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Re: tree-ssa memory and compile-time regressions
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Richard Guenther <rguenth at tat dot physik dot uni-tuebingen dot de>
- Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Thu, 08 Jan 2004 10:00:32 -0500
- Subject: Re: tree-ssa memory and compile-time regressions
- Organization: Red Hat Canada
- References: <Pine.LNX.4.53.0401081510250.4680@bellatrix.tat.physik.uni-tuebingen.de>
On Thu, 2004-01-08 at 09:53, Richard Guenther wrote:
> -O0 220MB, 0m17s
> -O1 260MB, 0m24s
> -O2 800MB, 7m35s (-ftime-report on a faster machine attached below)
> -O2 -fno-unit-at-a-time 260MB, 0m28s
>
Hmm, based on what the time report says, could you try with
-fno-tree-pre?
Thanks. Diego.