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| author | Robert Griesemer <gri@golang.org> | 2017-02-28 11:52:43 -0800 |
|---|---|---|
| committer | Robert Griesemer <gri@golang.org> | 2017-02-28 20:55:13 +0000 |
| commit | 83bc4a2feed1c7dc37026278364772483fe73618 (patch) | |
| tree | 102ab5f8458a3e21bca97b4d3986a7cd2ca44e6b /src/os/exec/exec.go | |
| parent | 9515cb511a1210e013c26354ea09e786acd61365 (diff) | |
| download | go-83bc4a2feed1c7dc37026278364772483fe73618.tar.xz | |
math/bits: faster LeadingZeros and Len functions
benchmark old ns/op new ns/op delta
BenchmarkLeadingZeros-8 8.43 3.10 -63.23%
BenchmarkLeadingZeros8-8 8.13 1.33 -83.64%
BenchmarkLeadingZeros16-8 7.34 2.07 -71.80%
BenchmarkLeadingZeros32-8 7.99 2.87 -64.08%
BenchmarkLeadingZeros64-8 8.13 2.96 -63.59%
Measured on 2.3 GHz Intel Core i7 running macOS 10.12.3.
Change-Id: Id343531b408d42ac45f10c76f60e85bdb977f91e
Reviewed-on: https://go-review.googlesource.com/37582
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Diffstat (limited to 'src/os/exec/exec.go')
0 files changed, 0 insertions, 0 deletions