Author: Torstein Hall
Date: 13:07:13 05/07/01
Go up one level in this thread
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? Torstein > > > Christophe
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