Latest Stockfish...

[MikeB]

includes current source from the official SF site:

https://github.com/official-stockfish/S ... ree/master

Plus two pulls (code not yet merged into master) that passed with flying colors:

Code: Select all

submitted by ajithcj
Gradually relax the NMP staticEval check as we go to higher depths.
Use tuned values.

STC
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 16745 W: 3371 L: 3168 D: 10206

LTC:
LLR: 2.96 (-2.94,2.94) [0.00,5.00]
Total: 5906 W: 875 L: 736 D: 4295

Code: Select all

submitted by pb00068
ELO: 1.74 +-3.5 (95%) LOS: 83.7%
Total: 10000 W: 1324 L: 1274 D: 7402 tc=10+0.1 th = 31
http://tests.stockfishchess.org/tests/view/5777d7560ebc5972faa1657b

ELO: 5.10 +-3.5 (95%) LOS: 99.8%
Total: 12000 W: 1993 L: 1817 D: 8190 tc=3+0.03 th = 31
http://tests.stockfishchess.org/tests/view/5774bd640ebc5972faa16514

source used to compile, also a Mac exe is also available for download:
https://github.com/MichaelB7/Stockfish

Code: Select all

===========================
Total time (ms) : 4091
Nodes searched  : 8548212
Nodes/second    : 2089516

[yanquis1972]

thanks for the notice, michael.

thats 2 builds in 2 weeks with significant elo improvements...sincere best wishes to the komodo guys trying to keep pace, & congrats to everyone involved w/ SF on the continued great work!

[MikeB]

thanks for the notice, michael.

thats 2 builds in 2 weeks with significant elo improvements...sincere best wishes to the komodo guys trying to keep pace, & congrats to everyone involved w/ SF on the continued great work!

;>) I only build a new version when I see two or more patches adding a nice bump .., its' rare to see it back to back weeks...

[S.Taylor]

thanks for the notice, michael.

thats 2 builds in 2 weeks with significant elo improvements...sincere best wishes to the komodo guys trying to keep pace,

Isn't komodo actually trying to keep AHEAD of sf?

[MikeB]

Updated Source and Mac exe on Github

https://github.com/MichaelB7/Stockfish

includes all the latest commits from the official SF site plus Ronald's latest syzygy updates:

https://github.com/syzygy1/tb

Code: Select all

this includes:
Two TB initialisation fixes:
- potential memory corruption if SyzygyPath was set to <empty> twice in a row;
- potential undefined behavior by initialising a mutex twice.
-Simplification of probe_dtz().
-more care en passant handling in probe_wdl() and in particular setting of *success = 2

[MikeB]

Updated Source and Mac exe on Github

https://github.com/MichaelB7/Stockfish

includes all the latest commits from the official SF site plus Ronald's latest syzygy updates:

https://github.com/syzygy1/tb

Code: Select all

this includes:
Two TB initialisation fixes:
- potential memory corruption if SyzygyPath was set to <empty> twice in a row;
- potential undefined behavior by initialising a mutex twice.
-Simplification of probe_dtz().
-more care en passant handling in probe_wdl() and in particular setting of *success = 2

there was another update made just a few minutes ago, source and exe updated

[MikeB]

The latest unoffical developmental Stockfish...

- the main change since the 071816 - it now plays endgame positions about 10x faster when it is hitting the tb's (no expected ELO impact) also a few other changes pulled from the official SF site that may be worth a few ELO

the dash"-y" signifies that it incorporates Ronald de Man, updated tb files for SF

source and Mac exe available @ the Github link below
https://github.com/MichaelB7/Stockfish

not expecting a big change here - just making sure that i didn't break anything

Code: Select all

240 of 1200 games completed...
time control: 1500+25
Date: 07/30/16 : 19:54:17
240 game(s) loaded
Rank Name                Rating   Δ     +    -     #     Σ    Σ%     W    L    D   W%    =%   OppR 
------------------------------------------------------------------------------------------------------
   1 Stockfish 073016-y   3126   0.0   30   30   120   66.0  55.0   33   21   66  27.5  55.0  3091 
   2 Stockfish 072516-y   3118   8.1   29   29   119   63.5  53.4   26   18   75  21.8  63.0  3094 
   3 Stockfish 072516-x   3110   7.6   30   30   121   62.5  51.7   29   25   67  24.0  55.4  3096 
   4 Komodo 10.1 64-bit   3046  64.5   31   31   120   48.0  40.0   23   47   50  19.2  41.7  3118 
------------------------------------------------------------------------------------------------------

[MikeB]

The latest unoffical developmental Stockfish...

- the main change since the 071816 - it now plays endgame positions about 10x faster when it is hitting the tb's (no expected ELO impact) also a few other changes pulled from the official SF site that may be worth a few ELO

the dash"-y" signifies that it incorporates Ronald de Man, updated tb files for SF

source and Mac exe available @ the Github link below
https://github.com/MichaelB7/Stockfish

not expecting a big change here - just making sure that i didn't break anything

Code: Select all

240 of 1200 games completed...
time control: 1500+25
Date: 07/30/16 : 19:54:17
240 game(s) loaded
Rank Name                Rating   Δ     +    -     #     Σ    Σ%     W    L    D   W%    =%   OppR 
------------------------------------------------------------------------------------------------------
   1 Stockfish 073016-y   3126   0.0   30   30   120   66.0  55.0   33   21   66  27.5  55.0  3091 
   2 Stockfish 072516-y   3118   8.1   29   29   119   63.5  53.4   26   18   75  21.8  63.0  3094 
   3 Stockfish 072516-x   3110   7.6   30   30   121   62.5  51.7   29   25   67  24.0  55.4  3096 
   4 Komodo 10.1 64-bit   3046  64.5   31   31   120   48.0  40.0   23   47   50  19.2  41.7  3118 
------------------------------------------------------------------------------------------------------

also updated the makefile so that it automatically include the date of the build in the name of the exe

Code: Select all

NOW := $(shell date +"%m%d%y" | tr ' :' '__')

EXE = Stockfish-$(NOW)-y

and for those that have a Mac and uses gcc with PGO with modern settings, that is is now the default - simply type "make" - makefile also points SF to where the syzygy tb files are located - modify as you see fit

Code: Select all

Mac-Pro:Stockfish-073016-y.d michaelbyrne$ make
make -j profile-build ARCH=x86-64-modern COMP=gcc COMPCXX=g++-mp-4.8 SYZYGY-PATH="/Applications/Tablebases"
/Applications/Xcode.app/Contents/Developer/usr/bin/make ARCH=x86-64-modern COMP=gcc config-sanity

Config:
debug: 'no'
optimize: 'yes'
arch: 'x86_64'
bits: '64'
prefetch: 'yes'
bsfq: 'yes'
popcnt: 'yes'
sse: 'yes'
pext: 'no'

Flags:
CXX: g++-mp-4.8
CXXFLAGS: -std=c++11  -pedantic -Wextra -Wshadow -ftree-loop-distribution -ftree-vectorize -arch x86_64 -mmacosx-version-min=10.9 -DNDEBUG -flto  -O2 --param max-inline-insns-auto=100 --param inline-min-speedup=25  -mdynamic-no-pic -DIS_64BIT -msse -DUSE_BSFQ --param l1-cache-size=32 --param l2-cache-size=256 -mtune=native -mssse3 -mpopcnt -march=native -mtune=generic -funroll-loops   -DUSE_POPCNT -DPREFETCH 
LDFLAGS:  -arch x86_64 -mmacosx-version-min=10.9 -static-libstdc++ -lpthread -std=c++11  -pedantic -Wextra -Wshadow -ftree-loop-distribution -ftree-vectorize -arch x86_64 -mmacosx-version-min=10.9 -DNDEBUG -flto  -O2 --param max-inline-insns-auto=100 --param inline-min-speedup=25  -mdynamic-no-pic -DIS_64BIT -msse -DUSE_BSFQ --param l1-cache-size=32 --param l2-cache-size=256 -mtune=native -mssse3 -mpopcnt -march=native -mtune=generic -funroll-loops   -DUSE_POPCNT -DPREFETCH 

Testing config sanity. If this fails, try 'make help' ...


Step 0/4. Preparing for profile build.
/Applications/Xcode.app/Contents/Developer/usr/bin/make ARCH=x86-64-modern COMP=gcc gcc-profile-prepare
/Applications/Xcode.app/Contents/Developer/usr/bin/make ARCH=x86-64-modern COMP=gcc gcc-profile-clean

Step 1/4. Building executable for benchmark ...
/Applications/Xcode.app/Contents/Developer/usr/bin/make -j ARCH=x86-64-modern COMP=gcc gcc-profile-make
/Applications/Xcode.app/Contents/Developer/usr/bin/make ARCH=x86-64-modern COMP=gcc \
	EXTRACXXFLAGS='-fprofile-generate ' \
	EXTRALDFLAGS='-lgcov' \
	all
g++-mp-4.8 -std=c++11 -fprofile-generate  -pedantic -Wextra -Wshadow -ftree-loop-distribution -ftree-vectorize -arch x86_64 -mmacosx-version-min=10.9 -DNDEBUG -flto  -O2 --param max-inline-insns-auto=100 --param inline-min-speedup=25  -mdynamic-no-pic -DIS_64BIT -msse -DUSE_BSFQ --param l1-cache-size=32 --param l2-cache-size=256 -mtune=native -mssse3 -mpopcnt -march=native -mtune=generic -funroll-loops   -DUSE_POPCNT -DPREFETCH    -c -o src/stockfish.o src/stockfish.cpp
g++-mp-4.8 -std=c++11 -fprofile-generate  -pedantic -Wextra -Wshadow -ftree-loop-distribution -ftree-vectorize -arch x86_64 -mmacosx-version-min=10.9 -DNDEBUG -flto  -O2 --param max-inline-insns-auto=100 --param inline-min-speedup=25  -mdynamic-no-pic -DIS_64BIT -msse -DUSE_BSFQ --param l1-cache-size=32 --param l2-cache-size=256 -mtune=native -mssse3 -mpopcnt -march=native -mtune=generic -funroll-loops   -DUSE_POPCNT -DPREFETCH    -c -o src/endgame.o src/endgame.cpp
g++-mp-4.8 -o Stockfish-073016-y src/stockfish.o src/endgame.o  -lgcov -arch x86_64 -mmacosx-version-min=10.9 -static-libstdc++ -lpthread -std=c++11 -fprofile-generate  -pedantic -Wextra -Wshadow -ftree-loop-distribution -ftree-vectorize -arch x86_64 -mmacosx-version-min=10.9 -DNDEBUG -flto  -O2 --param max-inline-insns-auto=100 --param inline-min-speedup=25  -mdynamic-no-pic -DIS_64BIT -msse -DUSE_BSFQ --param l1-cache-size=32 --param l2-cache-size=256 -mtune=native -mssse3 -mpopcnt -march=native -mtune=generic -funroll-loops   -DUSE_POPCNT -DPREFETCH 

Step 2/4. Running benchmark for pgo-build ...
( echo setoption value SyzygyPath value "/Applications/Tablebases" ; echo bench 16 1 300 default time ) | ./Stockfish-073016-y > /dev/null

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===========================
Total time (ms) : 11237
Nodes searched  : 13209396
Nodes/second    : 1175526

Step 3/4. Building final executable ...
/Applications/Xcode.app/Contents/Developer/usr/bin/make -j ARCH=x86-64-modern COMP=gcc gcc-profile-use
/Applications/Xcode.app/Contents/Developer/usr/bin/make ARCH=x86-64-modern COMP=gcc \
	EXTRACXXFLAGS='-fprofile-use -fno-peel-loops -fno-tracer' \
	EXTRALDFLAGS='-lgcov' \
	all
g++-mp-4.8 -std=c++11 -fprofile-use -fno-peel-loops -fno-tracer -pedantic -Wextra -Wshadow -ftree-loop-distribution -ftree-vectorize -arch x86_64 -mmacosx-version-min=10.9 -DNDEBUG -flto  -O2 --param max-inline-insns-auto=100 --param inline-min-speedup=25  -mdynamic-no-pic -DIS_64BIT -msse -DUSE_BSFQ --param l1-cache-size=32 --param l2-cache-size=256 -mtune=native -mssse3 -mpopcnt -march=native -mtune=generic -funroll-loops   -DUSE_POPCNT -DPREFETCH    -c -o src/stockfish.o src/stockfish.cpp
g++-mp-4.8 -std=c++11 -fprofile-use -fno-peel-loops -fno-tracer -pedantic -Wextra -Wshadow -ftree-loop-distribution -ftree-vectorize -arch x86_64 -mmacosx-version-min=10.9 -DNDEBUG -flto  -O2 --param max-inline-insns-auto=100 --param inline-min-speedup=25  -mdynamic-no-pic -DIS_64BIT -msse -DUSE_BSFQ --param l1-cache-size=32 --param l2-cache-size=256 -mtune=native -mssse3 -mpopcnt -march=native -mtune=generic -funroll-loops   -DUSE_POPCNT -DPREFETCH    -c -o src/endgame.o src/endgame.cpp
g++-mp-4.8 -o Stockfish-073016-y src/stockfish.o src/endgame.o  -lgcov -arch x86_64 -mmacosx-version-min=10.9 -static-libstdc++ -lpthread -std=c++11 -fprofile-use -fno-peel-loops -fno-tracer -pedantic -Wextra -Wshadow -ftree-loop-distribution -ftree-vectorize -arch x86_64 -mmacosx-version-min=10.9 -DNDEBUG -flto  -O2 --param max-inline-insns-auto=100 --param inline-min-speedup=25  -mdynamic-no-pic -DIS_64BIT -msse -DUSE_BSFQ --param l1-cache-size=32 --param l2-cache-size=256 -mtune=native -mssse3 -mpopcnt -march=native -mtune=generic -funroll-loops   -DUSE_POPCNT -DPREFETCH 

Step 4/4. Deleting profile data ...
/Applications/Xcode.app/Contents/Developer/usr/bin/make ARCH=x86-64-modern COMP=gcc gcc-profile-clean
Mac-Pro:Stockfish-073016-y.d michaelbyrne$ 

[MikeB]

The latest unoffical developmental Stockfish...

- the main change since the 071816 - it now plays endgame positions about 10x faster when it is hitting the tb's (no expected ELO impact) also a few other changes pulled from the official SF site that may be worth a few ELO

the dash"-y" signifies that it incorporates Ronald de Man, updated tb files for SF

source and Mac exe available @ the Github link below
https://github.com/MichaelB7/Stockfish

not expecting a big change here - just making sure that i didn't break anything

Code: Select all

240 of 1200 games completed...
time control: 1500+25
Date: 07/30/16 : 19:54:17
240 game(s) loaded
Rank Name                Rating   Δ     +    -     #     Σ    Σ%     W    L    D   W%    =%   OppR 
------------------------------------------------------------------------------------------------------
   1 Stockfish 073016-y   3126   0.0   30   30   120   66.0  55.0   33   21   66  27.5  55.0  3091 
   2 Stockfish 072516-y   3118   8.1   29   29   119   63.5  53.4   26   18   75  21.8  63.0  3094 
   3 Stockfish 072516-x   3110   7.6   30   30   121   62.5  51.7   29   25   67  24.0  55.4  3096 
   4 Komodo 10.1 64-bit   3046  64.5   31   31   120   48.0  40.0   23   47   50  19.2  41.7  3118 
------------------------------------------------------------------------------------------------------

wrap-up on this little test run to make sure nothing was broken:

Code: Select all

200 rounds and 1200 games completed...
time control: 1500+25
Date: 07/30/16 : 21:00:42
1200 game(s) loaded
Rank Name                Rating   Δ     +    -     #     Σ    Σ%     W    L    D   W%    =%   OppR 
------------------------------------------------------------------------------------------------------
   1 Stockfish 073016-y   3124   0.0   13   13   600  327.0  54.5  149   95  356  24.8  59.3  3092 
   2 Stockfish 072516-x   3117   6.9   13   13   600  318.0  53.0  135   99  366  22.5  61.0  3094 
   3 Stockfish 072516-y   3112   5.3   13   13   600  312.5  52.1  133  108  359  22.2  59.8  3096 
   4 Komodo 10.1 64-bit   3047  64.2   13   13   600  242.5  40.4  112  227  261  18.7  43.5  3118 
------------------------------------------------------------------------------------------------------

[MikeB]

Another update - this change doubles the number of skill levels from 20 to 40.

As an example, if you were to move from playing level 4 vs level 5 prior to this change, depending upon your hardware, that could be a 130 point ELO jump ..a pretty nasty jump for a human to adjust to..

Code: Select all

100 rounds and 100 games completed...
time control: 600+10
Date: 07/30/16 : 23:23:41
100 game(s) loaded
Rank Name                 Rating   Δ     +    -     #     Σ    Σ%     W    L    D   W%    =%   OppR 
------------------------------------------------------------------------------------------------------
   1 Stockfish 073016-y    3164   0.0   34   34   100   67.0  67.0   62   28   10  62.0  10.0  3036 
   2 Stockfish 073016-2y   3036 129.0   34   34   100   33.0  33.0   28   62   10  28.0  10.0  3164 
------------------------------------------------------------------------------------------------------

Code: Select all

with the extra levels, the jump will only be ~half as much ELO:
100 rounds and 100 games completed...
time control: 600+10
Date: 07/30/16 : 23:27:08
100 game(s) loaded
Rank Name                 Rating   Δ     +    -     #     Σ    Σ%     W    L    D   W%    =%   OppR 
------------------------------------------------------------------------------------------------------
   1 Stockfish 073016-y    3125   0.0   32   32   100   57.5  57.5   52   37   11  52.0  11.0  3075 
   2 Stockfish 073016-2y   3075  50.9   32   32   100   42.5  42.5   37   52   11  37.0  11.0  3125 
------------------------------------------------------------------------------------------------------

Code: Select all

note: 
old level 20 == new level 40
old level 19 == new level 38 -> level 39 did not exist under the level command
...
old level 5 == new level 10
new level 9 ( did not exist prior)
old level 4 == new level 8 
..etc etc

the first set of games above were played at levels 8 & 10, the second set of games were played at levels 9 & 10...

source and Mac exe can be found here

https://github.com/MichaelB7/Stockfish