Implementation notes: x86, hydra6, crypto_aead/aes256otrsv2

Computer: hydra6
Architecture: x86
CPU ID: AuthenticAMD-00600f12-178bfbff
SUPERCOP version: 20171218
Operation: crypto_aead
Primitive: aes256otrsv2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
241249? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O3_-fomit-frame-pointer2017090920170725
242482? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O3_-fomit-frame-pointer2017090920170725
242918? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O2_-fomit-frame-pointer2017090920170725
242925? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O2_-fomit-frame-pointer2017090920170725
243092? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2017090920170725
243119? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O2_-fomit-frame-pointer2017090920170725
243121? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2017090920170725
243652? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O2_-fomit-frame-pointer2017090920170725
244318? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O2_-fomit-frame-pointer2017090920170725
245710? ? ?? ? ?refgcc_-funroll-loops_-m32_-O2_-fomit-frame-pointer2017090920170725
246772? ? ?? ? ?refgcc_-m32_-march=k6-3_-O3_-fomit-frame-pointer2017090920170725
247074? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2017090920170725
247194? ? ?? ? ?refgcc_-m32_-march=athlon_-O3_-fomit-frame-pointer2017090920170725
247198? ? ?? ? ?refgcc_-funroll-loops_-m32_-O3_-fomit-frame-pointer2017090920170725
247253? ? ?? ? ?refgcc_-m32_-march=k6-2_-O3_-fomit-frame-pointer2017090920170725
247556? ? ?? ? ?refgcc_-m32_-O3_-fomit-frame-pointer2017090920170725
248178? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-O3_-fomit-frame-pointer2017090920170725
248560? ? ?? ? ?refgcc_-m32_-march=corei7_-O3_-fomit-frame-pointer2017090920170725
248654? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O2_-fomit-frame-pointer2017090920170725
248670? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O2_-fomit-frame-pointer2017090920170725
248756? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-O3_-fomit-frame-pointer2017090920170725
248899? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O2_-fomit-frame-pointer2017090920170725
249156? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O2_-fomit-frame-pointer2017090920170725
249481? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O3_-fomit-frame-pointer2017090920170725
249564? ? ?? ? ?refgcc_-m32_-march=core2_-O3_-fomit-frame-pointer2017090920170725
249596? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2017090920170725
249722? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O3_-fomit-frame-pointer2017090920170725
249984? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O2_-fomit-frame-pointer2017090920170725
250305? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O3_-fomit-frame-pointer2017090920170725
250374? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O2_-fomit-frame-pointer2017090920170725
250798? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2017090920170725
252204? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O3_-fomit-frame-pointer2017090920170725
252238? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O3_-fomit-frame-pointer2017090920170725
252576? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-O3_-fomit-frame-pointer2017090920170725
253606? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O3_-fomit-frame-pointer2017090920170725
253950? ? ?? ? ?refgcc_-m32_-march=k8_-O3_-fomit-frame-pointer2017090920170725
255104? ? ?? ? ?refgcc_-m32_-march=barcelona_-O3_-fomit-frame-pointer2017090920170725
255920? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O3_-fomit-frame-pointer2017090920170725
256563? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017090920170725
256790? ? ?? ? ?refgcc_-m32_-march=k6_-O3_-fomit-frame-pointer2017090920170725
258370? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O3_-fomit-frame-pointer2017090920170725
258636? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2017090920170725
258824? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O3_-fomit-frame-pointer2017090920170725
259494? ? ?? ? ?refgcc_-m32_-march=nocona_-O3_-fomit-frame-pointer2017090920170725
259566? ? ?? ? ?refgcc_-m32_-march=prescott_-O3_-fomit-frame-pointer2017090920170725
259754? ? ?? ? ?refgcc_-m32_-march=pentium4_-O3_-fomit-frame-pointer2017090920170725
261022? ? ?? ? ?refgcc_-m32_-march=pentium2_-O3_-fomit-frame-pointer2017090920170725
261298? ? ?? ? ?refgcc_-m32_-march=pentium3_-O3_-fomit-frame-pointer2017090920170725
261804? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2017090920170725
262398? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O2_-fomit-frame-pointer2017090920170725
267366? ? ?? ? ?refgcc_-m32_-march=i386_-O3_-fomit-frame-pointer2017090920170725
267386? ? ?? ? ?refgcc_-m32_-march=barcelona_-O2_-fomit-frame-pointer2017090920170725
267402? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O2_-fomit-frame-pointer2017090920170725
267763? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O2_-fomit-frame-pointer2017090920170725
268146? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O3_-fomit-frame-pointer2017090920170725
268266? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2017090920170725
271976? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-O2_-fomit-frame-pointer2017090920170725
272268? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-O2_-fomit-frame-pointer2017090920170725
272880? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017090920170725
272920? ? ?? ? ?refgcc_-m32_-march=corei7_-O2_-fomit-frame-pointer2017090920170725
273058? ? ?? ? ?refgcc_-m32_-march=core2_-O2_-fomit-frame-pointer2017090920170725
273336? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-O2_-fomit-frame-pointer2017090920170725
273546? ? ?? ? ?refgcc_-m32_-O2_-fomit-frame-pointer2017090920170725
274146? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O3_-fomit-frame-pointer2017090920170725
274176? ? ?? ? ?refgcc_-m32_-march=k8_-O2_-fomit-frame-pointer2017090920170725
274182? ? ?? ? ?refgcc_-m32_-march=athlon_-O2_-fomit-frame-pointer2017090920170725
275260? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017090920170725
276248? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2017090920170725
276764? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O_-fomit-frame-pointer2017090920170725
276774? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O_-fomit-frame-pointer2017090920170725
277173? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O_-fomit-frame-pointer2017090920170725
280702? ? ?? ? ?refgcc_-m32_-march=i486_-O3_-fomit-frame-pointer2017090920170725
281867? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O_-fomit-frame-pointer2017090920170725
282362? ? ?? ? ?refgcc_-m32_-march=pentium4_-O2_-fomit-frame-pointer2017090920170725
283704? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O_-fomit-frame-pointer2017090920170725
283816? ? ?? ? ?refgcc_-m32_-march=prescott_-O2_-fomit-frame-pointer2017090920170725
284042? ? ?? ? ?refgcc_-m32_-march=nocona_-O2_-fomit-frame-pointer2017090920170725
284388? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O_-fomit-frame-pointer2017090920170725
284582? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O_-fomit-frame-pointer2017090920170725
285063? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O_-fomit-frame-pointer2017090920170725
285270? ? ?? ? ?refgcc_-funroll-loops_-m32_-O_-fomit-frame-pointer2017090920170725
285346? ? ?? ? ?refgcc_-m32_-march=k6-2_-O2_-fomit-frame-pointer2017090920170725
285602? ? ?? ? ?refgcc_-m32_-march=k6_-O2_-fomit-frame-pointer2017090920170725
285666? ? ?? ? ?refgcc_-m32_-march=k6-3_-O2_-fomit-frame-pointer2017090920170725
286624? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2017090920170725
286684? ? ?? ? ?refgcc_-m32_-march=pentium2_-O2_-fomit-frame-pointer2017090920170725
288691? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O_-fomit-frame-pointer2017090920170725
288736? ? ?? ? ?refgcc_-m32_-march=pentium3_-O2_-fomit-frame-pointer2017090920170725
290378? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2017090920170725
290688? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O_-fomit-frame-pointer2017090920170725
292566? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O_-fomit-frame-pointer2017090920170725
293154? ? ?? ? ?refgcc_-m32_-march=i386_-O2_-fomit-frame-pointer2017090920170725
294058? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O_-fomit-frame-pointer2017090920170725
294231? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O_-fomit-frame-pointer2017090920170725
294614? ? ?? ? ?refgcc_-m32_-march=pentium_-O2_-fomit-frame-pointer2017090920170725
295398? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2017090920170725
296512? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O_-fomit-frame-pointer2017090920170725
299500? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O_-fomit-frame-pointer2017090920170725
300162? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2017090920170725
300182? ? ?? ? ?refgcc_-m32_-march=i486_-O2_-fomit-frame-pointer2017090920170725
300458? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O3_-fomit-frame-pointer2017090920170725
301886? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2017090920170725
304767? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2017090920170725
305188? ? ?? ? ?refgcc_-m32_-march=pentium3_-O_-fomit-frame-pointer2017090920170725
305517? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2017090920170725
305630? ? ?? ? ?refgcc_-m32_-march=pentium2_-O_-fomit-frame-pointer2017090920170725
307834? ? ?? ? ?refgcc_-m32_-march=pentium_-O3_-fomit-frame-pointer2017090920170725
310810? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O_-fomit-frame-pointer2017090920170725
312776? ? ?? ? ?refgcc_-m32_-march=barcelona_-Os_-fomit-frame-pointer2017090920170725
313202? ? ?? ? ?refgcc_-m32_-march=pentium_-Os_-fomit-frame-pointer2017090920170725
313322? ? ?? ? ?refgcc_-m32_-Os_-fomit-frame-pointer2017090920170725
313440? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2017090920170725
313464? ? ?? ? ?refgcc_-m32_-march=athlon_-Os_-fomit-frame-pointer2017090920170725
313520? ? ?? ? ?refgcc_-m32_-march=k8_-Os_-fomit-frame-pointer2017090920170725
316806? ? ?? ? ?refgcc_-m32_-march=athlon_-O_-fomit-frame-pointer2017090920170725
317530? ? ?? ? ?refgcc_-m32_-march=k8_-O_-fomit-frame-pointer2017090920170725
317950? ? ?? ? ?refgcc_-m32_-march=i386_-O_-fomit-frame-pointer2017090920170725
318132? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O_-fomit-frame-pointer2017090920170725
318178? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-O_-fomit-frame-pointer2017090920170725
318570? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2017090920170725
318584? ? ?? ? ?refgcc_-m32_-march=k6_-O_-fomit-frame-pointer2017090920170725
318646? ? ?? ? ?refgcc_-m32_-march=k6-3_-Os_-fomit-frame-pointer2017090920170725
318772? ? ?? ? ?refgcc_-m32_-march=barcelona_-O_-fomit-frame-pointer2017090920170725
318776? ? ?? ? ?refgcc_-m32_-march=core2_-O_-fomit-frame-pointer2017090920170725
319090? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017090920170725
319152? ? ?? ? ?refgcc_-m32_-march=k6-2_-Os_-fomit-frame-pointer2017090920170725
319202? ? ?? ? ?refgcc_-m32_-march=pentium4_-O_-fomit-frame-pointer2017090920170725
319366? ? ?? ? ?refgcc_-m32_-march=k6-2_-O_-fomit-frame-pointer2017090920170725
319534? ? ?? ? ?refgcc_-m32_-march=pentium_-O_-fomit-frame-pointer2017090920170725
319552? ? ?? ? ?refgcc_-m32_-march=k6_-Os_-fomit-frame-pointer2017090920170725
320476? ? ?? ? ?refgcc_-m32_-march=i486_-O_-fomit-frame-pointer2017090920170725
320532? ? ?? ? ?refgcc_-m32_-march=k6-3_-O_-fomit-frame-pointer2017090920170725
321216? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-Os_-fomit-frame-pointer2017090920170725
321396? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2017090920170725
322154? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-Os_-fomit-frame-pointer2017090920170725
322824? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017090920170725
323288? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-Os_-fomit-frame-pointer2017090920170725
323428? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-Os_-fomit-frame-pointer2017090920170725
323466? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-Os_-fomit-frame-pointer2017090920170725
323716? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-Os_-fomit-frame-pointer2017090920170725
323886? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-Os_-fomit-frame-pointer2017090920170725
323962? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-Os_-fomit-frame-pointer2017090920170725
324222? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2017090920170725
324444? ? ?? ? ?refgcc_-funroll-loops_-m32_-Os_-fomit-frame-pointer2017090920170725
324446? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-Os_-fomit-frame-pointer2017090920170725
325056? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-Os_-fomit-frame-pointer2017090920170725
325354? ? ?? ? ?refgcc_-m32_-O_-fomit-frame-pointer2017090920170725
325562? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017090920170725
325660? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-Os_-fomit-frame-pointer2017090920170725
325674? ? ?? ? ?refgcc_-m32_-march=prescott_-O_-fomit-frame-pointer2017090920170725
325756? ? ?? ? ?refgcc_-m32_-march=core2_-Os_-fomit-frame-pointer2017090920170725
326292? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-Os_-fomit-frame-pointer2017090920170725
326444? ? ?? ? ?refgcc_-m32_-march=i486_-Os_-fomit-frame-pointer2017090920170725
326610? ? ?? ? ?refgcc_-m32_-march=corei7_-Os_-fomit-frame-pointer2017090920170725
327250? ? ?? ? ?refgcc_-m32_-march=nocona_-Os_-fomit-frame-pointer2017090920170725
327394? ? ?? ? ?refgcc_-m32_-march=pentium4_-Os_-fomit-frame-pointer2017090920170725
327398? ? ?? ? ?refgcc_-m32_-march=nocona_-O_-fomit-frame-pointer2017090920170725
327462? ? ?? ? ?refgcc_-m32_-march=prescott_-Os_-fomit-frame-pointer2017090920170725
327556? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-Os_-fomit-frame-pointer2017090920170725
327800? ? ?? ? ?refgcc_-m32_-march=pentium2_-Os_-fomit-frame-pointer2017090920170725
327866? ? ?? ? ?refgcc_-m32_-march=i386_-Os_-fomit-frame-pointer2017090920170725
328106? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2017090920170725
329374? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-Os_-fomit-frame-pointer2017090920170725
329448? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-Os_-fomit-frame-pointer2017090920170725
329576? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-Os_-fomit-frame-pointer2017090920170725
335992? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2017090920170725
336124? ? ?? ? ?refgcc_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2017090920170725
336389? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-Os_-fomit-frame-pointer2017090920170725
337632? ? ?? ? ?refgcc_-m32_-march=pentium3_-Os_-fomit-frame-pointer2017090920170725
337696? ? ?? ? ?refgcc_-m32_-march=corei7_-O_-fomit-frame-pointer2017090920170725
337810? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-O_-fomit-frame-pointer2017090920170725
339286? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-O_-fomit-frame-pointer2017090920170725

Test failure

Implementation: crypto_aead/aes256otrsv2/ref
Compiler: gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 3, namely:
CompilerImplementations
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer ref
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_aead/aes256otrsv2/ref
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer
OTR.c: OTR.c:51:7: warning: built-in function 'gamma' declared as non-function
OTR.c: uint8 gamma[BLOCK]={0}, gamma2[BLOCK]={0}, Q[BLOCK]={0};
OTR.c: ^

Number of similar (compiler,implementation) pairs: 171, namely:
CompilerImplementations
gcc -funroll-loops -m32 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer ref
gcc -m32 -O2 -fomit-frame-pointer ref
gcc -m32 -O3 -fomit-frame-pointer ref
gcc -m32 -O -fomit-frame-pointer ref
gcc -m32 -Os -fomit-frame-pointer ref
gcc -m32 -march=athlon -O2 -fomit-frame-pointer ref
gcc -m32 -march=athlon -O3 -fomit-frame-pointer ref
gcc -m32 -march=athlon -O -fomit-frame-pointer ref
gcc -m32 -march=athlon -Os -fomit-frame-pointer ref
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer ref
gcc -m32 -march=core-avx-i -O3 -fomit-frame-pointer ref
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer ref
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer ref
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer ref
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer ref
gcc -m32 -march=core2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core2 -O3 -fomit-frame-pointer ref
gcc -m32 -march=core2 -O -fomit-frame-pointer ref
gcc -m32 -march=core2 -Os -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -O3 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -O3 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer ref
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer ref
gcc -m32 -march=corei7-avx -O3 -fomit-frame-pointer ref
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer ref
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer ref
gcc -m32 -march=corei7 -O2 -fomit-frame-pointer ref
gcc -m32 -march=corei7 -O3 -fomit-frame-pointer ref
gcc -m32 -march=corei7 -O -fomit-frame-pointer ref
gcc -m32 -march=corei7 -Os -fomit-frame-pointer ref
gcc -m32 -march=i386 -O2 -fomit-frame-pointer ref
gcc -m32 -march=i386 -O3 -fomit-frame-pointer ref
gcc -m32 -march=i386 -O -fomit-frame-pointer ref
gcc -m32 -march=i386 -Os -fomit-frame-pointer ref
gcc -m32 -march=i486 -O2 -fomit-frame-pointer ref
gcc -m32 -march=i486 -O3 -fomit-frame-pointer ref
gcc -m32 -march=i486 -O -fomit-frame-pointer ref
gcc -m32 -march=i486 -Os -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -O -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -Os -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -O -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -Os -fomit-frame-pointer ref
gcc -m32 -march=k6 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k6 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k6 -O -fomit-frame-pointer ref
gcc -m32 -march=k6 -Os -fomit-frame-pointer ref
gcc -m32 -march=k8 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k8 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k8 -O -fomit-frame-pointer ref
gcc -m32 -march=k8 -Os -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer ref
gcc -m32 -march=nocona -O2 -fomit-frame-pointer ref
gcc -m32 -march=nocona -O3 -fomit-frame-pointer ref
gcc -m32 -march=nocona -O -fomit-frame-pointer ref
gcc -m32 -march=nocona -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -O -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -O -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -O -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -O -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium -O -fomit-frame-pointer ref
gcc -m32 -march=pentium -Os -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -O -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer ref
gcc -m32 -march=prescott -O2 -fomit-frame-pointer ref
gcc -m32 -march=prescott -O3 -fomit-frame-pointer ref
gcc -m32 -march=prescott -O -fomit-frame-pointer ref
gcc -m32 -march=prescott -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_aead/aes256otrsv2/ref
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer
OTR.c: OTR.c:51:7: warning: built-in function 'gamma' declared as non-function
OTR.c: uint8 gamma[BLOCK]={0}, gamma2[BLOCK]={0}, Q[BLOCK]={0};
OTR.c: ^
OTR.c: OTR.c:51:7: warning: built-in function 'gamma' declared as non-function
OTR.c: uint8 gamma[BLOCK]={0}, gamma2[BLOCK]={0}, Q[BLOCK]={0};
OTR.c: ^

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