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Re: 3.2 vs 3.1 speed

From: Dan Nicolaescu <dann at godzilla dot ICS dot UCI dot EDU>
To: "Kaveh R. Ghazi" <ghazi at caip dot rutgers dot edu>
Cc: gcc at gcc dot gnu dot org
Date: Wed, 05 Jun 2002 18:28:34 -0700
Subject: Re: 3.2 vs 3.1 speed
References: <200206041838.aa10762@gremlin-relay.ics.uci.edu><200206060112.VAA28057@caip.rutgers.edu>

"Kaveh R. Ghazi" <ghazi@caip.rutgers.edu> writes:

  >  > From: Dan Nicolaescu <dann@godzilla.ICS.UCI.EDU> 
  >  > 
  >  > I did a little test on the speed of 3.2 and 3.1 using the example
  >  > posted earlier today on a Sparc machine with 1GB RAM. 
  >  > 3.2 was last updated on May 25. 
  >  > 
  >  > 3.2 is _slower_ than 3.1 at compiling the same preprocessed file. 
  >  > 
  >  > It looks like the main reasons for the speed decrease are: garbage
  >  > collection, expand and scheduling. 
  > 
  > You did remember to configure 3.2 with --disable-checking right?

Yep.

References:
- 3.2 vs 3.1 speed
  - From: Dan Nicolaescu
- Re: 3.2 vs 3.1 speed
  - From: Kaveh R. Ghazi

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