Stockfish 121204 (ELO +18)
Posted: Wed Dec 05, 2012 11:10 am
From authors of Stockfish:
Stable Stockfish 121204 64-bit compiles for SSE and non-SSE PCs from Quocvuong82:Stockfish can handle 64cores/threads now
https://github.com/mcostalba/Stockfish/commits/master
- Merge branch 'eval_cache'
Merge branch 'eval_cache'
Use an eval cache instead of TT to store node
position evaluations.
It is already an improvment and, because it frees
two TT entry slots, paves the way to extend TT to
store both upper and lower bounds.
After 4855 games, single thread, 15"+0.05
Mod vs Orig 1165 -920 - 2770 ELO +18
bench: 5149248
- Increase MAX_THREADS to 64
Stockfish source - Dec 01, 2012
- Reintroduce eval optimizaion from null search
- Don't save eval score in TT
- Don't use TT just to save a node evaluation
- Don't read eval from TT anymore
- Retire eval optimization from null search
- Add eval cache infrastructure
Thanks Quocvuong82! Much appreciatedStockfish 121204 Source code
Intel Compiler:
SSE4.2
http://www.mediafire.com/download.php?4zb62ce9js52tik
non SSE4.2
http://www.mediafire.com/download.php?ygfvdmfa0crcv25
MSVC2012 Compiler:
SSE4.2
http://www.mediafire.com/download.php?521mz8fb3swbxwy
non SSE4.2
http://www.mediafire.com/download.php?6dq2d3gg38quz71