Author: Christophe Theron
Date: 00:32:41 05/24/03
Go up one level in this thread
On May 23, 2003 at 20:42:51, Steve Lim wrote:
>On May 23, 2003 at 17:09:13, Tom Kerrigan wrote:
>>
>>I assume he means for travel. The fact that he's posting to this board suggests
>>that he already has a PC.
>>
>>-Tom
>
>Indeed, this IS for travel. So I'm looking at my options in that area.
>Can someone comment about CT on the tungsten now vs CT (Arm Native) on the
>tungsten.
>
>It is interesting to know about the 10x speedup upgrading hardware from 33mhz to
>400mhz.. but I would like to know the effect of the recompile alone.
>
>thanks.
Hello, I'm the author of Chess Tiger.
At this time if you run Chess Tiger for Palm on a Tungsten-T, Tungsten-C or any
PalmOS 5 model, the engine is running in "emulation" mode by the ARM processor
because it is still coded in 68K code (68K or DragonBall is the processor used
by the previous generation of PalmOS devices, and still the processor in use in
PalmOS 4 handhelds).
So even if you have a 144MHz ARM processor (my Tungsten-T for example), Chess
Tiger is running at the same speed it runs at on a 33MHz m505.
When the engine is recompiled to be in native ARM code, it will run
approximately 10 times faster than now, on the same machine.
So if you buy a Palm or PalmOS compatible device (Sony...), be sure to buy one
with a fast ARM processor (at this time the fastest PalmOS device is the Palm
Tungsten-C: 400MHz and 64Mb or RAM). All the PalmOS 5 devices are using an ARM
processor.
You can see a list of current PalmOS devices and the measured speed of the
current version of Chess Tiger on these devices at http://www.chesstiger.com
(click on the FAQ link and look for the " Do you have the speed index of some
PalmOS devices?" question).
Christophe
http://www.chesstiger.com
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