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Re: [Grep-devel] regex and __glibc_unlikely
From: |
arnold |
Subject: |
Re: [Grep-devel] regex and __glibc_unlikely |
Date: |
Mon, 17 Dec 2018 00:17:07 -0700 |
User-agent: |
Heirloom mailx 12.5 7/5/10 |
Paul Eggert <address@hidden> wrote:
> address@hidden wrote:
> > Is there any chance (Paul?) of reevaluating, and hopefully removing!, all
> > the __glibc_unlikely stuff from regex?
>
> There's a chance, but it probably shouldn't happen until after the next glibc
> release since we're close to a freeze.
>
> We'll need benchmarks to argue that the change won't affect performance
> significantly in glibc.
Do you have benchmarks you've used in the past? Or anything that I can
try with gawk? I can run existing tests; I don't have the cycles to
create tests.
I will correspond with you (Paul) some more about this off list, later.
Thanks,
Arnold