Author: Christophe Theron
Date: 19:33:37 05/07/01
Go up one level in this thread
On May 07, 2001 at 19:16:13, Torstein Hall wrote:
>On May 07, 2001 at 18:33:15, Christophe Theron wrote:
>
>>On May 07, 2001 at 16:07:13, Torstein Hall wrote:
>>
>>>On May 07, 2001 at 15:07:41, Christophe Theron wrote:
>>>
>>>>On May 07, 2001 at 14:03:11, Ian Osgood wrote:
>>>>
>>>>>On May 07, 2001 at 12:51:47, Paul wrote:
>>>>>
>>>>>>On May 07, 2001 at 12:01:36, Christophe Theron wrote:
>>>>>>
>>>>>>>On May 07, 2001 at 10:26:14, Gordon Rattray wrote:
>>>>>>>
>>>>>>>>On May 06, 2001 at 18:49:36, Christophe Theron wrote:
>>>>>>>>
>>>>>>>>>On May 06, 2001 at 16:57:45, Torstein Hall wrote:
>>>>>>>>>
>>>>>>>>>>I just saw that ChessTiger for Palm is comming out. You get a free text based
>>>>>>>>>>version. It will later come in a comersial version with its own graphical user
>>>>>>>>>>interface. As a user of a Cassiopeia Pocket PC, I just envy you Palm owners your
>>>>>>>>>>Chess Tiger, even if you have to live with a somewhat suboptimal pocket
>>>>>>>>>>solution!
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>The Palm, a suboptimal solution????
>>>>>>>>>
>>>>>>>>>Obviously you have never tried it. It's cheap, it's fast, it's robust, has a
>>>>>>>>>large autonomy, can be overclocked, does everything you need, and you find
>>>>>>>>>thousands of programs for it.
>>>>>>>>>
>>>>>>>>>As far as I know, almost all owners of Palms are happy with it. And a large
>>>>>>>>>percentage of owners of WinCE or PocketPC computers are not happy with it.
>>>>>>>>>
>>>>>>>>>Anyway, there will be a PocketPC version of Chess Tiger for Palm. I will come
>>>>>>>>>after the graphical Palm version.
>>>>>>>>
>>>>>>>>[snip]
>>>>>>>>
>>>>>>>>Excellent. I'm a PocketPC owner, and a happy one at that. ;-) Are you porting
>>>>>>>>only Chess Tiger to PDAs, or Gambit Tiger too? One way or another, this is
>>>>>>>>great news. Thanks.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>Gambit Tiger is going to be ported as well. In the Palm commercial version
>>>>>>>you'll be able to switch between Chess Tiger and Gambit Tiger easily with a
>>>>>>>checkbox.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>>p.s. my Compaq Ipaq has 64Mb RAM, will I be able to use some 4-piece endgame
>>>>>>>>TBs? ;-) I bet all the Palm owners are thinking, "don't worry, your batteries
>>>>>>>>won't last long enough to see the endgame..." ;-)
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>You can buy the extra battery pack for PocketPC. Only 15Kg, straps to carry it
>>>>>>>on your back are provided, and you get an incredible 2 hours operating time with
>>>>>>>it. :)
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Christophe
>>>>>>
>>>>>>I don't know the Ipaq, but if it's possible to create a RAM drive maybe you
>>>>>>could have *all* 3&4 piece egtb's on there, since they're only 29.6 MB all
>>>>>>together :)
>>>>>>
>>>>>>Paul
>>>>>
>>>>>Theoretically possible, but not practical. Once you have any amount of data,
>>>>>books and apps installed, you soon end up with less than 16M available.
>>>>>Besides, you get more bang for the buck by using that memory for transposition
>>>>>tables! That is the big difference between PalmOS and PocketPC: linear, fast
>>>>>access to more than 64K of memory at a time. I'm assuming that Tiger Palm, like
>>>>>ChessGenius, has no transposition tables.
>>>>
>>>>
>>>>
>>>>Bad guess. Chess Tiger for Palm uses hash tables.
>>>>
>>>>Who said a chess engine on the Palm cannot use hash tables? Did you believe it?
>>>>;)
>>>>
>>>>Chess Tiger for Palm has ALL the features of the PC engine (they are actually
>>>>sharing the SAME source code).
>>>>
>>>>The only exception at this time is that the tablebase code is not used.
>>>>
>>>>
>>>>
>>>>
>>>>>More practical would be to put any endgame tables on Flash memory cards. There
>>>>>are some Compact Flash cards that go up to 1 Gig, believe it or not! (Pricey
>>>>>though.) I might put endgame table support back into PocketCrafty to try that
>>>>>out. It would eat up another 1M of RAM for the cache however.
>>>>
>>>>
>>>>
>>>>As you said the memory would probably be better used as hash tables.
>>>
>>>I don't think you will put hash tables on flash cards as they are relativly
>>>slow, but still great for endgame tables. So if you already have space for 8mb
>>>hash tables, would it not be better to use 1MB for endgame tables?
>>
>>
>>
>>Yes, if it is essentially read-only memory, all you can do is use them for TBs.
>
>Its not read only memory by any means, but still pretty slow compared to RAM.
Yes, I know. I consider them as being "read-only" if I cannot write fast enough
for a decent hash table use, that's what I mean.
>They are fast enough to write pretty large files from digital cameras, with
>typical 500K files taking about 2-3 seconds.
I know, I have a digital camera that uses CompactFlash cards.
> I'm not sure about this, but I
>think they are fastest written to sequentially.
I guess Amir could answer. I seem to remember that his company produces flash
memory.
Christophe
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