TalkChess.com

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__inline int FirstBit(U64 val)  {       // LSB // FirstBit // FirstOne // BitScanForward // BSF
return __builtin_ffsll(val) - 1;
}


__inline int LastBit(U64 val)  {       //  MSB // LastBit // LastOne // BitScanReverse // BSR
return 63 - __builtin_clzll(val);
}


__inline int BitCount(U64 b)
{
	return __builtin_popcountll(b);
}

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uci.cpp ->removed "__stdcall" 
line 41:
/*unsigned __stdcall engine_loop(void* pArguments) delete __stdcall for OSX)*/
unsigned engine_loop(void* pArguments)

proca.h ->removed "__stdcall"
line 11:
/*unsigned __stdcall engine_loop(void* pArguments);  delete __stdcall for OSX */
unsigned engine_loop(void* pArguments);

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# Makefile to build Maverick 1.5 on OS X.
# type "make" ; for subsequent builds, type "make clean" , then "make"

#comment in/out the depending on the build you are making
# make first build with  -fprofile-generate flag
# run a few test positions 
# make final build with  -fprofile-use flag
# at this point , very little pickup using PGO, clang is a fraction slower on my machine (20ms)

CC = g++ -pipe -O3 -Ofast -mtune=native -fprofile-generate
#CC = g++ -pipe -O3 -Ofast -mtune=native -fprofile-use
#CC = clang -pipe -O3 -Ofast -mtune=native

APP = maverick-1.5-osx-64
SRC = $(wildcard *.cpp)
OBJ = $(SRC:.cpp=.o)
LDFLAGS='-libc++ -pthread'

$(APP): $(OBJ)
	$(CC) $(LDFLAGS) -c $(SRC)
	$(CC) -o $(APP) $(OBJ)

clean:
	rm -f *.o
	rm -f $(APP)

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id name Maverick 1.5 x64 osx
id author Steve Maughan
option name Hash type spin default 64 min 2 max 1024
option name Ponder type check default true
option name Book Selectivity type combo default Normal var Random var Varied var Normal var Discerning var Tournament
option name UCI_ShowCurrLine type check default false
option name UCI_Chess960 type check default false
option name UCI_EngineAbout type string default Maverick 1.5 x64 osx by Steve Maughan www.chessprogramming.net
option name Show Search Statistics type check default true
option name Futility Pruning type check default false
uciok
...
info nodes 4360009 nps 565573
bestmove e2e4 ponder d7d5