Messages in this thread | | | Date | Wed, 3 Jan 2007 18:06:09 +0100 (CET) | From | l.genoni@oltrelin ... | Subject | Re: kernel + gcc 4.1 = several problems |
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Just to make clearer why I am so curious, this from X86_64 X2 3800+:
DarkStar:{venom}:/tmp> gcc -DCMOV -Wall -O2 t.c DarkStar:{venom}:/tmp>time ./a.out 600000000
real 0m0.151s user 0m0.150s sys 0m0.000s DarkStar:{venom}:/tmp> gcc -Wall -O2 t.c DarkStar:{venom}:/tmp> time ./a.out 600000000
real 0m0.176s user 0m0.180s sys 0m0.000s DarkStar:{venom}:/tmp>gcc -m32 -DCMOV -Wall -O2 t.c DarkStar:{venom}:/tmp>time ./a.out 600000000
real 0m0.152s user 0m0.160s sys 0m0.000s DarkStar:{venom}:/tmp>gcc -m32 -Wall -O2 t.c DarkStar:{venom}:/tmp>time ./a.out 600000000
real 0m0.200s user 0m0.200s sys 0m0.000s
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