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Subject: Re: ok, example of chess benchmark with overclocked palm-tiger

Author: Roy Eassa

Date: 13:17:06 10/07/01

Go up one level in this thread


On October 06, 2001 at 21:34:42, Christophe Theron wrote:

>On October 06, 2001 at 19:08:19, Thorsten Czub wrote:
>
>>On October 06, 2001 at 18:58:25, Thorsten Czub wrote:
>>>ok, palm is set to INFINITE. i do input 41.Qc2 and wait 2 minutes and than
>>>interrupt search and give you NPS and seconds shown on my palm...
>>
>>54 mhz:
>>
>>>it has made 89932 pos , says 1465 p/s and says it computed 61.36 seconds
>>>when in fact it was 120".
>>
>>same with 30 mhz:
>>
>>87727 says 806 p/s and says 108.75 seconds for 120"
>>
>>the question now: when it makes more NPS overall with 54 Mhz
>>(2205 positions) in the same time, is the thing faster or not faster.
>>
>>speed index with 30 mhz is 1.19, with 54 it is 2.18.
>>
>>2.18/1.19 = 1.831,
>>54/30 = 1.8
>>
>>!!
>
>
>
>FORGET about the NPS displayed by Chess Tiger until you set the speed to the
>right value, with the process I have described already.
>
>The clock (time measurement) of the Palm is BROKEN when you overclock too much.
>Because instead of running faster, your Palm actually runs SLOWER.
>
>YOU SET IT TO 54MHZ AND YOU ARE HAPPY, BUT YOUR PALM RUNS MAYBE AT 15 OR 16MHZ
>(or whatever).
>
>If the clock is broken, naturally the NPS displayed is broken as well.
>
>That's why you need an external clock in order to find the highest frequency
>your Palm can run at, while achieving a correct time measurement.
>
>Most probably your are going to find out that your m100 cannot run higher than
>29MHz. You'll get a TigerMark of 1.0x (which is not bad, and more realistic).
>
>    Christophe


Christophe, what's the highest TigerMark anybody has reliably reported to you
(for Palm Tiger)?  Also, how fast can the Visor Prism be reliably overclocked
to?



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