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Stockfish

descriptionStockfish - Page 3 EmptyRe: Stockfish

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stockfish 12-09-02 x 64, se encuentra en la pagina anterior ,la 24.

descriptionStockfish - Page 3 EmptyRe: Stockfish

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Stockfish source - Sep 09, 2012

- Remove redundancy in move generation
- Simplify generate_castle()
- Rename *last to *end
- Enable link time optimization only when optimizing

https://github.com/mcostalba/Stockfish/commits/master

descriptionStockfish - Page 3 EmptyRe: Stockfish

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Stockfish 120909 x64 SSE4.2
Download

descriptionStockfish - Page 3 EmptyRe: Stockfish

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Stockfish 120909 x64
Download

descriptionStockfish - Page 3 EmptyRe: Stockfish

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@Quocvuong82 wrote:
Stockfish 120909 x64
Download

which is best Stockfish120902 or Stockfish120909? confused

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from Sep 02 to Sep 09
Sep 04, 2012

Code:

Get rid of struct Time
We just need the milliseconds of current system
time for our needs. This allows to simplify the
API.

No functional change.


Sep 06, 2012

Code:

Simplify Option c'tor
No functional change.


Sep 07, 2012

Code:

Revert "Simplify Option c'tor"
std::to_string() is C++11 material, not c++03.

So revert the patch.


Sep 09, 2012

Code:

Enable link time optimization only when optimizing
Because it is quite slow, skip it when 'optimize' flag is 'no'

No functional change.

Code:

Rename *last to *end
It is a more correct name because it points past the
last move of the list.

No functional change.

Code:

Simplify generate_castle()
Skipping the calls to std::min(), std::man() we get
even a nice speed-up on perft.

No functional change.

Code:

Remove redundancy in move generation
Introduce generate_all_moves() and remove a good
bunch of redundant code.

No functional change.


bench 128 1 16 default depth
Stockfish 120902 x64 SSE4.2

Code:

Total time (ms) : 37611
Nodes searched  : 41791181
Nodes/second    : 1111142

Stockfish 120909 x64 SSE4.2

Code:

Total time (ms) : 37697
Nodes searched  : 41791181
Nodes/second    : 1108607


Nodes searched : 41791181

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Stockfish source - Sep 11, 2012

- Speed-up generate

The trick here is to check for legality only in the
(rare) cases we have pinned pieces or a king move
or an en-passant.

This trick is able to increase the speed of perft
of more then 20%!

https://github.com/mcostalba/Stockfish/commit/e0bd0f250b861bfd4ee2999fc518eaf9b0a58941

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Stockfish 120915P SSE4.2 x64 by Peterpan
http://www.spaadyshare.com/AUM4HWIYZND6/StockFish_120915Px64.rar

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easl wrote:

Bad compile. I get random crashes (blue screen of death followed by a restart). cry

descriptionStockfish - Page 3 EmptyRe: Stockfish

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Try this: mediafire.com ?5f3338ex17b3t9z

Stockfish 120909 - compiled by Quocvuong82, very strong and stable.

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Stockfish 2.3 update available

Stockfish 2.3 JA by the Stockfish Team

Changes:

ELO increase is very limited, it is mainly a minor release to flush
the accumulated work. From the user point of view the biggest thing is
that SF should not crash anymore even with many threads because a
nasty SMP bug causing a rare but repetitive crash has been fixed.

Marco.


Window/Linux/Android 32/64 bit

https://dl.dropbox.com/u/5047625/stockfish-23-ja.zip
Mirror:
http://cl.ly/JTpn/stockfish-23-ja.zip

descriptionStockfish - Page 3 EmptyRe: Stockfish

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Stockfish 120915 x64 SSE4.2
Download

descriptionStockfish - Page 3 EmptyRe: Stockfish

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JA GCC version is very fast! eek

descriptionStockfish - Page 3 EmptyRe: Stockfish

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@Quocvuong82 wrote:
Stockfish 120915 x64 SSE4.2
Download

Thanks! is there/will be a non SSE version too?

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Code:

Games Completed = 1000 of 1000 (Avg game length = 15.186 sec)
Settings = RR/32MB/2000ms+100ms/M 700000cp for 7 moves, D 150 moves/EPD:E:\LittleBlitzer\openings.epd(4000)
Time = 4009 sec elapsed, 0 sec remaining

 1.  Stockfish 2.3 JA 64bit     515.0/1000   267-237-496     (L: m=237 t=0 i=0 a=0)   (D: r=380 i=67 f=26 s=6 a=17)   (tpm=113.3 d=15.57 nps=1348166)
 2.  Stockfish 2.2.2 JA 64bit    485.0/1000   237-267-496     (L: m=267 t=0 i=0 a=0)   (D: r=380 i=67 f=26 s=6 a=17)   (tpm=113.6 d=15.29 nps=1373859)

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Bob wrote:
@Quocvuong82 wrote:
Stockfish 120915 x64 SSE4.2
Download

Thanks! is there/will be a non SSE version too?

Please wait!

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Code:

Games Completed = 200 of 2000 (Avg game length = 13.473 sec)
Settings = Gauntlet/64MB/2000ms+100ms/M 500cp for 5 moves, D 150 moves/EPD:openings.epd(4000)
Time = 2852 sec elapsed, 25664 sec remaining
 1.  Stockfish 120915Q x64 SSE4.2   106.0/200   51-39-110     (L: m=0 t=0 i=0 a=39)   (D: r=91 i=13 f=2 s=1 a=3)   (tpm=117.0 d=14.69 nps=1780924)
 2.  Stockfish 23GCCJA x64 SSE4.2   47.5/100   18-23-59     (L: m=0 t=0 i=0 a=23)   (D: r=48 i=5 f=2 s=1 a=3)   (tpm=116.5 d=14.98 nps=1836041)
 3.  Stockfish 120902Q x64 SSE4.2   46.5/100   21-28-51     (L: m=0 t=0 i=0 a=28)   (D: r=43 i=8 f=0 s=0 a=0)   (tpm=118.8 d=14.52 nps=1840633)

descriptionStockfish - Page 3 EmptyRe: Stockfish

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Marco Costalba wrote:
Just a couple of quick notes.

1) For people compiling themself the Stockfish bench signature is: 5416292 It means that if you run ./stockfish bench then it should show 5416292 nodes searched. This means that the compile is correct.

2) For people running / using under Android / iPhone with more than one thread, I'd suggest to set "Use Sleeping Threads" option. This allows to save power and battery and strength is practically the same.

descriptionStockfish - Page 3 EmptyStockfish 2.3 is out

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Just saw that Stockfish 2.3 is out. Mainly maintenance realease, but I cant help thinking its a bit faster also smile

http://stockfishchess.org/download/

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@Quocvuong82 wrote:
Bob wrote:
@Quocvuong82 wrote:
Stockfish 120915 x64 SSE4.2
Download

Thanks! is there/will be a non SSE version too?

Please wait!

wink

descriptionStockfish - Page 3 EmptyRe: Stockfish

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Bob wrote:
@Quocvuong82 wrote:
Bob wrote:
@Quocvuong82 wrote:
Stockfish 120915 x64 SSE4.2
Download

Thanks! is there/will be a non SSE version too?

Please wait!

wink

Sorry Bob!
Stockfish 2.3Q x64

descriptionStockfish - Page 3 EmptyRe: Stockfish

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Code:

Games Completed = 1000 of 1000 (Avg game length = 14.933 sec)
Settings = RR/32MB/2000ms+100ms/M 700000cp for 7 moves, D 150 moves/EPD:E:\LittleBlitzer\openings.epd(4000)
Time = 3977 sec elapsed, 0 sec remaining

 1.  Stockfish 2.3 JA 64bit     510.0/1000   246-226-528     (L: m=226 t=0 i=0 a=0)   (D: r=378 i=104 f=25 s=3 a=18)   (tpm=113.4 d=15.45 nps=1299907)
 2.  Stockfish 2.3Q 64bit       490.0/1000   226-246-528     (L: m=246 t=0 i=0 a=0)   (D: r=378 i=104 f=25 s=3 a=18)   (tpm=113.4 d=15.37 nps=1272451)

Stockfish 2.3 JA : nps=1299907
Stockfish 2.3 Q : nps=1272451

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Stockfish 'Barracuda' 2.3 32-bit
http://www.computerchess.info/tdbb/phpBB3/viewtopic.php?f=9&t=619

Download

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(B=Barracuda)
Stockfish 2.3B x64 SSE4.2

bench 128 1 16 default depth:

Code:

Total time (ms) : 25714
Nodes searched  : 29223250
Nodes/second    : 1136472

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Code:

Games Completed = 1000 of 1000 (Avg game length = 14.979 sec)
Settings = RR/32MB/2000ms+100ms/M 700000cp for 7 moves, D 150 moves/EPD:E:\LittleBlitzer\openings.epd(4000)
Time = 3911 sec elapsed, 0 sec remaining

 1.  Stockfish 2.3 JA           736.0/1000   574-102-324     (L: m=102 t=0 i=0 a=0)   (D: r=237 i=59 f=18 s=0 a=10)   (tpm=113.7 d=14.96 nps=969211)
 2.  Stockfish 'Barracuda'2.3    264.0/1000   102-574-324     (L: m=567 t=7 i=0 a=0)   (D: r=237 i=59 f=18 s=0 a=10)   (tpm=114.5 d=14.89 nps=917210)

Stockfish 2.3 JA : nps=969211

Stockfish 'Barracuda'2.3 : nps=917210 (very weak)

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