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Seti@Home optimized science apps and information  |  Optimized Seti@Home apps  |  Windows  |  Topic: New App shows 1 CPU on my AMD chips 0 Members and 0 Guests are viewing this topic. « previous next »
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hiamps
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New App shows 1 CPU on my AMD chips
« on: 30 Apr 2008, 08:33:13 pm »

The new app shows 1 CPU for AMD chips I have...
CPUID: Dual Core AMD Opteron(tm) Processor 175
     Speed: 1 x 2541 MHz
Yet for Intel chips it seems right...
CPUID: Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz
     Speed: 4 x 2400 MHz
No big deal just thought someone may want to know....
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Jason G
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Re: New App shows 1 CPU on my AMD chips
« Reply #1 on: 01 May 2008, 12:38:48 am »

Correct,  a known issue/ side effect of Using Intel IPP calls to determine those characteristics.  No quick easy fix just yet.  Notice that the same should've been happening in 2.4V also (same code)  Grin
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Devaster
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Re: New App shows 1 CPU on my AMD chips
« Reply #2 on: 01 May 2008, 02:22:40 pm »

leave IPP detection, try ask directly OS core ....
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hiamps
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Re: New App shows 1 CPU on my AMD chips
« Reply #3 on: 01 May 2008, 07:55:40 pm »

Correct,  a known issue/ side effect of Using Intel IPP calls to determine those characteristics.  No quick easy fix just yet.  Notice that the same should've been happening in 2.4V also (same code)  Grin

Thanks for the reply, doesn't bother me a bit just didn't know if you knew...Have a great day!
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Jason G
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Re: New App shows 1 CPU on my AMD chips
« Reply #4 on: 02 May 2008, 01:36:43 am »

leave IPP detection, try ask directly OS core ....
Will likely do that, CPU detection at all was a last minute addon that we pinched from 2.4v as is.  Straight assembly was unacceptable because we needed 64 bit functionality.  We'll probably cook up a more complete intrinsic based version in the not too distant future that doesn't depend on IPP.  I like the features from the original Lunatics assembly version and would like to move towards implementing those [But in a way that will be fairly simple, generic and work across Bit'age and brands...As you say, OS calls where possible too].

Jason
« Last Edit: 02 May 2008, 03:50:31 am by Jason G » Logged

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