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Subject: Re: I find Deep Fritz 6 to run 1.6 times faster on 2 cpus compared to 1 cpu

Author: Anson T J

Date: 16:32:16 08/13/02

Go up one level in this thread


On August 13, 2002 at 19:23:08, Slater Wold wrote:

>On August 13, 2002 at 19:12:55, Anson T J wrote:
>
>>==========================
>>Dual PIII 700 MHz @ 931MHz
>>256 MB Hash
>>Windows 2000 Professional
>>==========================
>>
>>[d]1k1r1b1r/p1p1q3/2p1p3/4Ppp1/4nP2/P2BQ3/1PP3PB/2KR3R b KQkq - 0 1
>>
>>Analysis by Deep Fritz: (2 cpus @ 931 MHz)
>>1...Rxh2!
>>  µ  (-1.06)   Depth: 14/34   00:00:43  65328kN
>>1...Rxh2 2.Rxh2 Qxa3 3.bxa3 Bxa3+ 4.Kb1 Nc3+ 5.Ka1 Bb2+ 6.Kxb2 Nxd1+ 7.Kb3
>>  µ  (-1.16)   Depth: 14/34   00:00:45  67725kN
>>1...Rxh2 2.Rxh2 Qxa3 3.bxa3 Bxa3+ 4.Kb1 Nc3+ 5.Ka1 Bb2+ 6.Kxb2 Nxd1+ 7.Kb3
>>  µ  (-1.16)   Depth: 15/34   00:00:59  90632kN
>
>I've posted this no less than 5 times.  And everyone else with a Dual AMD has
>posted it as well.  I *KNOW* it's not strictly an AMD problem though, because I
>had a Dual Pentium III 1.0Ghz once upon a time, and it ran horribly on it too.
>
>This should clear up any doubt:
>
>Analysis by Deep Fritz: (2 cpus @ 1.73 GHz)
>1...Rxh2!
>  µ  (-1.06)   Depth: 14/34   00:00:46  69087kN
>1...Rxh2! 2.Rxh2 Qxa3 3.bxa3 Bxa3+ 4.Kb1 Nc3+ 5.Ka1 Bb2+ 6.Kxb2 Nxd1+ 7.Kb3
>  µ  (-1.16)   Depth: 14/34   00:00:48  71947kN
>1...Rxh2 2.Rxh2 Qxa3 3.bxa3 Bxa3+ 4.Kb1 Nc3+ 5.Ka1 Bb2+ 6.Kxb2 Nxd1+ 7.Kb3
>  µ  (-1.16)   Depth: 15/34   00:01:06  99491kN
>
>Analysis by Deep Fritz: (1 cpu @ 1.73 GHz)
>1...Rxh2!
>  µ  (-1.06)   Depth: 14/36   00:00:47  68408kN
>1...Rxh2! 2.Rxh2 Qxa3 3.bxa3 Bxa3+ 4.Kb1 Nc3+ 5.Ka1 Bb2+ 6.Kxb2 Nxd1+ 7.Kb3
>  µ  (-1.16)   Depth: 14/36   00:00:49  71401kN
>1...Rxh2 2.Rxh2 Qxa3 3.bxa3 Bxa3+ 4.Kb1 Nc3+ 5.Ka1 Bb2+ 6.Kxb2 Nxd1+ 7.Kb3
>  µ  (-1.16)   Depth: 15/34   00:01:07  98169kN

I don't understand whats going on here... Thats really put me off building a
Dual AMD... What do you think the reason is? Please try running the test again
and setting Fritz's Priory to High. (CTRL+ALT+DELETE, Task manager, Processes
etc)



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