Author: Gian-Carlo Pascutto
Date: 04:23:18 08/07/03
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On August 07, 2003 at 07:15:10, Sune Fischer wrote: >On August 07, 2003 at 06:42:59, Gian-Carlo Pascutto wrote: > >>On August 07, 2003 at 05:55:13, Sune Fischer wrote: >> >>>>This means that, even when running NOT optimized software, a 2.0Ghz Opteron >>>>is _still_ FASTER THAN ANY ATHLON XP OR PENTIUM 4 ON THE MARKET. >>> >>>You seem surprised? ;) >> >>I am. I thought the Opteron was an improved Athlon XP with 64 bits stuff >>added on. >> >>But it's INSANELY fast. And also for nonnative software... > >Yes, hehe, as I've said all along - don't do tests with 32 bit binaries, those >irrelevant tests don't paint the right picture :) I agree - I had 0 porting issues and a 64 bit Deep Sjeng working instantly. But note the above, even for 32 bit software, it's still faster than anything else! (It will depend on the application as well I imagine) >Btw, I assumed you ran a pure C version of crafty, no assembly? Yes, same for Sjeng. >I guess I can't speak for Crafty, but my prog goes 30% slower without assembly. For me it's about 15-20% IIRC. The 70% is really a lower bound, but already extremely impressive. -- GCP
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