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Re: [tree-ssa] more experiments with disabling RTL passes for tree-ssa
- From: Steven Bosscher <stevenb at suse dot de>
- To: Paolo Carlini <pcarlini at suse dot de>
- Cc: gcc at gcc dot gnu dot org
- Date: Wed, 7 Apr 2004 00:38:59 +0200
- Subject: Re: [tree-ssa] more experiments with disabling RTL passes for tree-ssa
- Organization: SUSE Labs
- References: <200404062350.46828.stevenb@suse.de> <40732D8A.2000803@suse.de>
On Wednesday 07 April 2004 00:22, Paolo Carlini wrote:
> Steven Bosscher wrote:
> >I SPEC tested the attached patch and got better performance
> >results than the ones I posted, while compile time is still
> >a _lot_ faster than tree-ssa unpatched.
>
> No numbers?!?
Alright already!!!
Compile time is -12%, which is the same as with the flags.
Ratios:
clean: -O2 -mtune=athlon-xp
flags: -O2 -mtune=athlon-xp -fno-gcse --param max-cse-path-length=0
(ie. Saturday's results)
patch: -O2 -mtune=athlon-xp with patch applied.
clean patch flags
164.gzip 635 638 657
175.vpr 353 341 351
181.mcf 251 251 252
186.crafty 775 784 788
197.parser 436 436 434
253.perlbmk 801 830 782
254.gap 595 592 591
255.vortex 781 779 737
256.bzip2 465 463 636
300.twolf 383 386 384
Gr.
Steven