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Re: profiling emacs-23.1 vs emacs-22.3


From: Dan Nicolaescu
Subject: Re: profiling emacs-23.1 vs emacs-22.3
Date: Mon, 24 Aug 2009 11:26:27 -0700 (PDT)

Kenichi Handa <address@hidden> writes:

  > In article <address@hidden>, Dan Nicolaescu <address@hidden> writes:
  > 
  > > Could you try the attached patch?  If it improves the
  > 
  > > It does improve performance:
  > 
  > How much in real time?

from 22 seconds to 19 (vs about 16 for 22.3 )


  > [...]
  > > It's still slower than 22.3 though.
  > 
  > > One big difference is then time/number of calls to mark_objects 
  > > 129733 vs 18834514, so 145 times more calls to mark_object.
  > > Do you know where do those come from?
  > 
  > > The number of Fgarbage_collect calls does not increase that much: 
  > > from 37 (for 22.3) to  43 (for 23.1).
  > 
  > It seems that c-indent-region has been changed a lot.  I'm
  > not sure, but perhaps that is the reason.  How do the other
  > people think?

I set the load path to cc-mode from 22.3, it did not make any significant
difference in the amount of mark_object and Fgarbage_collect calls.




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