From: Brandon Williams <bmwill@google.com>
Date: Fri, 12 May 2017 17:35:27 GMT
Subject: Re: [PATCH 1/7] grep: don't redundantly compile throwaway patterns under threading
Message-ID: <20170512173527.GD98586@google.com>
In-Reply-To: <20170511170142.15934-2-avarab@gmail.com>

On 05/11, Ævar Arnfjörð Bjarmason wrote:
> Change the pattern compilation logic under threading so that grep
> doesn't compile a pattern it never ends up using on the non-threaded
> code path, only to compile it again N times for N threads which will
> each use their own copy, ignoring the initially compiled pattern.

Is there a reason each thread needs to compile the patterns as opposed
to them being compiled a single time and being copies N time for N
threads?

-- 
Brandon Williams