

Cuts off 10 seconds.

Updates #17104

Change-Id: Ibb2c7272c18b9014a775949c656a5b930f197cd4
Reviewed-on: https://go-review.googlesource.com/29158
Reviewed-by: David Crawshaw <crawshaw@golang.org>
This commit is contained in:
Brad Fitzpatrick 2016-09-14 18:03:26 +00:00
parent f09d0458d3
commit 9a7ce41d6c
1 changed files with 7 additions and 0 deletions
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7
src/bytes/bytes_test.go
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@ -7,8 +7,10 @@ package bytes_test
import (
. "bytes"
"fmt"
"internal/testenv"
"math/rand"
"reflect"
"strings"
"testing"
"unicode"
"unicode/utf8"
@ -384,6 +386,9 @@ func valName(x int) string {
func benchBytes(b *testing.B, sizes []int, f func(b *testing.B, n int)) {
for _, n := range sizes {
if isRaceBuilder && n > 4<<10 {
continue
}
b.Run(valName(n), func(b *testing.B) {
if len(bmbuf) < n {
bmbuf = make([]byte, n)
@ -396,6 +401,8 @@ func benchBytes(b *testing.B, sizes []int, f func(b *testing.B, n int)) {
var indexSizes = []int{10, 32, 4 << 10, 4 << 20, 64 << 20}
var isRaceBuilder = strings.HasSuffix(testenv.Builder(), "-race")
func BenchmarkIndexByte(b *testing.B) {
benchBytes(b, indexSizes, bmIndexByte(IndexByte))
}