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Re: PURESIZE increased (again)

From: Reiner Steib
Subject: Re: PURESIZE increased (again)
Date: Thu, 27 Apr 2006 23:56:12 +0200
User-agent: Gnus/5.110005 (No Gnus v0.5) Emacs/22.0.50 (gnu/linux)

On Thu, Apr 27 2006, Eli Zaretskii wrote:

> These results are very strange indeed.  I've built today's CVS on an
> x86_64 box (Red Hat GNU/Linux) in 3 different ways: with GTK, with
> Motif and with Lucid, and they all needed only 1881740 bytes, give or
> take a few dozen bytes.

My build was with GTK (on SUSE 9.2 GNU/Linux).

> How come your build requires a whopping 275KB more?
> Comparison of your GDB session with mine shows that each time a .el
> file is loaded, it uses up the exact same amount of pure storage in
> your build as in mine.  But every .elc file takes more pure storage on
> your machine, sometimes only by 1KB, sometimes by as much as 20KB.

Thanks for your investigations.

> Do you have some local changes on your system, or is this a plain
> "make bootstrap" of the CVS checkout, with all the defaults wrt
> compiler switches, libraries, etc.?

It was without "bootstrap".  I've set
MYCPPFLAGS='-DENABLE_CHECKING=1'.  I use the same source tree for
x86_64 and i686 with different exec-prefix:

  configure --prefix=[...]/HEAD --with-gtk \
    --exec-prefix=[...]/HEAD-`uname -m`

> (Not that I see how local changes to anything but the Lisp files
> themselves could produce such bloat.)
> Does anyone have ideas as to what could cause such a significant
> difference in pure storage use on two identical architectures?

I have some (minor, IMHO) local changes.  I will try tomorrow without
any local changes and report back again.

Bye, Reiner.
      (o o)
---ooO-(_)-Ooo---  |  PGP key available  |  http://rsteib.home.pages.de/

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