Author: Robert Hyatt
Date: 20:22:54 04/20/02
Go up one level in this thread
On April 20, 2002 at 06:16:28, Vincent Diepeveen wrote: >On April 19, 2002 at 14:21:31, Eugene Nalimov wrote: > >suppose i also run some MMX gameplaying software at the same time, >how about both programs running at the same time? :) This has nothing to do with anything. You won't get one program using MMX stuff and another program using the integer pipes. There is _one_ cpu, and _one_ process running. > >>Even today for *some* programs you can see speedup on the desktop if you'll move >>some of your computations to the otherwise idle FP units. That happened, for >>example, on some cryptographic program where bottleneck was # of multiplications >>CPU can execute simultaneously. >> >>Eugene >> >>On April 19, 2002 at 11:16:41, Vincent Diepeveen wrote: >> >>>On April 19, 2002 at 08:47:40, Roy Eassa wrote: >>> >>>>On April 18, 2002 at 21:46:43, Robert Hyatt wrote: >>>> >>>>>On April 18, 2002 at 16:33:55, Martin Andersen wrote: >>>>> >>>>>>On April 18, 2002 at 16:10:02, Sally Weltrop wrote: >>>>>> >>>>>>>A Japanese machine records the fastest "floating point" calculation >>>>>>>speed - over 35 trillion calculations per second. This is five times >>>>>>>faster than the previous record holder, IBM's ASCI White system. >>>>>>> >>>>>>>http://www.processrequest.com/apps/redir.asp?link=XbddafaeBG >>>>>> >>>>>>I'm no expert, but I don't think chess programs use floating >>>>>>point calculations. >>>>>> >>>>>>Martin >>>>> >>>>> >>>>>Only because on PC machines, integer math is faster. If FP was faster, >>>>>we'd all be using that. On some machines, it is faster.. >>>> >>>> >>>>Interesting point! Could FP be faster than integer on the desktop in the >>>>not-too-distant future? Or will that remain the domain of "big" computers for >>>>many years to come? >>> >>>not a chance that ints are slower. >>>you can see fp as 64 bits ints, >>>you can't see ints as fp though
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