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Subject: Re: Question for Christophe about Chess Tiger for handhelds

Author: Chris Carson

Date: 13:19:49 05/23/02

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On May 23, 2002 at 15:31:12, Christophe Theron wrote:

>On May 23, 2002 at 14:48:08, J. C. Boco wrote:
>
>>On May 23, 2002 at 11:17:29, Roy Eassa wrote:
>>
>>>
>>>Now that Palm is migrating to the faster CPUs that Pocket PC uses, are you
>>>planning to abandon developing Chess Tiger for Pocket PC and just stick with
>>>Chess Tiger for Palm OS?
>>
>>
>>I would like to add a question.  Given the StrongArm processors in Palms will be
>>available later this year, when will you have a StrongArm-Native ChessTiger for
>>Palm?
>
>
>I don't know. As soon as I get the necessary tools (compiler, IDE), but they are
>not ready at this time.
>
>
>
>>  How much slower will a non-native version be?
>
>I don't know. It is possible that Chess Tiger running on a StrongARM emulating a
>DragonBall is as fast as on a real DragonBall. PACE (the DragonBall emulator in
>PalmOS 5) is only 80Kb in size and from what I read is very efficient.
>
>The speed of the emulator is not the only issue. The OS APIs are going to be
>MUCH faster, because the new OS is written in native StrongARM. And Chess Tiger
>uses the OS heavily to deal with hash tables (it is not possible to have direct
>access to big chunks of memory under the current version of PalmOS, so I have to
>call an OS API each time I need to access the hash table, that is on every
>node).
>
>I guess the native StrongARM version of Tiger will be 6 to 10 times faster, but
>it's just a guess. It could be more, not only because the clock runs faster
>(bigger MHz number) but also because on the ARM architecture you need less clock
>cycles to process one instruction (it's a RISC).
>
>
>
>    Christophe

I am excited about this.  A 2300+ master to carry around in my pocket!  Thanks
Christophe, keep up the great work and great products!



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