Author: Vincent Diepeveen
Date: 07:34:35 08/25/05
Go up one level in this thread
On August 24, 2005 at 15:16:34, Robert Hyatt wrote: >On August 24, 2005 at 12:05:09, Vincent Diepeveen wrote: > >>On August 24, 2005 at 08:59:28, Thomas Logan wrote: >> >>>On August 24, 2005 at 08:47:33, Vincent Diepeveen wrote: >>> >>>>On August 24, 2005 at 08:20:25, Thomas Logan wrote: >>>> >>>>>Does anyone have scaling figures for various deep programs >>>>> >>>>>and systems with 2 dual core processors >>>>> >>>>>Tom >>>> >>>>hi, i just started a test at my k7 single cpu machine >>>>to compare an output created at a quad dual core 1.8Ghz. >>>> >>>>The test is over 213 positiosn and statistical significant. >>>> >>>>I expect results within 2 weeks. >>>> >>>>You can calculate what time it takes 70 minutes * 213 positions. >>>> >>>>one thing already seems sure: >>>> >>>>x86-64 has no scaling problems with big hashtables, x86 has. >>>> >>>>Vincent >>> >>>Hello Vincent >>> >>>Thank you >>> >>>Are you using Diep ? >>> >>>Any knowledge concerning Fritz, Junior or Shredder >>>Please post your results when obtained >> >>Shredder is scaling 3.3 at quad single core, so that'll be like scaling of 4 at >>dual core quad or so? > >Don't see why. I get somewhere around 3.0 on a quad. I'm getting reasonably >close to 6 on the 8-way box. Will have lots of numbers to post later once all >the runs finish. Bob perhaps not mix scaling and speedup, they are 2 different things. >But no reason 3.3 on 4 translates to 4.0 on 8. That is hardly a straight-line >fit of anything. > > >> >>junior was single core and fritz will not be scaling well either (deepfritz8). >> >>We know all this already from 8 cpu Xeon machines in fact. See results donninger >>posted once. >> >>If you don't run well at 8 cpu xeon then forget dual core. >> >>>Thanks again >>> >>>Tom
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