sort: cut 140 seconds off race build tests

No coverage is gained by running the 1e6 versions of the test over the
1e4 versions. It just adds 140 seconds of race overhead time.

Updates #17104

Change-Id: I41408aedae34a8b1a148eebdda20269cdefffba3
Reviewed-on: https://go-review.googlesource.com/29159
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>

diff --git a/src/sort/sort_test.go b/src/sort/sort_test.go
index 60fac2d695180aadaf2bd1624715bafa8d311f00..10a2c19684855a54f36ebeb805bc9be82e7441e8 100644 (file)
--- a/src/sort/sort_test.go
+++ b/src/sort/sort_test.go
@@ -6,10 +6,12 @@ package sort_test
 
 import (
        "fmt"
+       "internal/testenv"
        "math"
        "math/rand"
        . "sort"
        "strconv"
+       stringspkg "strings"
        "testing"
 )
 
@@ -555,6 +557,9 @@ func TestCountStableOps(t *testing.T) { countOps(t, Stable, "Stable") }
 func TestCountSortOps(t *testing.T)   { countOps(t, Sort, "Sort  ") }
 
 func bench(b *testing.B, size int, algo func(Interface), name string) {
+       if stringspkg.HasSuffix(testenv.Builder(), "-race") && size > 1e4 {
+               b.Skip("skipping slow benchmark on race builder")
+       }
        b.StopTimer()
        data := make(intPairs, size)
        x := ^uint32(0)