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| author | Roger Peppe <rogpeppe@gmail.com> | 2011-03-03 11:26:53 -0800 |
|---|---|---|
| committer | Rob Pike <r@golang.org> | 2011-03-03 11:26:53 -0800 |
| commit | da833474f57150a98d73c10df214a6364d475c5c (patch) | |
| tree | de0f35d8a908af740b75ac5b630f4c1008e188cb | |
| parent | 5bd284e86840eba5e4ace473a3f7341a40332db6 (diff) | |
| download | go-da833474f57150a98d73c10df214a6364d475c5c.tar.gz go-da833474f57150a98d73c10df214a6364d475c5c.zip | |
testing: run GC before each benchmark run.
R=r, rh, gri, rsc
CC=golang-dev
https://golang.org/cl/4237055
| -rw-r--r-- | src/pkg/testing/benchmark.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/pkg/testing/benchmark.go b/src/pkg/testing/benchmark.go index 8c226c4d41..cf73e2b48f 100644 --- a/src/pkg/testing/benchmark.go +++ b/src/pkg/testing/benchmark.go @@ -8,6 +8,7 @@ import ( "flag" "fmt" "os" + "runtime" "time" ) @@ -64,6 +65,9 @@ func (b *B) nsPerOp() int64 { // runN runs a single benchmark for the specified number of iterations. func (b *B) runN(n int) { + // Try to get a comparable environment for each run + // by clearing garbage from previous runs. + runtime.GC() b.N = n b.ResetTimer() b.StartTimer() |