Implementation notes: x86, katana, crypto_hash/skein256256

Computer: katana
Architecture: x86
CPU ID: GenuineIntel-000006f6-bfebfbff
SUPERCOP version: 20170105
Operation: crypto_hash
Primitive: skein256256
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
56368? ? ?? ? ?optgcc_-m32_-march=k6-2_-O3_-fomit-frame-pointer2016101420161009
56568? ? ?? ? ?optgcc_-m32_-march=k6-3_-O3_-fomit-frame-pointer2016101420161009
56584? ? ?? ? ?optgcc_-m32_-march=athlon_-O3_-fomit-frame-pointer2016101420161009
56600? ? ?? ? ?optgcc_-m32_-march=barcelona_-O3_-fomit-frame-pointer2016101420161009
56616? ? ?? ? ?optgcc_-m32_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2016101420161009
56624? ? ?? ? ?optgcc_-m32_-O2_-fomit-frame-pointer2016101420161009
56648? ? ?? ? ?optgcc_-m32_-march=corei7_-O2_-fomit-frame-pointer2016101420161009
56664? ? ?? ? ?optgcc_-m32_-O3_-fomit-frame-pointer2016101420161009
56680? ? ?? ? ?optgcc_-m32_-march=core2_-O2_-fomit-frame-pointer2016101420161009
56680? ? ?? ? ?optgcc_-m32_-march=k8_-O2_-fomit-frame-pointer2016101420161009
56712? ? ?? ? ?optgcc_-m32_-march=k8_-O3_-fomit-frame-pointer2016101420161009
56776? ? ?? ? ?optgcc_-m32_-march=athlon_-O2_-fomit-frame-pointer2016101420161009
56784? ? ?? ? ?optgcc_-m32_-march=core2_-O3_-fomit-frame-pointer2016101420161009
56792? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k8_-O3_-fomit-frame-pointer2016101420161009
56808? ? ?? ? ?optgcc_-m32_-march=native_-mtune=native_-O3_-fomit-frame-pointer2016101420161009
56840? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-2_-O3_-fomit-frame-pointer2016101420161009
56840? ? ?? ? ?optgcc_-m32_-march=barcelona_-O2_-fomit-frame-pointer2016101420161009
56864? ? ?? ? ?optgcc_-m32_-march=core2_-msse4_-O2_-fomit-frame-pointer2016101420161009
56872? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-3_-O3_-fomit-frame-pointer2016101420161009
56872? ? ?? ? ?optgcc_-m32_-march=native_-mtune=native_-O2_-fomit-frame-pointer2016101420161009
56880? ? ?? ? ?optgcc_-m32_-march=pentium3_-O3_-fomit-frame-pointer2016101420161009
56904? ? ?? ? ?optgcc_-m32_-march=pentium2_-O2_-fomit-frame-pointer2016101420161009
56968? ? ?? ? ?optgcc_-m32_-march=pentium3_-O2_-fomit-frame-pointer2016101420161009
56992? ? ?? ? ?optgcc_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2016101420161009
57024? ? ?? ? ?optgcc_-m32_-march=pentium2_-O3_-fomit-frame-pointer2016101420161009
57056? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=athlon_-O3_-fomit-frame-pointer2016101420161009
57096? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2016101420161009
57112? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2016101420161009
57112? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium2_-O3_-fomit-frame-pointer2016101420161009
57128? ? ?? ? ?optgcc_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2016101420161009
57136? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium3_-O3_-fomit-frame-pointer2016101420161009
57144? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium2_-O2_-fomit-frame-pointer2016101420161009
57144? ? ?? ? ?optgcc_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2016101420161009
57160? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=barcelona_-O3_-fomit-frame-pointer2016101420161009
57176? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium3_-O2_-fomit-frame-pointer2016101420161009
57184? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2016101420161009
57192? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2016101420161009
57192? ? ?? ? ?optgcc_-m32_-march=k6-2_-O2_-fomit-frame-pointer2016101420161009
57208? ? ?? ? ?optgcc_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2016101420161009
57224? ? ?? ? ?optgcc_-m32_-march=k6_-O3_-fomit-frame-pointer2016101420161009
57344? ? ?? ? ?optgcc_-m32_-march=k6-3_-O2_-fomit-frame-pointer2016101420161009
57376? ? ?? ? ?optgcc_-m32_-march=k6_-O2_-fomit-frame-pointer2016101420161009
57584? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k8_-O2_-fomit-frame-pointer2016101420161009
57672? ? ?? ? ?optgcc_-funroll-loops_-m32_-O2_-fomit-frame-pointer2016101420161009
57720? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=athlon_-O2_-fomit-frame-pointer2016101420161009
57824? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6_-O2_-fomit-frame-pointer2016101420161009
57848? ? ?? ? ?optgcc_-funroll-loops_-m32_-O3_-fomit-frame-pointer2016101420161009
57856? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=barcelona_-O2_-fomit-frame-pointer2016101420161009
57904? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-3_-O2_-fomit-frame-pointer2016101420161009
57904? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6_-O3_-fomit-frame-pointer2016101420161009
57912? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-2_-O2_-fomit-frame-pointer2016101420161009
58128? ? ?? ? ?optgcc_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2016101420161009
58128? ? ?? ? ?optgcc_-m32_-march=pentium_-O2_-fomit-frame-pointer2016101420161009
58128? ? ?? ? ?optgcc_-m32_-march=pentium_-O3_-fomit-frame-pointer2016101420161009
58144? ? ?? ? ?optgcc_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2016101420161009
58240? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2016101420161009
58248? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium_-O3_-fomit-frame-pointer2016101420161009
58272? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2016101420161009
58320? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium_-O2_-fomit-frame-pointer2016101420161009
58576? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium4_-O3_-fomit-frame-pointer2016101420161009
58648? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=nocona_-O2_-fomit-frame-pointer2016101420161009
58712? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=prescott_-O2_-fomit-frame-pointer2016101420161009
58736? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium4_-O2_-fomit-frame-pointer2016101420161009
58880? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=nocona_-O3_-fomit-frame-pointer2016101420161009
58960? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=prescott_-O3_-fomit-frame-pointer2016101420161009
59376? ? ?? ? ?optgcc_-m32_-march=nocona_-O2_-fomit-frame-pointer2016101420161009
59384? ? ?? ? ?optgcc_-m32_-march=pentium4_-O3_-fomit-frame-pointer2016101420161009
59416? ? ?? ? ?optgcc_-m32_-march=nocona_-O3_-fomit-frame-pointer2016101420161009
59432? ? ?? ? ?optgcc_-m32_-march=prescott_-O3_-fomit-frame-pointer2016101420161009
59464? ? ?? ? ?optgcc_-m32_-march=pentium4_-O2_-fomit-frame-pointer2016101420161009
59488? ? ?? ? ?optgcc_-m32_-march=prescott_-O2_-fomit-frame-pointer2016101420161009
59736? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i486_-O2_-fomit-frame-pointer2016101420161009
60032? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i486_-O3_-fomit-frame-pointer2016101420161009
60040? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i386_-O2_-fomit-frame-pointer2016101420161009
60072? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i386_-O3_-fomit-frame-pointer2016101420161009
60216? ? ?? ? ?optgcc_-m32_-march=i386_-O3_-fomit-frame-pointer2016101420161009
60224? ? ?? ? ?optgcc_-m32_-march=i486_-O2_-fomit-frame-pointer2016101420161009
60240? ? ?? ? ?optgcc_-m32_-march=i486_-O3_-fomit-frame-pointer2016101420161009
60344? ? ?? ? ?optgcc_-m32_-march=i386_-O2_-fomit-frame-pointer2016101420161009
71712? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=barcelona_-O_-fomit-frame-pointer2016101420161009
71720? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k8_-O_-fomit-frame-pointer2016101420161009
71768? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium4_-O_-fomit-frame-pointer2016101420161009
71784? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-2_-O_-fomit-frame-pointer2016101420161009
71808? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=nocona_-O_-fomit-frame-pointer2016101420161009
71808? ? ?? ? ?optgcc_-m32_-march=k6-3_-O_-fomit-frame-pointer2016101420161009
71816? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=prescott_-O_-fomit-frame-pointer2016101420161009
71824? ? ?? ? ?optgcc_-m32_-march=k6-2_-O_-fomit-frame-pointer2016101420161009
71832? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2016101420161009
71840? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=athlon_-O_-fomit-frame-pointer2016101420161009
71856? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium3_-O_-fomit-frame-pointer2016101420161009
71856? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2016101420161009
71864? ? ?? ? ?optgcc_-funroll-loops_-m32_-O_-fomit-frame-pointer2016101420161009
71880? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i386_-O_-fomit-frame-pointer2016101420161009
71936? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium2_-O_-fomit-frame-pointer2016101420161009
71952? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-3_-O_-fomit-frame-pointer2016101420161009
71952? ? ?? ? ?optgcc_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2016101420161009
71960? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium_-O_-fomit-frame-pointer2016101420161009
71992? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6_-O_-fomit-frame-pointer2016101420161009
72016? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i486_-O_-fomit-frame-pointer2016101420161009
72024? ? ?? ? ?optgcc_-m32_-march=native_-mtune=native_-O_-fomit-frame-pointer2016101420161009
72040? ? ?? ? ?optgcc_-m32_-march=prescott_-O_-fomit-frame-pointer2016101420161009
72072? ? ?? ? ?optgcc_-m32_-march=i486_-Os_-fomit-frame-pointer2016101420161009
72088? ? ?? ? ?optgcc_-m32_-march=nocona_-Os_-fomit-frame-pointer2016101420161009
72112? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-m_-O_-fomit-frame-pointer2016101420161009
72112? ? ?? ? ?optgcc_-m32_-march=athlon_-O_-fomit-frame-pointer2016101420161009
72144? ? ?? ? ?optgcc_-m32_-march=core2_-msse4_-O_-fomit-frame-pointer2016101420161009
72152? ? ?? ? ?optgcc_-m32_-march=barcelona_-O_-fomit-frame-pointer2016101420161009
72168? ? ?? ? ?optgcc_-m32_-march=k6-2_-Os_-fomit-frame-pointer2016101420161009
72184? ? ?? ? ?optgcc_-m32_-march=i386_-Os_-fomit-frame-pointer2016101420161009
72192? ? ?? ? ?optgcc_-m32_-march=core2_-O_-fomit-frame-pointer2016101420161009
72192? ? ?? ? ?optgcc_-m32_-march=corei7_-O_-fomit-frame-pointer2016101420161009
72200? ? ?? ? ?optgcc_-m32_-O_-fomit-frame-pointer2016101420161009
72200? ? ?? ? ?optgcc_-m32_-march=nocona_-O_-fomit-frame-pointer2016101420161009
72216? ? ?? ? ?optgcc_-m32_-march=prescott_-Os_-fomit-frame-pointer2016101420161009
72232? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=nocona_-Os_-fomit-frame-pointer2016101420161009
72232? ? ?? ? ?optgcc_-m32_-march=pentium_-O_-fomit-frame-pointer2016101420161009
72248? ? ?? ? ?optgcc_-m32_-march=k8_-O_-fomit-frame-pointer2016101420161009
72248? ? ?? ? ?optgcc_-m32_-march=pentium4_-Os_-fomit-frame-pointer2016101420161009
72256? ? ?? ? ?optgcc_-m32_-march=k6_-O_-fomit-frame-pointer2016101420161009
72280? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i386_-Os_-fomit-frame-pointer2016101420161009
72296? ? ?? ? ?optgcc_-m32_-march=i486_-O_-fomit-frame-pointer2016101420161009
72336? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=prescott_-Os_-fomit-frame-pointer2016101420161009
72352? ? ?? ? ?optgcc_-m32_-march=core2_-msse4.1_-O_-fomit-frame-pointer2016101420161009
72376? ? ?? ? ?optgcc_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2016101420161009
72392? ? ?? ? ?optgcc_-m32_-march=k6_-Os_-fomit-frame-pointer2016101420161009
72408? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=i486_-Os_-fomit-frame-pointer2016101420161009
72416? ? ?? ? ?optgcc_-m32_-march=i386_-O_-fomit-frame-pointer2016101420161009
72472? ? ?? ? ?optgcc_-m32_-march=pentium3_-O_-fomit-frame-pointer2016101420161009
72480? ? ?? ? ?optgcc_-m32_-march=k6-3_-Os_-fomit-frame-pointer2016101420161009
72528? ? ?? ? ?optgcc_-m32_-march=pentium4_-O_-fomit-frame-pointer2016101420161009
72576? ? ?? ? ?optgcc_-m32_-march=pentium2_-O_-fomit-frame-pointer2016101420161009
72592? ? ?? ? ?optgcc_-m32_-march=pentium-m_-O_-fomit-frame-pointer2016101420161009
72608? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium4_-Os_-fomit-frame-pointer2016101420161009
72680? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2016101420161009
72688? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium_-Os_-fomit-frame-pointer2016101420161009
72760? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6_-Os_-fomit-frame-pointer2016101420161009
73080? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-3_-Os_-fomit-frame-pointer2016101420161009
73136? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k6-2_-Os_-fomit-frame-pointer2016101420161009
73320? ? ?? ? ?optgcc_-m32_-march=k8_-Os_-fomit-frame-pointer2016101420161009
73456? ? ?? ? ?optgcc_-m32_-Os_-fomit-frame-pointer2016101420161009
73616? ? ?? ? ?optgcc_-m32_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2016101420161009
73632? ? ?? ? ?optgcc_-m32_-march=pentium_-Os_-fomit-frame-pointer2016101420161009
73664? ? ?? ? ?optgcc_-m32_-march=barcelona_-Os_-fomit-frame-pointer2016101420161009
73664? ? ?? ? ?optgcc_-m32_-march=core2_-msse4_-Os_-fomit-frame-pointer2016101420161009
73752? ? ?? ? ?optgcc_-m32_-march=core2_-Os_-fomit-frame-pointer2016101420161009
73752? ? ?? ? ?optgcc_-m32_-march=native_-mtune=native_-Os_-fomit-frame-pointer2016101420161009
73760? ? ?? ? ?optgcc_-m32_-march=athlon_-Os_-fomit-frame-pointer2016101420161009
73824? ? ?? ? ?optgcc_-m32_-march=corei7_-Os_-fomit-frame-pointer2016101420161009
73984? ? ?? ? ?optgcc_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2016101420161009
74144? ? ?? ? ?optgcc_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2016101420161009
74168? ? ?? ? ?optgcc_-m32_-march=pentium3_-Os_-fomit-frame-pointer2016101420161009
74184? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=barcelona_-Os_-fomit-frame-pointer2016101420161009
74240? ? ?? ? ?optgcc_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2016101420161009
74264? ? ?? ? ?optgcc_-m32_-march=pentium2_-Os_-fomit-frame-pointer2016101420161009
74304? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=k8_-Os_-fomit-frame-pointer2016101420161009
74384? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=athlon_-Os_-fomit-frame-pointer2016101420161009
74392? ? ?? ? ?optgcc_-funroll-loops_-m32_-Os_-fomit-frame-pointer2016101420161009
75240? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium3_-Os_-fomit-frame-pointer2016101420161009
75336? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium2_-Os_-fomit-frame-pointer2016101420161009
75344? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2016101420161009
75640? ? ?? ? ?optgcc_-funroll-loops_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2016101420161009

Checksum failure

Implementation: crypto_hash/skein256256/xmm
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer
f1842d193d830e780d823e7feb35a42ba72a4991152e3bce84bac20e9a27fbda
Number of similar (compiler,implementation) pairs: 157, 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 -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 -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: 18, 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=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