Author: Robert Hyatt
Date: 18:11:39 08/06/03
Go up one level in this thread
On August 06, 2003 at 07:04:06, Alejandro Dubrovsky wrote: >On August 05, 2003 at 14:16:18, Robert Hyatt wrote: > >>On August 05, 2003 at 13:02:50, Albert Silver wrote: >> >>>On August 05, 2003 at 11:15:41, Robert Hyatt wrote: >>> >>>>On August 05, 2003 at 10:45:41, Ricardo Gibert wrote: >>>> >>>>>On August 05, 2003 at 09:53:26, Robert Hyatt wrote: >> >> >> >>For me, using an intel xeon processor, gcc is 20-25% behind MSVC. The Intel >>compiler is less than 10% slower for me. I can't give numbers for AMD >>processors. > >Yes, i have read from one of the gcc developers that the P4 should be the >comparatively worst processor for gcc compared to the rest of the compilers >because they don't do proper instruction scheduling. he blamed this on intel >docs. So what kind of Xeon was this? P3 or P4 based? > >alejandro PIII and PIV. My quad 700 was a PIII. My dual 2.8 is a PIV xeon. icc is faster for both. It has been since version 6.0 came out. 7.0 is not really any faster that I can tell. Note that this is with profile-guided optimizations.
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