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Subject: Re: If you have a dual core...

Author: Peter Kasinski

Date: 10:32:08 10/30/05

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On October 30, 2005 at 11:02:23, Gregory Owett wrote:

>On October 30, 2005 at 10:06:37, Peter Kasinski wrote:
>
>>On October 30, 2005 at 07:18:11, Gregory Owett wrote:
>>
>>>The v.UCI of Shredder 9 uses only one of two processors, while his twin brother,
>>>version CB, like all the native engines, benefits 100% from the processors.
>>>Thus the second is much more interesting under CB.  I do not know if it is the
>>>same thing under other GUI.
>>>
>>>Gregory
>>
>>OK, let me try again.  Of course I assumed you were talking about the Deep
>>version, otherwise support for the second (third, fourth..) CPU is not there.
>>
>>However - for the life of me I don't know how changing the GUI helps.
>>Single-threaded engine remains single-threaded.
>>
>>On the other hand, if you are using more than one engine under CB GUI thus
>>taking advantage of both CPUs (i.e. one per each engine) then the _exact_
>>same thing is possible in Shredder GUI.  Which was what I thought I was
>>answering to.
>>
>>PK
>
>I want to say simply, that on a dual core under CB, the native single-threaded
>engines, such as F8, H9, CT15, J9, Sh9, etc...(+ Sh8 UCI, Sh7.04 UCI !) use the
>2 processors.

I don't believe this is the case. Actually, I think this is simply impossible
for single-threaded applications (engines).

I suspect that Windows task manager is confused and reports incorrectly.

PK

>All single-threaded UCI engines, which Sh9 UCI, use only one
>processor.
>
>Whether you charge one or two engines it is similar. If you make play 2 native
>eengines one against the other, obviously power off.



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