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Zeta

309 bytes added, 10:55, 22 April 2021
→‎Details
=Details=
Zeta is written in [[C]] (host) and [[OpenCL]] (device). The host handles the IO, but all chess related computations are done in via OpenCL on the device.Zeta v097 and v098 were designed to run thousands of independent [[Thread|threads]] on a [[GPU]], therefore they store the expanded search tree via an randomized [[Best-First]]-MiniMax search in [[Memory|memory]] .
=NPS and Playing Strength= * Zeta 098c on Nvidia GeForce GTX 480v099 is a port of [[Zeta Dva]] to OpenCL, ca. 5 Mnpswith classic parallel [[Alpha-Beta]] search, est. 2000 Elo* Zeta 097x on Nvidia GeForce GTX 480therefore 64 gpu threads are coupled to one worker, ca. 5 Mnpsused during move generation, estmove picking and evaluation in parallel. 1800 Elo* Zeta 098c on AMD Radeon R9 290, ca. 3.2 Mnps* Zeta 097x v097 and v098 were designed to run thousands of independent [[Thread|threads]] on AMD Radeon HD 7750a [[GPU]], catherefore they store the expanded game tree via an parallel [[Best-First Minimax Search]] search in [[Memory|memory]] . 800 Knps
=See also=
=Forum Posts=
==2010 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=33315 Zeta, a chess engine in OpenCL] by [[Srdja Matovic]], [[CCC]], March 17, 2010
* [http://www.talkchess.com/forum/viewtopic.php?t=39459 Zeta plays chess on a gpu] by [[Srdja Matovic]], [[CCC]], June 23, 2011
* [http://www.talkchess.com/forum/viewtopic.php?t=62288 ZetaOpenCL 098ew64 running on Windows OS] by [[Norbert Raimund Leisner]], [[CCC]], November 27, 2016
* [http://www.talkchess.com/forum/viewtopic.php?t=63719 Zeta v099a, gpu chess update] by [[Srdja Matovic]], [[CCC]], April 11, 2017
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=71084 Looking for someone to test Zeta v099l on RTX 2080 TI, or similar, gpu] by [[Srdja Matovic]], [[CCC]], June 24, 2019
==2020 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=76986 Zeta with NNUE on GPU?] by [[Srdja Matovic]], [[CCC]], March 31, 2021 » [[NNUE]], [[GPU]]
=External Links=
==Chess Engine==
* [https://github.com/smatovic/Zeta GitHub - smatovic/Zeta: Experimental chess engine written in OpenCL]
* [https://web.archive.org/web/20140604141114/http://zeta-chess.blogspotapp26.comde/ Archived Zeta Chess blog], [https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine]
==Misc==
* [https://en.wikipedia.org/wiki/Zeta Zeta from Wikipedia]
[[Category:WinBoard]]
[[Category:XBoard]]
[[Category:X86]]
[[Category:X64]]
[[Category:GPU]]
[[Category:PC]]
[[Category:Windows]]
[[Category:Linux]]
Smatovic
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