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Re: [patch] more bitmap obstacks
- From: Richard Guenther <richard dot guenther at gmail dot com>
- To: Steven Bosscher <stevenb dot gcc at gmail dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 17 Aug 2012 10:25:55 +0200
- Subject: Re: [patch] more bitmap obstacks
- References: <CABu31nP44LK-VxnCCLAMQrbELyndE1udEDgZk4-=yLNKJrt_MA@mail.gmail.com>
On Fri, Aug 17, 2012 at 9:03 AM, Steven Bosscher <stevenb.gcc@gmail.com> wrote:
> Hello,
>
> This reduces peak memory usage for the small test case of PR54146 by
> 2GB. 24hrs ago peak memory was 9.4 GB in top, but with Richi's patches
> from yesterday and with this one, peak memory is now "only" 5.2GB.
> About 40% of that is in IRA and reload so there is still room for
> improvement, but cutting peak mem almost in half in one day is not a
> bad result :-)
>
> Bootstrapped&tested on x86_64-unknown-linux-gnu. OK for trunk?
Ok.
Thanks,
Richard.
> Ciao!
> Steven