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Subject: Re: Live Broadcast! Junior 8 - Hiarcs 8 20.5-7.5 (73%)

Author: Anson T J

Date: 16:17:00 07/21/03

Go up one level in this thread


On July 21, 2003 at 16:35:13, Uri Blass wrote:

>On July 21, 2003 at 16:04:58, Rajen Gupta wrote:
>
>>I think playing against hiarcs is a pointless exercise: i am even surprised that
>>it manged to win even a single gme: virtully every modern programme can thrash
>>it beyond rcognition by a huge margin: one needs to test junior8 against its
>>contemporaries including chessmaster 9000 and tiger 15 first.
>
>Hiarcs8 is not the best program but it is not a weak program.
>20.5-7.5 is a very good result that make me suspect that maybe Junior used more
>than one processor because of a bug and I read posts of people who could not use
>Junior8 because of that problem(one had to use Deep Junior8 and the ssdf also
>use Deep Junior8)
>
>Uri

It might seem that way, but I can assure you that Junior 8 is only using 1 cpu
here and Hiarcs 8 has a full cpu worth.

I've had a lot of experience with duals. I spotted that the first version of
Junior 8 had an affinity bug where it would only use CPU0 and not CPU1 since the
update I've had no problems with it.

Heres a screenshot from game 26 where you can see the nodes per second of both
engines. Hiarcs had 200+ kN/s and is about right for Hiarcs 8 on a AMD 2400+
machine.

http://mysite.freeserve.com/intagrand/junior8test/pics/j8-h8pic1.jpg

Analysis from Hiarcs 8 (after the game without Junior 8 being loaded)

[d]r2qr1k1/pb5p/np1P2p1/2p1bp2/P1B5/2N1B3/1P1Q2PP/R4R1K b - - 0 1

Analysis by Hiarcs 8:
22...Kh8 23.d7
  ²  (0.30)   Depth: 12/37   00:03:07  36665kN
22...Kh8 23.d7 Re7
  ²  (0.32)   Depth: 12/41   00:04:53  57688kN  <-- 197kN/s


As I've started the match, I'll allow it to finish up to game 50. I didn't
expect it to be so one sided. I can only test the engines I own :)




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