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Re: A recent patch increased GCC's memory consumption in some cases!
- From: Andrew Pinski <pinskia at gmail dot com>
- To: gcctest at suse dot de
- Cc: jh at suse dot cz, gcc-regression at gcc dot gnu dot org
- Date: Mon, 20 Nov 2006 23:57:33 -0800
- Subject: Re: A recent patch increased GCC's memory consumption in some cases!
- References: <456235B0.mailBPT11BZ5J@suse.de>
On Mon, 2006-11-20 at 23:09 +0000, gcctest@suse.de wrote:
> Hi,
>
> I am a friendly script caring about memory consumption in GCC. Please
> contact jh@suse.cz if something is going wrong.
>
> Comparing memory consumption on compilation of combine.i, insn-attrtab.i,
> and generate-3.4.ii I got:
This one was most likely mine:
> comparing insn-attrtab.c compilation at -O2 level:
> Ovarall memory allocated via mmap and sbrk decreased from 129382k to 124570k, overall -3.86%
> Overall memory needed: 129382k -> 124570k
> Peak memory use before GGC: 92604k
> Peak memory use after GGC: 84716k
> Maximum of released memory in single GGC run: 30395k
> Garbage: 317213k
> Leak: 9359k
> Overhead: 36375k
> GGC runs: 245
-- Pinski