testing: be explicit about use of b.N

R=golang-dev, minux.ma CC=golang-dev https://golang.org/cl/7314071
2013-02-09 13:43:15 -05:00 · 2013-02-09 13:43:15 -05:00 · 6600092527
parent e1c309e792
commit 6600092527
1 changed files with 1 additions and 0 deletions
--- a/src/pkg/testing/testing.go
+++ b/src/pkg/testing/testing.go
@ -33,6 +33,7 @@
 //         }
 //     }
 //
+// The benchmark function must run the target code b.N times.
 // The benchmark package will vary b.N until the benchmark function lasts
 // long enough to be timed reliably.  The output
 //     BenchmarkHello    10000000    282 ns/op