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Re: GCC viciously beaten by ICC in trig test!
- From: Paolo Carlini <pcarlini at suse dot de>
- To: Scott Robert Ladd <coyote at coyotegulch dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 15 Mar 2004 01:12:09 +0100
- Subject: Re: GCC viciously beaten by ICC in trig test!
- References: <4054ED19.8020009@coyotegulch.com>
Scott Robert Ladd wrote:
I look forward to illumination (or at least some bright ideas!)
I don't have ready at hand tree-ssa but I have lno-branch and the below
are my numbers (P4-2400)
(-O2 -std=c99 -fomit-frame-pointer -ftree-loop-optimize -fscalar-evolutions
-funroll-loops)
paolo:~/Work> time a.out
r = 100000000.000000
0.210u 0.000s 0:00.21 100.0% 0+0k 0+0io 100pf+0w
Pretty good ;)
Paolo.
P.S. For comparison, mainline and your exact flags give here:
14.950u 0.010s 0:15.00 99.7% 0+0k 0+0io 98pf+0w