Implementation notes: amd64, sandy, crypto_sign/pflash1

Computer: sandy
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20120908
Operation: crypto_sign
Primitive: pflash1

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
1550148	`ref`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120816	20120812
1555804	`ref`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120816	20120812
1727316	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120816	20120812
1738600	`ref`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120816	20120812
1749776	`ref`	`gcc -O3 -fomit-frame-pointer`	20120816	20120812
1757172	`ref`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120816	20120812
1764056	`ref`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20120816	20120812
1815760	`ref`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120816	20120812
1871200	`ref`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120816	20120812
1885772	`ref`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120816	20120812
1889292	`ref`	`gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer`	20120816	20120812
1889296	`ref`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120816	20120812
1894872	`ref`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120816	20120812
1904220	`ref`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120816	20120812
1904748	`ref`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120816	20120812
1911128	`ref`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120816	20120812
1928504	`ref`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120816	20120812
1934128	`ref`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120816	20120812
1981916	`ref`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120816	20120812
1992344	`ref`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120816	20120812
1996928	`ref`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120816	20120812
2000812	`ref`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120816	20120812
2002216	`ref`	`gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer`	20120816	20120812
2028168	`ref`	`gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer`	20120816	20120812
2031616	`ref`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120816	20120812
2042984	`ref`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120816	20120812
2043156	`ref`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120816	20120812
2046344	`ref`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120816	20120812
2051228	`ref`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20120816	20120812
2062600	`ref`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120816	20120812
2068048	`ref`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120816	20120812
2084696	`ref`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120816	20120812
2101452	`ref`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120816	20120812
2104716	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120816	20120812
2105216	`ref`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120816	20120812
2107028	`ref`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120816	20120812
2110636	`ref`	`gcc -m64 -O -fomit-frame-pointer`	20120816	20120812
2111196	`ref`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120816	20120812
2113028	`ref`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120816	20120812
2114888	`ref`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120816	20120812
2121624	`ref`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120816	20120812
2122236	`ref`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120816	20120812
2125468	`ref`	`gcc -m64 -march=core-avx-i -O -fomit-frame-pointer`	20120816	20120812
2129688	`ref`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120816	20120812
2146748	`ref`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20120816	20120812
2146804	`ref`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120816	20120812
2147800	`ref`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120816	20120812
2148704	`ref`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120816	20120812
2162836	`ref`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120816	20120812
2165328	`ref`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120816	20120812
2199392	`ref`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120816	20120812
2207984	`ref`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120816	20120812
2216368	`ref`	`gcc -march=k8 -O -fomit-frame-pointer`	20120816	20120812
2226012	`ref`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120816	20120812
2231128	`ref`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20120816	20120812
2241408	`ref`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120816	20120812
2244484	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120816	20120812
2245264	`ref`	`gcc -O2 -fomit-frame-pointer`	20120816	20120812
2258316	`ref`	`gcc -m64 -O2 -fomit-frame-pointer`	20120816	20120812
2288672	`ref`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120816	20120812
2290188	`ref`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120816	20120812
2299984	`ref`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120816	20120812
2319280	`ref`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120816	20120812
2326304	`ref`	`gcc -m64 -O3 -fomit-frame-pointer`	20120816	20120812
2329376	`ref`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120816	20120812
2338924	`ref`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120816	20120812
2361668	`ref`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120816	20120812
2366696	`ref`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120816	20120812
2394692	`ref`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120816	20120812
2418636	`ref`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120816	20120812
2439136	`ref`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120816	20120812
2439980	`ref`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120816	20120812
2452328	`ref`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120816	20120812
2457608	`ref`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120816	20120812
2460156	`ref`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120816	20120812
2460176	`ref`	`gcc -m64 -march=corei7-avx -O -fomit-frame-pointer`	20120816	20120812
2461308	`ref`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120816	20120812
2462792	`ref`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120816	20120812
2464724	`ref`	`gcc -m64 -Os -fomit-frame-pointer`	20120816	20120812
2482952	`ref`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120816	20120812
2487668	`ref`	`gcc -O -fomit-frame-pointer`	20120816	20120812
2491228	`ref`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120816	20120812
2503832	`ref`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120816	20120812
2526056	`ref`	`gcc -march=nocona -O -fomit-frame-pointer`	20120816	20120812
2552388	`ref`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120816	20120812
2560216	`ref`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120816	20120812
2567960	`ref`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120816	20120812
2583500	`ref`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120816	20120812
2592156	`ref`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120816	20120812
2605788	`ref`	`gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer`	20120816	20120812
2610632	`ref`	`gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer`	20120816	20120812
2611372	`ref`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120816	20120812
2624268	`ref`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120816	20120812
2647448	`ref`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120816	20120812
2691036	`ref`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120816	20120812
2737052	`ref`	`gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer`	20120816	20120812
2950072	`ref`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120816	20120812
2997816	`ref`	`gcc -Os -fomit-frame-pointer`	20120816	20120812
3018992	`ref`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120816	20120812
3150680	`ref`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120816	20120812
6777064	`ref`	`gcc`	20120816	20120812
6790620	`ref`	`cc`	20120816	20120812
7609332	`ref`	`gcc -funroll-loops`	20120816	20120812

Compiler output

Implementation: crypto_sign/pflash1/ref
Compiler: cc

Number of similar (compiler,implementation) pairs: 99, namely:

Compiler	Implementations
cc	ref
gcc	ref
gcc -O2 -fomit-frame-pointer	ref
gcc -O3 -fomit-frame-pointer	ref
gcc -O -fomit-frame-pointer	ref
gcc -Os -fomit-frame-pointer	ref
gcc -fno-schedule-insns -O2 -fomit-frame-pointer	ref
gcc -fno-schedule-insns -O3 -fomit-frame-pointer	ref
gcc -fno-schedule-insns -O -fomit-frame-pointer	ref
gcc -fno-schedule-insns -Os -fomit-frame-pointer	ref
gcc -funroll-loops	ref
gcc -funroll-loops -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -O -fomit-frame-pointer	ref
gcc -funroll-loops -Os -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer	ref
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -O -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -Os -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer	ref
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer	ref
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer	ref
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer	ref
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer	ref
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer	ref
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer	ref
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer	ref
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer	ref
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer	ref
gcc -m64 -O2 -fomit-frame-pointer	ref
gcc -m64 -O3 -fomit-frame-pointer	ref
gcc -m64 -O -fomit-frame-pointer	ref
gcc -m64 -Os -fomit-frame-pointer	ref
gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer	ref
gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer	ref
gcc -m64 -march=core-avx-i -O -fomit-frame-pointer	ref
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer	ref
gcc -m64 -march=core2 -O2 -fomit-frame-pointer	ref
gcc -m64 -march=core2 -O3 -fomit-frame-pointer	ref
gcc -m64 -march=core2 -O -fomit-frame-pointer	ref
gcc -m64 -march=core2 -Os -fomit-frame-pointer	ref
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer	ref
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer	ref
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer	ref
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer	ref
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer	ref
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer	ref
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer	ref
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer	ref
gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer	ref
gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer	ref
gcc -m64 -march=corei7-avx -O -fomit-frame-pointer	ref
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer	ref
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer	ref
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer	ref
gcc -m64 -march=corei7 -O -fomit-frame-pointer	ref
gcc -m64 -march=corei7 -Os -fomit-frame-pointer	ref
gcc -m64 -march=k8 -O2 -fomit-frame-pointer	ref
gcc -m64 -march=k8 -O3 -fomit-frame-pointer	ref
gcc -m64 -march=k8 -O -fomit-frame-pointer	ref
gcc -m64 -march=k8 -Os -fomit-frame-pointer	ref
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer	ref
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer	ref
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer	ref
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer	ref
gcc -m64 -march=nocona -O2 -fomit-frame-pointer	ref
gcc -m64 -march=nocona -O3 -fomit-frame-pointer	ref
gcc -m64 -march=nocona -O -fomit-frame-pointer	ref
gcc -m64 -march=nocona -Os -fomit-frame-pointer	ref
gcc -march=barcelona -O2 -fomit-frame-pointer	ref
gcc -march=barcelona -O3 -fomit-frame-pointer	ref
gcc -march=barcelona -O -fomit-frame-pointer	ref
gcc -march=barcelona -Os -fomit-frame-pointer	ref
gcc -march=k8 -O2 -fomit-frame-pointer	ref
gcc -march=k8 -O3 -fomit-frame-pointer	ref
gcc -march=k8 -O -fomit-frame-pointer	ref
gcc -march=k8 -Os -fomit-frame-pointer	ref
gcc -march=nocona -O2 -fomit-frame-pointer	ref
gcc -march=nocona -O3 -fomit-frame-pointer	ref
gcc -march=nocona -O -fomit-frame-pointer	ref
gcc -march=nocona -Os -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_sign/pflash1/ref
Compiler: clang -O3

SignScheme.c: SignScheme.c:211:19: warning: passing 'const unsigned char *' to parameter of type 'byte *' (aka 'unsigned char *') discards qualifiers [-Wincompatible-pointer-types]
SignScheme.c: SignScheme_sign( sk , h , mlen , sm );
SignScheme.c: ^~
SignScheme.c: SignScheme.c:95:29: note: passing argument to parameter 'pri' here
SignScheme.c: int SignScheme_sign( byte * pri , byte * Y , int Ylen , byte * outX )
SignScheme.c: ^
SignScheme.c: SignScheme.c:227:19: warning: passing 'const unsigned char *' to parameter of type 'byte *' (aka 'unsigned char *') discards qualifiers [-Wincompatible-pointer-types]
SignScheme.c: SignScheme_GMap( pk , sm , h );
SignScheme.c: ^~
SignScheme.c: SignScheme.c:152:29: note: passing argument to parameter 'pub' here
SignScheme.c: int SignScheme_GMap( byte * pub , byte * X , byte * outY )
SignScheme.c: ^
SignScheme.c: SignScheme.c:227:24: warning: passing 'const unsigned char *' to parameter of type 'byte *' (aka 'unsigned char *') discards qualifiers [-Wincompatible-pointer-types]
SignScheme.c: SignScheme_GMap( pk , sm , h );
SignScheme.c: ^~
SignScheme.c: SignScheme.c:152:42: note: passing argument to parameter 'X' here
SignScheme.c: int SignScheme_GMap( byte * pub , byte * X , byte * outY )
SignScheme.c: ^
SignScheme.c: 3 warnings generated.
try.c: crypto_sign_pflash1.a(PFLASH.o):PFLASH.c:function PFLASH_QMap: error: undefined reference to 'polyPow88'
try.c: crypto_sign_pflash1.a(PFLASH.o):PFLASH.c:function PFLASH_ivsQMap: error: undefined reference to 'polyPow24'
try.c: crypto_sign_pflash1.a(PFLASH.o):PFLASH.c:function PFLASH_ivsQMap: error: undefined reference to 'polyPow8'
try.c: crypto_sign_pflash1.a(PFLASH.o):PFLASH.c:function PFLASH_ivsQMap: error: undefined reference to 'polyPow8'
try.c: crypto_sign_pflash1.a(PFLASH.o):PFLASH.c:function PFLASH_ivsQMap: error: undefined reference to 'polyPow8'
try.c: crypto_sign_pflash1.a(PFLASH.o):PFLASH.c:function PFLASH_ivsQMap: error: undefined reference to 'polyPow8'
try.c: crypto_sign_pflash1.a(PFLASH.o):PFLASH.c:function PFLASH_ivsQMap: error: undefined reference to 'polyPow56'
try.c: crypto_sign_pflash1.a(PFLASH.o):PFLASH.c:function PFLASH_ivsQMap: error: undefined reference to 'polyPow56'
try.c: crypto_sign_pflash1.a(PFLASH.o):PFLASH.c:function PFLASH_ivsQMap: error: undefined reference to 'polyPow56'
try.c: crypto_sign_pflash1.a(PFLASH.o):PFLASH.c:function PFLASH_ivsQMap: error: undefined reference to 'polyPow56'
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

Number of similar (compiler,implementation) pairs: 2, namely:

Compiler	Implementations
clang -O3	ref
clang -O3 -mavx	ref

Compiler output

Implementation: crypto_sign/pflash1/ref
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer

SignScheme.c: SignScheme.c: In function 'signatureofshorthash':
SignScheme.c: SignScheme.c:211:2: warning: passing argument 1 of 'SignScheme_sign' discards 'const' qualifier from pointer target type [enabled by default]
SignScheme.c: SignScheme.c:95:5: note: expected 'byte *' but argument is of type 'const unsigned char *'
SignScheme.c: SignScheme.c: In function 'verification':
SignScheme.c: SignScheme.c:227:2: warning: passing argument 1 of 'SignScheme_GMap' discards 'const' qualifier from pointer target type [enabled by default]
SignScheme.c: SignScheme.c:152:5: note: expected 'byte *' but argument is of type 'const unsigned char *'
SignScheme.c: SignScheme.c:227:2: warning: passing argument 2 of 'SignScheme_GMap' discards 'const' qualifier from pointer target type [enabled by default]
SignScheme.c: SignScheme.c:152:5: note: expected 'byte *' but argument is of type 'const unsigned char *'
SignScheme.c: SignScheme.c: In function 'signatureofshorthash':
SignScheme.c: SignScheme.c:211:2: warning: passing argument 1 of 'SignScheme_sign' discards 'const' qualifier from pointer target type [enabled by default]
SignScheme.c: SignScheme.c:95:5: note: expected 'byte *' but argument is of type 'const unsigned char *'
SignScheme.c: SignScheme.c: In function 'verification':
SignScheme.c: SignScheme.c:227:2: warning: passing argument 1 of 'SignScheme_GMap' discards 'const' qualifier from pointer target type [enabled by default]
SignScheme.c: SignScheme.c:152:5: note: expected 'byte *' but argument is of type 'const unsigned char *'
SignScheme.c: SignScheme.c:227:2: warning: passing argument 2 of 'SignScheme_GMap' discards 'const' qualifier from pointer target type [enabled by default]
SignScheme.c: SignScheme.c:152:5: note: expected 'byte *' but argument is of type 'const unsigned char *'

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -m64 -march=barcelona -O2 -fomit-frame-pointer	ref
gcc -m64 -march=barcelona -O3 -fomit-frame-pointer	ref
gcc -m64 -march=barcelona -O -fomit-frame-pointer	ref
gcc -m64 -march=barcelona -Os -fomit-frame-pointer	ref