Implementation notes: x86, h3neo, crypto_hash/skein256256

Computer: h3neo
Architecture: x86
CPU ID: AuthenticAMD-00100f63-078bfbff
SUPERCOP version: 20170105
Operation: crypto_hash
Primitive: skein256256
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
74387? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-2_-O3_-fomit-frame-pointer2016101620161009
74401? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-3_-O3_-fomit-frame-pointer2016101620161009
75050? ? ?? ? ?optgcc_-m32_-march=k6-3_-O3_-fomit-frame-pointer2016101620161009
75057? ? ?? ? ?optgcc_-m32_-march=k6-2_-O3_-fomit-frame-pointer2016101620161009
75152? ? ?? ? ?optgcc_-m32_-march=i486_-O3_-fomit-frame-pointer2016101620161009
75179? ? ?? ? ?optgcc_-m32_-march=i486_-O2_-fomit-frame-pointer2016101620161009
75181? ? ?? ? ?optgcc_-m32_-march=i386_-O3_-fomit-frame-pointer2016101620161009
75223? ? ?? ? ?optgcc_-m32_-march=i386_-O2_-fomit-frame-pointer2016101620161009
75305? ? ?? ? ?optgcc_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2016101620161009
75310? ? ?? ? ?optgcc_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2016101620161009
75313? ? ?? ? ?optgcc_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2016101620161009
75317? ? ?? ? ?optgcc_-m32_-march=pentium2_-O3_-fomit-frame-pointer2016101620161009
75317? ? ?? ? ?optgcc_-m32_-march=pentium3_-O2_-fomit-frame-pointer2016101620161009
75322? ? ?? ? ?optgcc_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2016101620161009
75327? ? ?? ? ?optgcc_-m32_-march=barcelona_-O3_-fomit-frame-pointer2016101620161009
75329? ? ?? ? ?optgcc_-m32_-march=k8_-O3_-fomit-frame-pointer2016101620161009
75329? ? ?? ? ?optgcc_-m32_-march=pentium3_-O3_-fomit-frame-pointer2016101620161009
75334? ? ?? ? ?optgcc_-m32_-march=athlon_-O3_-fomit-frame-pointer2016101620161009
75334? ? ?? ? ?optgcc_-m32_-march=pentium2_-O2_-fomit-frame-pointer2016101620161009
75339? ? ?? ? ?optgcc_-m32_-march=native_-mtune=native_-O3_-fomit-frame-pointer2016101620161009
75402? ? ?? ? ?optgcc_-m32_-march=corei7_-O2_-fomit-frame-pointer2016101620161009
75405? ? ?? ? ?optgcc_-m32_-march=core2_-O2_-fomit-frame-pointer2016101620161009
75434? ? ?? ? ?optgcc_-m32_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2016101620161009
75439? ? ?? ? ?optgcc_-m32_-march=core2_-msse4_-O2_-fomit-frame-pointer2016101620161009
75523? ? ?? ? ?optgcc_-m32_-march=barcelona_-O2_-fomit-frame-pointer2016101620161009
75532? ? ?? ? ?optgcc_-m32_-march=k8_-O2_-fomit-frame-pointer2016101620161009
75538? ? ?? ? ?optgcc_-m32_-march=native_-mtune=native_-O2_-fomit-frame-pointer2016101620161009
75543? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium2_-O3_-fomit-frame-pointer2016101620161009
75543? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2016101620161009
75544? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium2_-O2_-fomit-frame-pointer2016101620161009
75546? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2016101620161009
75551? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium3_-O3_-fomit-frame-pointer2016101620161009
75558? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2016101620161009
75560? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2016101620161009
75562? ? ?? ? ?optgcc_-m32_-O3_-fomit-frame-pointer2016101620161009
75565? ? ?? ? ?optgcc_-m32_-march=athlon_-O2_-fomit-frame-pointer2016101620161009
75568? ? ?? ? ?optgcc_-m32_-O2_-fomit-frame-pointer2016101620161009
75580? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium3_-O2_-fomit-frame-pointer2016101620161009
75694? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i386_-O3_-fomit-frame-pointer2016101620161009
75730? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-2_-O2_-fomit-frame-pointer2016101620161009
75742? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-3_-O2_-fomit-frame-pointer2016101620161009
75745? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6_-O2_-fomit-frame-pointer2016101620161009
75767? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6_-O3_-fomit-frame-pointer2016101620161009
75853? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k8_-O3_-fomit-frame-pointer2016101620161009
75864? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=barcelona_-O3_-fomit-frame-pointer2016101620161009
75907? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=athlon_-O3_-fomit-frame-pointer2016101620161009
75916? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i386_-O2_-fomit-frame-pointer2016101620161009
75930? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i486_-O3_-fomit-frame-pointer2016101620161009
75953? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i486_-O2_-fomit-frame-pointer2016101620161009
75985? ? ?? ? ?optgcc_-m32_-march=k6_-O2_-fomit-frame-pointer2016101620161009
75987? ? ?? ? ?optgcc_-m32_-march=k6_-O3_-fomit-frame-pointer2016101620161009
75992? ? ?? ? ?optgcc_-m32_-march=k6-2_-O2_-fomit-frame-pointer2016101620161009
75992? ? ?? ? ?optgcc_-m32_-march=k6-3_-O2_-fomit-frame-pointer2016101620161009
76038? ? ?? ? ?optgcc_-m32_-march=prescott_-O3_-fomit-frame-pointer2016101620161009
76063? ? ?? ? ?optgcc_-m32_-march=nocona_-O3_-fomit-frame-pointer2016101620161009
76103? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k8_-O2_-fomit-frame-pointer2016101620161009
76109? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=barcelona_-O2_-fomit-frame-pointer2016101620161009
76206? ? ?? ? ?optgcc_-m32_-march=pentium_-O2_-fomit-frame-pointer2016101620161009
76208? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=athlon_-O2_-fomit-frame-pointer2016101620161009
76209? ? ?? ? ?optgcc_-m32_-march=pentium_-O3_-fomit-frame-pointer2016101620161009
76218? ? ?? ? ?optgcc_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2016101620161009
76218? ? ?? ? ?optgcc_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2016101620161009
76233? ? ?? ? ?optgcc_-funroll-loops_-m32_-O2_-fomit-frame-pointer2016101620161009
76277? ? ?? ? ?optgcc_-funroll-loops_-m32_-O3_-fomit-frame-pointer2016101620161009
76483? ? ?? ? ?optgcc_-m32_-march=pentium4_-O2_-fomit-frame-pointer2016101620161009
76507? ? ?? ? ?optgcc_-m32_-march=pentium4_-O3_-fomit-frame-pointer2016101620161009
76521? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium4_-O3_-fomit-frame-pointer2016101620161009
76595? ? ?? ? ?optgcc_-m32_-march=nocona_-O2_-fomit-frame-pointer2016101620161009
76633? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=prescott_-O2_-fomit-frame-pointer2016101620161009
76633? ? ?? ? ?optgcc_-m32_-march=prescott_-O2_-fomit-frame-pointer2016101620161009
76651? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=nocona_-O2_-fomit-frame-pointer2016101620161009
76715? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium4_-O2_-fomit-frame-pointer2016101620161009
76781? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=prescott_-O3_-fomit-frame-pointer2016101620161009
76794? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=nocona_-O3_-fomit-frame-pointer2016101620161009
77270? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=prescott_-Os_-fomit-frame-pointer2016101620161009
77289? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=nocona_-Os_-fomit-frame-pointer2016101620161009
77374? ? ?? ? ?optgcc_-m32_-march=i486_-Os_-fomit-frame-pointer2016101620161009
77379? ? ?? ? ?optgcc_-m32_-march=i386_-Os_-fomit-frame-pointer2016101620161009
77396? ? ?? ? ?optgcc_-m32_-march=nocona_-Os_-fomit-frame-pointer2016101620161009
77396? ? ?? ? ?optgcc_-m32_-march=pentium4_-Os_-fomit-frame-pointer2016101620161009
77406? ? ?? ? ?optgcc_-m32_-march=prescott_-Os_-fomit-frame-pointer2016101620161009
77432? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium4_-Os_-fomit-frame-pointer2016101620161009
77433? ? ?? ? ?optgcc_-m32_-march=core2_-Os_-fomit-frame-pointer2016101620161009
77447? ? ?? ? ?optgcc_-m32_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2016101620161009
77447? ? ?? ? ?optgcc_-m32_-march=core2_-msse4_-Os_-fomit-frame-pointer2016101620161009
77457? ? ?? ? ?optgcc_-m32_-march=corei7_-Os_-fomit-frame-pointer2016101620161009
77850? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i486_-Os_-fomit-frame-pointer2016101620161009
77857? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i386_-Os_-fomit-frame-pointer2016101620161009
78290? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2016101620161009
78313? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium_-O3_-fomit-frame-pointer2016101620161009
78317? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium_-O2_-fomit-frame-pointer2016101620161009
78326? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2016101620161009
78387? ? ?? ? ?optgcc_-m32_-march=pentium3_-Os_-fomit-frame-pointer2016101620161009
78392? ? ?? ? ?optgcc_-m32_-march=k8_-Os_-fomit-frame-pointer2016101620161009
78396? ? ?? ? ?optgcc_-m32_-march=native_-mtune=native_-Os_-fomit-frame-pointer2016101620161009
78399? ? ?? ? ?optgcc_-m32_-march=barcelona_-Os_-fomit-frame-pointer2016101620161009
78426? ? ?? ? ?optgcc_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2016101620161009
78484? ? ?? ? ?optgcc_-m32_-march=pentium_-Os_-fomit-frame-pointer2016101620161009
78498? ? ?? ? ?optgcc_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2016101620161009
78608? ? ?? ? ?optgcc_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2016101620161009
78611? ? ?? ? ?optgcc_-m32_-march=pentium2_-Os_-fomit-frame-pointer2016101620161009
78613? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2016101620161009
78623? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium_-Os_-fomit-frame-pointer2016101620161009
78974? ? ?? ? ?optgcc_-m32_-march=k6-3_-Os_-fomit-frame-pointer2016101620161009
78977? ? ?? ? ?optgcc_-m32_-march=k6_-Os_-fomit-frame-pointer2016101620161009
78989? ? ?? ? ?optgcc_-m32_-march=k6-2_-Os_-fomit-frame-pointer2016101620161009
79089? ? ?? ? ?optgcc_-m32_-Os_-fomit-frame-pointer2016101620161009
79101? ? ?? ? ?optgcc_-m32_-march=athlon_-Os_-fomit-frame-pointer2016101620161009
80322? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium3_-Os_-fomit-frame-pointer2016101620161009
80342? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2016101620161009
80541? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=barcelona_-Os_-fomit-frame-pointer2016101620161009
80551? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k8_-Os_-fomit-frame-pointer2016101620161009
80667? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2016101620161009
80670? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6_-Os_-fomit-frame-pointer2016101620161009
80670? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium2_-Os_-fomit-frame-pointer2016101620161009
80675? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-3_-Os_-fomit-frame-pointer2016101620161009
80689? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-2_-Os_-fomit-frame-pointer2016101620161009
81233? ? ?? ? ?optgcc_-funroll-loops_-m32_-Os_-fomit-frame-pointer2016101620161009
81248? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=athlon_-Os_-fomit-frame-pointer2016101620161009
83946? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=nocona_-O_-fomit-frame-pointer2016101620161009
83966? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=prescott_-O_-fomit-frame-pointer2016101620161009
84089? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium4_-O_-fomit-frame-pointer2016101620161009
84339? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k8_-O_-fomit-frame-pointer2016101620161009
84393? ? ?? ? ?optgcc_-funroll-loops_-m32_-O_-fomit-frame-pointer2016101620161009
84458? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i386_-O_-fomit-frame-pointer2016101620161009
84706? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-3_-O_-fomit-frame-pointer2016101620161009
84709? ? ?? ? ?optgcc_-m32_-march=nocona_-O_-fomit-frame-pointer2016101620161009
84709? ? ?? ? ?optgcc_-m32_-march=prescott_-O_-fomit-frame-pointer2016101620161009
84718? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-2_-O_-fomit-frame-pointer2016101620161009
84723? ? ?? ? ?optgcc_-m32_-march=pentium4_-O_-fomit-frame-pointer2016101620161009
84743? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i486_-O_-fomit-frame-pointer2016101620161009
84750? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=barcelona_-O_-fomit-frame-pointer2016101620161009
84762? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-m_-O_-fomit-frame-pointer2016101620161009
84767? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium_-O_-fomit-frame-pointer2016101620161009
84769? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2016101620161009
84769? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium3_-O_-fomit-frame-pointer2016101620161009
84773? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2016101620161009
84794? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6_-O_-fomit-frame-pointer2016101620161009
84794? ? ?? ? ?optgcc_-m32_-march=pentium-m_-O_-fomit-frame-pointer2016101620161009
84823? ? ?? ? ?optgcc_-m32_-march=pentium3_-O_-fomit-frame-pointer2016101620161009
84827? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium2_-O_-fomit-frame-pointer2016101620161009
84861? ? ?? ? ?optgcc_-m32_-march=core2_-O_-fomit-frame-pointer2016101620161009
84866? ? ?? ? ?optgcc_-m32_-march=core2_-msse4.1_-O_-fomit-frame-pointer2016101620161009
84866? ? ?? ? ?optgcc_-m32_-march=core2_-msse4_-O_-fomit-frame-pointer2016101620161009
84876? ? ?? ? ?optgcc_-m32_-march=barcelona_-O_-fomit-frame-pointer2016101620161009
84879? ? ?? ? ?optgcc_-m32_-march=native_-mtune=native_-O_-fomit-frame-pointer2016101620161009
84893? ? ?? ? ?optgcc_-m32_-march=corei7_-O_-fomit-frame-pointer2016101620161009
84910? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=athlon_-O_-fomit-frame-pointer2016101620161009
84925? ? ?? ? ?optgcc_-m32_-march=pentium_-O_-fomit-frame-pointer2016101620161009
84930? ? ?? ? ?optgcc_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2016101620161009
84944? ? ?? ? ?optgcc_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2016101620161009
84946? ? ?? ? ?optgcc_-m32_-march=pentium2_-O_-fomit-frame-pointer2016101620161009
85024? ? ?? ? ?optgcc_-m32_-march=k8_-O_-fomit-frame-pointer2016101620161009
85031? ? ?? ? ?optgcc_-m32_-march=athlon_-O_-fomit-frame-pointer2016101620161009
85036? ? ?? ? ?optgcc_-m32_-march=i386_-O_-fomit-frame-pointer2016101620161009
85037? ? ?? ? ?optgcc_-m32_-march=k6-3_-O_-fomit-frame-pointer2016101620161009
85053? ? ?? ? ?optgcc_-m32_-march=i486_-O_-fomit-frame-pointer2016101620161009
85136? ? ?? ? ?optgcc_-m32_-march=k6-2_-O_-fomit-frame-pointer2016101620161009
85136? ? ?? ? ?optgcc_-m32_-march=k6_-O_-fomit-frame-pointer2016101620161009
85187? ? ?? ? ?optgcc_-m32_-O_-fomit-frame-pointer2016101620161009

Checksum failure

Implementation: crypto_hash/skein256256/xmm
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer
f1842d193d830e780d823e7feb35a42ba72a4991152e3bce84bac20e9a27fbda
Number of similar (compiler,implementation) pairs: 156, namely:
CompilerImplementations
gcc -funroll-loops -m32 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer xmm
gcc -m32 -O2 -fomit-frame-pointer xmm
gcc -m32 -O3 -fomit-frame-pointer xmm
gcc -m32 -O -fomit-frame-pointer xmm
gcc -m32 -Os -fomit-frame-pointer xmm
gcc -m32 -march=athlon -O2 -fomit-frame-pointer xmm
gcc -m32 -march=athlon -O3 -fomit-frame-pointer xmm
gcc -m32 -march=athlon -O -fomit-frame-pointer xmm
gcc -m32 -march=athlon -Os -fomit-frame-pointer xmm
gcc -m32 -march=core2 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=core2 -O -fomit-frame-pointer xmm
gcc -m32 -march=core2 -Os -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer xmm
gcc -m32 -march=corei7 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=corei7 -O -fomit-frame-pointer xmm
gcc -m32 -march=corei7 -Os -fomit-frame-pointer xmm
gcc -m32 -march=i386 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=i386 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=i386 -O -fomit-frame-pointer xmm
gcc -m32 -march=i386 -Os -fomit-frame-pointer xmm
gcc -m32 -march=i486 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=i486 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=i486 -O -fomit-frame-pointer xmm
gcc -m32 -march=i486 -Os -fomit-frame-pointer xmm
gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=k6-2 -O -fomit-frame-pointer xmm
gcc -m32 -march=k6-2 -Os -fomit-frame-pointer xmm
gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=k6-3 -O -fomit-frame-pointer xmm
gcc -m32 -march=k6-3 -Os -fomit-frame-pointer xmm
gcc -m32 -march=k6 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=k6 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=k6 -O -fomit-frame-pointer xmm
gcc -m32 -march=k6 -Os -fomit-frame-pointer xmm
gcc -m32 -march=k8 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=k8 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=k8 -O -fomit-frame-pointer xmm
gcc -m32 -march=k8 -Os -fomit-frame-pointer xmm
gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer xmm
gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer xmm
gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer xmm
gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer xmm
gcc -m32 -march=nocona -O2 -fomit-frame-pointer xmm
gcc -m32 -march=nocona -O3 -fomit-frame-pointer xmm
gcc -m32 -march=nocona -O -fomit-frame-pointer xmm
gcc -m32 -march=nocona -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium-m -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium-m -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium2 -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium2 -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium3 -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium4 -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium4 -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentiumpro -O -fomit-frame-pointer xmm
gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer xmm
gcc -m32 -march=prescott -O2 -fomit-frame-pointer xmm
gcc -m32 -march=prescott -O3 -fomit-frame-pointer xmm
gcc -m32 -march=prescott -O -fomit-frame-pointer xmm
gcc -m32 -march=prescott -Os -fomit-frame-pointer xmm

Checksum failure

Implementation: crypto_hash/skein256256/xmm
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer
f1842d193d830e780d823e7feb35a42ba72a4991152e3bce84bac20e9a27fbda f1842d193d830e780d823e7feb35a42ba72a4991152e3bce84bac20e9a27fbda
Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -m32 -march=barcelona -O2 -fomit-frame-pointer xmm
gcc -m32 -march=barcelona -O3 -fomit-frame-pointer xmm
gcc -m32 -march=barcelona -O -fomit-frame-pointer xmm
gcc -m32 -march=barcelona -Os -fomit-frame-pointer xmm

Test failure

Implementation: crypto_hash/skein256256/opt
Compiler: gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 20, namely:
CompilerImplementations
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer opt xmm
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer opt xmm
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer opt xmm
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer opt xmm
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer opt xmm
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer opt xmm
gcc -m32 -march=core2 -O3 -fomit-frame-pointer opt xmm
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer opt xmm
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer opt xmm
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer opt xmm

Compiler output

Implementation: crypto_hash/skein256256/xmm
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer
skein_block_xmm32.S: skein_block_xmm32.S:297:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
skein_block_xmm32.S: movl %ebx,%esp #get rid of locals (wipe??)
skein_block_xmm32.S: ^

Number of similar (compiler,implementation) pairs: 166, namely:
CompilerImplementations
gcc -funroll-loops -m32 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer xmm
gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer xmm
gcc -m32 -O2 -fomit-frame-pointer xmm
gcc -m32 -O3 -fomit-frame-pointer xmm
gcc -m32 -O -fomit-frame-pointer xmm
gcc -m32 -Os -fomit-frame-pointer xmm
gcc -m32 -march=athlon -O2 -fomit-frame-pointer xmm
gcc -m32 -march=athlon -O3 -fomit-frame-pointer xmm
gcc -m32 -march=athlon -O -fomit-frame-pointer xmm
gcc -m32 -march=athlon -Os -fomit-frame-pointer xmm
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer xmm
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer xmm
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer xmm
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer xmm
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer xmm
gcc -m32 -march=core2 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=core2 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=core2 -O -fomit-frame-pointer xmm
gcc -m32 -march=core2 -Os -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer xmm
gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer xmm
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer xmm
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer xmm
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer xmm
gcc -m32 -march=corei7 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=corei7 -O -fomit-frame-pointer xmm
gcc -m32 -march=corei7 -Os -fomit-frame-pointer xmm
gcc -m32 -march=i386 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=i386 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=i386 -O -fomit-frame-pointer xmm
gcc -m32 -march=i386 -Os -fomit-frame-pointer xmm
gcc -m32 -march=i486 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=i486 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=i486 -O -fomit-frame-pointer xmm
gcc -m32 -march=i486 -Os -fomit-frame-pointer xmm
gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=k6-2 -O -fomit-frame-pointer xmm
gcc -m32 -march=k6-2 -Os -fomit-frame-pointer xmm
gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=k6-3 -O -fomit-frame-pointer xmm
gcc -m32 -march=k6-3 -Os -fomit-frame-pointer xmm
gcc -m32 -march=k6 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=k6 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=k6 -O -fomit-frame-pointer xmm
gcc -m32 -march=k6 -Os -fomit-frame-pointer xmm
gcc -m32 -march=k8 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=k8 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=k8 -O -fomit-frame-pointer xmm
gcc -m32 -march=k8 -Os -fomit-frame-pointer xmm
gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer xmm
gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer xmm
gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer xmm
gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer xmm
gcc -m32 -march=nocona -O2 -fomit-frame-pointer xmm
gcc -m32 -march=nocona -O3 -fomit-frame-pointer xmm
gcc -m32 -march=nocona -O -fomit-frame-pointer xmm
gcc -m32 -march=nocona -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium-m -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium-m -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium2 -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium2 -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium3 -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium4 -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium4 -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentium -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentium -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentium -O -fomit-frame-pointer xmm
gcc -m32 -march=pentium -Os -fomit-frame-pointer xmm
gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer xmm
gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer xmm
gcc -m32 -march=pentiumpro -O -fomit-frame-pointer xmm
gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer xmm
gcc -m32 -march=prescott -O2 -fomit-frame-pointer xmm
gcc -m32 -march=prescott -O3 -fomit-frame-pointer xmm
gcc -m32 -march=prescott -O -fomit-frame-pointer xmm
gcc -m32 -march=prescott -Os -fomit-frame-pointer xmm

Compiler output

Implementation: crypto_hash/skein256256/xmm
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer
skein_block_xmm32.S: skein_block_xmm32.S:297:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
skein_block_xmm32.S: movl %ebx,%esp #get rid of locals (wipe??)
skein_block_xmm32.S: ^
skein_block_xmm32.S: skein_block_xmm32.S:297:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
skein_block_xmm32.S: movl %ebx,%esp #get rid of locals (wipe??)
skein_block_xmm32.S: ^

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -m32 -march=barcelona -O2 -fomit-frame-pointer xmm
gcc -m32 -march=barcelona -O3 -fomit-frame-pointer xmm
gcc -m32 -march=barcelona -O -fomit-frame-pointer xmm
gcc -m32 -march=barcelona -Os -fomit-frame-pointer xmm