Author: Robert Hyatt
Date: 17:33:37 03/22/04
Go up one level in this thread
On March 22, 2004 at 05:24:22, Dragon wrote: >On March 20, 2004 at 22:56:53, Robert Hyatt wrote: > >>On March 19, 2004 at 08:41:02, Dragon wrote: >> >>>Hi, >>> >>>I posted on Arena Forum a test on Crafty SMP 1 and 2. >>>I have P4C 3.2Ghz/Motherboard P4C800EDL and Windows XP Home. >>> >>>My test shows that I have about the same result with the command >>>"bench" with HT=on. >>> >>>I read on the net that XP Home can do Hyperthreading. >>> >>>Why I have not the same good result than others persons with HT ? >>>I think that all is perfect with my HT. I have two cpus screens >>>in my "task manager" and I have the option on my motherboard. >>> >>>Somebody can say to me where I am wrong ? >>> >>>Bruno LUCAS >> >> >>did you add mt=2 to tell crafty to use a second thread??? >> >>If not it will only use 1... > >Yes ! I use mt=2. Crafty says [2 cpus]. > >I think that Hyperthreading works because in the task manager, I have the two >screens. One for each logical procs. >This last week end. I retry the test and I have always the same result. >I use Crafty-1910 SMP from the site of Dan Corbit. > >Bruno LUCAS start crafty. No .craftyrc file at all. Type "bench" and record the NPS. restart. Type "mt=2" and "bench". NPS should rise by 30% or so...
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