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bug#40634: Massive pattern list handling with -E format seems very slow


From: Norihiro Tanaka
Subject: bug#40634: Massive pattern list handling with -E format seems very slow since 2.28.
Date: Fri, 17 Apr 2020 07:53:12 +0900

On Thu, 16 Apr 2020 09:31:32 -0700
Paul Eggert <address@hidden> wrote:

> On 4/15/20 11:56 PM, Norihiro Tanaka wrote:
> 
> > It seems to a lot of time is spent in dfa.c:replace().
> > It was added at d6df3873c7abc243683d0e8fccbfde4e76f23e53 in gnulib.
> 
> It would be pretty drastic to revert that patch. Is there some better way to 
> move forward?

I have had no idea to solve the problem yet.  If we revert it, bug#33357
will come back.






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