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Re: cfg_cleanup speedup

To: Brad Lucier <lucier at math dot purdue dot edu>
Subject: Re: cfg_cleanup speedup
From: Jan Hubicka <jh at suse dot cz>
Date: Thu, 18 Oct 2001 13:05:56 +0200
Cc: gcc-patches at gcc dot gnu dot org
References: <20011017233906.H28110@atrey.karlin.mff.cuni.cz> <200110180148.f9I1mVu27026@banach.math.purdue.edu>

> It reduces it somewhat, but not a lot:
> 
>  cfg cleanup           :  28.74 (18%) usr   0.00 ( 0%) sys  28.81 (18%) wall
>  ...
>  TOTAL                 : 155.48             4.34           160.00
Hmm, thats not that bad - it cuts it into similar numbers as 3.0.x jump
passes do and I can squeeze out a lot more by limiting the crossjumping that
now takes important portion of time for -O1.

Honza
> 
> Brad

References:
- cfg_cleanup speedup
  - From: Jan Hubicka
- Re: cfg_cleanup speedup
  - From: Brad Lucier

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