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Subject: Re: Crafty behavior on my dual core AMD ?

Author: James T. Walker

Date: 06:16:48 11/06/05

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On November 06, 2005 at 09:06:50, Ray Banks wrote:

>On November 06, 2005 at 08:11:03, James T. Walker wrote:
>
>>I'm looking at Crafty 19.01 running in Fritz GUI and also the Windows Task
>>Manager.  With Ponder off and 1 cpu selected, the bottom of the task manager
>>screen shows "CPU usage 50%" (as expected).  But looking at the 2 graphs (1 for
>>each cpu) it looks like Crafty is using both cpus but around the 50% level.  In
>>other words instead of one cpu showing the line at the top for full usage it's
>>showing both cpu graphs at about the 50% level.  Seems strange to me.  Can
>>anyone else confirm this?  Is this normal?
>>Jim
>
>Quite normal. The O/S is splitting the load across the processors.
>You van achieve what you describe by setting processor affinity from task
>manager

Thanks for the info.  It seems that setting the afinity also improves my Fritz
Mark slightly.  I guess it saves time by not switching from one cpu to the other
all the time.



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