Author: Dann Corbit
Date: 17:42:20 11/05/01
Go up one level in this thread
On November 05, 2001 at 17:52:16, Slater Wold wrote:
>On November 05, 2001 at 12:56:48, Eugene Nalimov wrote:
>>On November 05, 2001 at 12:46:36, Slater Wold wrote:
>>>On November 05, 2001 at 12:27:26, Eugene Nalimov wrote:
>>>>On November 05, 2001 at 07:04:57, Mike Hood wrote:
>>>>>On November 04, 2001 at 17:49:04, Manuel Rodriguez Blanco wrote:
>>>>>>Threre is a free program for generate 6Man Tablebase? and some 7man?
>>>>>>if yes where?
>>>>>>
>>>>>>I know that Hiarcs7.32 come with TBGEN that generate 5man Tablebase but no 6Man,
>>>>>>i think.
>>>>>>
>>>>>>Thanks very much,
>>>>>>
>>>>>>Manuel
>>>>>
>>>>>You'll find a few 6-piece tablebases at ftp://ftp.cis.uab.edu/pub/hyatt/TB/six
>>>>>
>>>>>If you remember that these are the compressed tablebases, and they have to be
>>>>>generated in their uncompressed form (5 to 10 times bigger) you'll get an idea
>>>>>of the memory requirements. TBGEN is able to generate 6-piece tablebases, but
>>>>>you'll need to recompile the source code (it's also on this ftp site) and run it
>>>>>on a 64-bit operating system with more than 2 GB of memory. Poor Windows :(
>>>>
>>>>All 6-man TBs on Bob's site were generated on the machine running Windows NT.
>>>>
>>>>Eugene
>>>
>>>LOL - Talking trash to a MS man. Not smart when you don't know the facts. :)
>>>
>>>That was NT for Alpha's though, correct? It does have to be a 64-bit system,
>>>AFAIK. Am I wrong?
>>
>>Yes and no :-) Some of TBs were really generated on Alphas. But NT on Alpha runs
>>as 32-bit system: it uses 64-bit integers if you explicitely specified that, but
>>all the 'ints' and 'longs' -- as well as pointers -- are 32-bit. That means that
>>the program cannot use more than 2Gb of address space for its data.
>>
>>And majority of the TBs were generated on the x86 system. It happened that for
>>TB generation that system (dual Xeon-550, 2Gb RAM) is faster than dual 21164A
>>Alpha. Mainly because Compaq dropped NT on Alpha, so there was no reason for MS
>>to buy newer hardware. We have to support installed software, so we cannot just
>>dump those Alpha systems into garbage, but no new development.
>>
>>Eugene
>
>Well, my question was actually aimed at this:
>
>Can my computer generate 6 piece TB's?
>
>If you don't know it's a Dual AMD 1.53Ghz with 1GB of RAM (probably be 3GB, the
>max, in a month or so) running Windows 2000 Server.
>
>I understand compiling the kppkpp TB is probably out of the question, even with
>my "good" hardware. I doubt it'd even fit it on my HD uncompressed anyway.
>
>I was just curious if I could.
Ram is really important. 3GB would definitely help. And you have to have all
of the 5's {decompressed!} before you can make any 6-man file.
Not sure how big all the 5 man files are, but it's a lot of room.
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