Subject: Re: bug#17350: [PATCH] grep: speed up for a case to repeat failure in DFA after success in kwset

From: Paul Eggert <[email-masked]>
Date: Wed, 30 Apr 2014 07:49:13 -0700

Norihiro Tanaka wrote:
> If `narrowed' is false, don't have to seek eolbyte.

Sure, but how much does that help performance in the typical case?  The 
'narrowed' code is there purely for performance reasons, so if it 
doesn't significantly help performance, it's better to keep things 
simple and remove it.