diff options
| author | Dmitriy Vyukov <dvyukov@google.com> | 2011-07-18 12:35:55 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2011-07-18 12:35:55 -0400 |
| commit | ee6e1a3ff77a41eff5a606a5aa8c46bf8b571a13 (patch) | |
| tree | 287eb158c2214b1ae7d77677bbaebe7f1f099234 /src/pkg/debug | |
| parent | 92c6061b5cc214fb7863c1af11cb8581ecb97769 (diff) | |
| download | go-ee6e1a3ff77a41eff5a606a5aa8c46bf8b571a13.tar.xz | |
sync: add fast paths to WaitGroup
benchmark old ns/op new ns/op delta
BenchmarkWaitGroupUncontended 93.50 33.60 -64.06%
BenchmarkWaitGroupUncontended-2 44.30 16.90 -61.85%
BenchmarkWaitGroupUncontended-4 21.80 8.47 -61.15%
BenchmarkWaitGroupUncontended-8 12.10 4.86 -59.83%
BenchmarkWaitGroupUncontended-16 7.38 3.35 -54.61%
BenchmarkWaitGroupAddDone 58.40 33.70 -42.29%
BenchmarkWaitGroupAddDone-2 293.00 85.80 -70.72%
BenchmarkWaitGroupAddDone-4 243.00 51.10 -78.97%
BenchmarkWaitGroupAddDone-8 236.00 52.20 -77.88%
BenchmarkWaitGroupAddDone-16 215.00 43.30 -79.86%
BenchmarkWaitGroupAddDoneWork 826.00 794.00 -3.87%
BenchmarkWaitGroupAddDoneWork-2 450.00 424.00 -5.78%
BenchmarkWaitGroupAddDoneWork-4 277.00 220.00 -20.58%
BenchmarkWaitGroupAddDoneWork-8 440.00 116.00 -73.64%
BenchmarkWaitGroupAddDoneWork-16 569.00 66.50 -88.31%
BenchmarkWaitGroupWait 29.00 8.04 -72.28%
BenchmarkWaitGroupWait-2 74.10 4.15 -94.40%
BenchmarkWaitGroupWait-4 117.00 2.30 -98.03%
BenchmarkWaitGroupWait-8 111.00 1.31 -98.82%
BenchmarkWaitGroupWait-16 104.00 1.27 -98.78%
BenchmarkWaitGroupWaitWork 802.00 792.00 -1.25%
BenchmarkWaitGroupWaitWork-2 411.00 401.00 -2.43%
BenchmarkWaitGroupWaitWork-4 210.00 199.00 -5.24%
BenchmarkWaitGroupWaitWork-8 206.00 105.00 -49.03%
BenchmarkWaitGroupWaitWork-16 334.00 54.40 -83.71%
R=rsc
CC=golang-dev
https://golang.org/cl/4672050
Diffstat (limited to 'src/pkg/debug')
0 files changed, 0 insertions, 0 deletions