diff options
| author | Egon Elbre <egonelbre@gmail.com> | 2015-11-17 16:51:23 +0200 |
|---|---|---|
| committer | Brad Fitzpatrick <bradfitz@golang.org> | 2016-04-26 21:59:50 +0000 |
| commit | e607abbfd6e0550c13f4fa7b666d033eb9b14759 (patch) | |
| tree | 928cf2b0a6713490c0a8dcf9510cbc5b6c19a3f6 /src/cmd | |
| parent | 6e4a8615f652a2020471622354be6d890404020c (diff) | |
| download | go-e607abbfd6e0550c13f4fa7b666d033eb9b14759.tar.xz | |
unicode: improve SimpleFold performance for ascii
This change significantly speeds up case-insensitive regexp matching.
benchmark old ns/op new ns/op delta
BenchmarkMatchEasy0i_32-8 2690 1473 -45.24%
BenchmarkMatchEasy0i_1K-8 80404 42269 -47.43%
BenchmarkMatchEasy0i_32K-8 3272187 2076118 -36.55%
BenchmarkMatchEasy0i_1M-8 104805990 66503805 -36.55%
BenchmarkMatchEasy0i_32M-8 3360192200 2126121600 -36.73%
benchmark old MB/s new MB/s speedup
BenchmarkMatchEasy0i_32-8 11.90 21.72 1.83x
BenchmarkMatchEasy0i_1K-8 12.74 24.23 1.90x
BenchmarkMatchEasy0i_32K-8 10.01 15.78 1.58x
BenchmarkMatchEasy0i_1M-8 10.00 15.77 1.58x
BenchmarkMatchEasy0i_32M-8 9.99 15.78 1.58x
Issue #13288
Change-Id: I94af7bb29e75d60b4f6ee760124867ab271b9642
Reviewed-on: https://go-review.googlesource.com/16943
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Diffstat (limited to 'src/cmd')
0 files changed, 0 insertions, 0 deletions