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Re: [PATCH] Speed up intersect_loc_chains (PR debug/41371)
- From: Steven Bosscher <stevenb dot gcc at gmail dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: Richard Guenther <rguenther at suse dot de>, Alexandre Oliva <aoliva at redhat dot com>, gcc-patches at gcc dot gnu dot org
- Date: Tue, 25 May 2010 17:59:01 +0200
- Subject: Re: [PATCH] Speed up intersect_loc_chains (PR debug/41371)
- References: <20100525160734.GJ10293@tyan-ft48-01.lab.bos.redhat.com>
On Tue, May 25, 2010 at 6:07 PM, Jakub Jelinek <jakub@redhat.com> wrote:
> Hi!
>
> This patch speeds up a little bit var-tracking on PR41371 testcase:
> time ./cc1plus -g -O2 bug90.cc -quiet
> with a --enable-checking=release x86_64-linux gcc went down from:
> real ? ?4m52.484s
> user ? ?4m51.991s
> sys ? ? 0m0.446s
>
> to:
>
> real ? ?3m38.218s
> user ? ?3m37.641s
> sys ? ? 0m0.383s
That is not a little bit. Thanks!
Ciao!
Steven