Implementation notes: x86, calvin, crypto_aead/aes256otrpv2

Computer: calvin
Architecture: x86
CPU ID: AuthenticAMD-00600f20-178bfbff
SUPERCOP version: 20171218
Operation: crypto_aead
Primitive: aes256otrpv2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
210344? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O2_-fomit-frame-pointer2017081020170725
210886? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2017081020170725
210996? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O2_-fomit-frame-pointer2017081020170725
211928? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2017081020170725
212124? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2017081020170725
212302? ? ?? ? ?refgcc_-m32_-march=athlon_-O3_-fomit-frame-pointer2017081020170725
212447? ? ?? ? ?refgcc_-m32_-march=pentium2_-O3_-fomit-frame-pointer2017081020170725
212760? ? ?? ? ?refgcc_-m32_-march=pentium3_-O3_-fomit-frame-pointer2017081020170725
213365? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O3_-fomit-frame-pointer2017081020170725
213408? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2017081020170725
214541? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2017081020170725
214691? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O3_-fomit-frame-pointer2017081020170725
215297? ? ?? ? ?refgcc_-m32_-O3_-fomit-frame-pointer2017081020170725
215299? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-O3_-fomit-frame-pointer2017081020170725
215462? ? ?? ? ?refgcc_-m32_-march=corei7_-O3_-fomit-frame-pointer2017081020170725
215463? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2017081020170725
216262? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2017081020170725
216974? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O2_-fomit-frame-pointer2017081020170725
217178? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-O3_-fomit-frame-pointer2017081020170725
217581? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O2_-fomit-frame-pointer2017081020170725
217735? ? ?? ? ?refgcc_-m32_-march=k8_-O3_-fomit-frame-pointer2017081020170725
218218? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017081020170725
218285? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-O3_-fomit-frame-pointer2017081020170725
218303? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O2_-fomit-frame-pointer2017081020170725
218588? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O3_-fomit-frame-pointer2017081020170725
219134? ? ?? ? ?refgcc_-funroll-loops_-m32_-O3_-fomit-frame-pointer2017081020170725
219880? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O3_-fomit-frame-pointer2017081020170725
220185? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O2_-fomit-frame-pointer2017081020170725
220692? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O3_-fomit-frame-pointer2017081020170725
220986? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O3_-fomit-frame-pointer2017081020170725
221124? ? ?? ? ?refgcc_-m32_-march=nocona_-O3_-fomit-frame-pointer2017081020170725
221448? ? ?? ? ?refgcc_-m32_-march=prescott_-O3_-fomit-frame-pointer2017081020170725
221482? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O3_-fomit-frame-pointer2017081020170725
221540? ? ?? ? ?refgcc_-m32_-march=core2_-O3_-fomit-frame-pointer2017081020170725
221622? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O3_-fomit-frame-pointer2017081020170725
221788? ? ?? ? ?refgcc_-funroll-loops_-m32_-O2_-fomit-frame-pointer2017081020170725
221986? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O2_-fomit-frame-pointer2017081020170725
222314? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O3_-fomit-frame-pointer2017081020170725
222430? ? ?? ? ?refgcc_-m32_-march=barcelona_-O3_-fomit-frame-pointer2017081020170725
223584? ? ?? ? ?refgcc_-m32_-march=pentium4_-O3_-fomit-frame-pointer2017081020170725
223743? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O2_-fomit-frame-pointer2017081020170725
225275? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O3_-fomit-frame-pointer2017081020170725
226263? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O2_-fomit-frame-pointer2017081020170725
226713? ? ?? ? ?refgcc_-m32_-march=k6-3_-O3_-fomit-frame-pointer2017081020170725
226963? ? ?? ? ?refgcc_-m32_-march=k6-2_-O3_-fomit-frame-pointer2017081020170725
227300? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O2_-fomit-frame-pointer2017081020170725
227575? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O2_-fomit-frame-pointer2017081020170725
227982? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O3_-fomit-frame-pointer2017081020170725
228348? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O2_-fomit-frame-pointer2017081020170725
229449? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O3_-fomit-frame-pointer2017081020170725
229457? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O3_-fomit-frame-pointer2017081020170725
229889? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O2_-fomit-frame-pointer2017081020170725
231723? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2017081020170725
231811? ? ?? ? ?refgcc_-m32_-march=pentium3_-O2_-fomit-frame-pointer2017081020170725
234651? ? ?? ? ?refgcc_-m32_-march=i386_-O3_-fomit-frame-pointer2017081020170725
235176? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2017081020170725
235469? ? ?? ? ?refgcc_-m32_-march=k6_-O3_-fomit-frame-pointer2017081020170725
236287? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O2_-fomit-frame-pointer2017081020170725
236596? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017081020170725
238438? ? ?? ? ?refgcc_-m32_-march=i486_-O3_-fomit-frame-pointer2017081020170725
239236? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O_-fomit-frame-pointer2017081020170725
239315? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O_-fomit-frame-pointer2017081020170725
239530? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O_-fomit-frame-pointer2017081020170725
239586? ? ?? ? ?refgcc_-m32_-march=barcelona_-O2_-fomit-frame-pointer2017081020170725
241005? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O_-fomit-frame-pointer2017081020170725
241176? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2017081020170725
241278? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2017081020170725
241385? ? ?? ? ?refgcc_-m32_-march=pentium2_-O2_-fomit-frame-pointer2017081020170725
242449? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O_-fomit-frame-pointer2017081020170725
243760? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O_-fomit-frame-pointer2017081020170725
243767? ? ?? ? ?refgcc_-m32_-march=athlon_-O2_-fomit-frame-pointer2017081020170725
244061? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O_-fomit-frame-pointer2017081020170725
244417? ? ?? ? ?refgcc_-m32_-O2_-fomit-frame-pointer2017081020170725
244970? ? ?? ? ?refgcc_-funroll-loops_-m32_-O_-fomit-frame-pointer2017081020170725
245204? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O_-fomit-frame-pointer2017081020170725
245479? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O_-fomit-frame-pointer2017081020170725
246578? ? ?? ? ?refgcc_-m32_-march=corei7_-O2_-fomit-frame-pointer2017081020170725
247373? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2017081020170725
247407? ? ?? ? ?refgcc_-m32_-march=prescott_-O2_-fomit-frame-pointer2017081020170725
247442? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-O2_-fomit-frame-pointer2017081020170725
247479? ? ?? ? ?refgcc_-m32_-march=k8_-O2_-fomit-frame-pointer2017081020170725
247664? ? ?? ? ?refgcc_-m32_-march=nocona_-O2_-fomit-frame-pointer2017081020170725
248227? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-O2_-fomit-frame-pointer2017081020170725
248700? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017081020170725
248705? ? ?? ? ?refgcc_-m32_-march=pentium4_-O2_-fomit-frame-pointer2017081020170725
249287? ? ?? ? ?refgcc_-m32_-march=core2_-O2_-fomit-frame-pointer2017081020170725
249320? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-O2_-fomit-frame-pointer2017081020170725
249686? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O3_-fomit-frame-pointer2017081020170725
252312? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2017081020170725
253179? ? ?? ? ?refgcc_-m32_-march=pentium_-O3_-fomit-frame-pointer2017081020170725
260404? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O_-fomit-frame-pointer2017081020170725
261357? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O_-fomit-frame-pointer2017081020170725
261638? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O_-fomit-frame-pointer2017081020170725
262293? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O_-fomit-frame-pointer2017081020170725
262323? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2017081020170725
262793? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O_-fomit-frame-pointer2017081020170725
263495? ? ?? ? ?refgcc_-m32_-march=i386_-O2_-fomit-frame-pointer2017081020170725
264049? ? ?? ? ?refgcc_-m32_-march=pentium2_-O_-fomit-frame-pointer2017081020170725
268279? ? ?? ? ?refgcc_-m32_-march=athlon_-O_-fomit-frame-pointer2017081020170725
268527? ? ?? ? ?refgcc_-m32_-march=k6-3_-O2_-fomit-frame-pointer2017081020170725
268559? ? ?? ? ?refgcc_-m32_-march=k6-2_-O2_-fomit-frame-pointer2017081020170725
268817? ? ?? ? ?refgcc_-m32_-march=k6_-O2_-fomit-frame-pointer2017081020170725
269013? ? ?? ? ?refgcc_-m32_-march=barcelona_-O_-fomit-frame-pointer2017081020170725
269404? ? ?? ? ?refgcc_-m32_-march=i486_-O2_-fomit-frame-pointer2017081020170725
269832? ? ?? ? ?refgcc_-m32_-march=pentium_-O2_-fomit-frame-pointer2017081020170725
269977? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2017081020170725
270634? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2017081020170725
271430? ? ?? ? ?refgcc_-m32_-march=k8_-O_-fomit-frame-pointer2017081020170725
271832? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-Os_-fomit-frame-pointer2017081020170725
272080? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2017081020170725
272238? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O_-fomit-frame-pointer2017081020170725
272253? ? ?? ? ?refgcc_-m32_-march=nocona_-Os_-fomit-frame-pointer2017081020170725
272301? ? ?? ? ?refgcc_-m32_-march=prescott_-Os_-fomit-frame-pointer2017081020170725
272328? ? ?? ? ?refgcc_-m32_-march=pentium3_-O_-fomit-frame-pointer2017081020170725
272452? ? ?? ? ?refgcc_-m32_-march=barcelona_-Os_-fomit-frame-pointer2017081020170725
272519? ? ?? ? ?refgcc_-m32_-march=k8_-Os_-fomit-frame-pointer2017081020170725
272613? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-Os_-fomit-frame-pointer2017081020170725
272654? ? ?? ? ?refgcc_-m32_-march=pentium4_-Os_-fomit-frame-pointer2017081020170725
272822? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O_-fomit-frame-pointer2017081020170725
272971? ? ?? ? ?refgcc_-m32_-march=athlon_-Os_-fomit-frame-pointer2017081020170725
272992? ? ?? ? ?refgcc_-m32_-march=pentium4_-O_-fomit-frame-pointer2017081020170725
273418? ? ?? ? ?refgcc_-m32_-Os_-fomit-frame-pointer2017081020170725
273867? ? ?? ? ?refgcc_-m32_-O_-fomit-frame-pointer2017081020170725
274178? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-Os_-fomit-frame-pointer2017081020170725
274386? ? ?? ? ?refgcc_-funroll-loops_-m32_-Os_-fomit-frame-pointer2017081020170725
275022? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-Os_-fomit-frame-pointer2017081020170725
275195? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017081020170725
275395? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-Os_-fomit-frame-pointer2017081020170725
275478? ? ?? ? ?refgcc_-m32_-march=core2_-Os_-fomit-frame-pointer2017081020170725
275805? ? ?? ? ?refgcc_-m32_-march=i486_-Os_-fomit-frame-pointer2017081020170725
275895? ? ?? ? ?refgcc_-m32_-march=corei7_-Os_-fomit-frame-pointer2017081020170725
277049? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-Os_-fomit-frame-pointer2017081020170725
277117? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O_-fomit-frame-pointer2017081020170725
277209? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-Os_-fomit-frame-pointer2017081020170725
278536? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2017081020170725
278699? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-Os_-fomit-frame-pointer2017081020170725
278778? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-Os_-fomit-frame-pointer2017081020170725
278999? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-Os_-fomit-frame-pointer2017081020170725
279062? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2017081020170725
279089? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-Os_-fomit-frame-pointer2017081020170725
279220? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-Os_-fomit-frame-pointer2017081020170725
279482? ? ?? ? ?refgcc_-m32_-march=corei7_-O_-fomit-frame-pointer2017081020170725
279546? ? ?? ? ?refgcc_-m32_-march=i386_-Os_-fomit-frame-pointer2017081020170725
279735? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-Os_-fomit-frame-pointer2017081020170725
280037? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2017081020170725
280095? ? ?? ? ?refgcc_-m32_-march=nocona_-O_-fomit-frame-pointer2017081020170725
280420? ? ?? ? ?refgcc_-m32_-march=pentium_-Os_-fomit-frame-pointer2017081020170725
281402? ? ?? ? ?refgcc_-m32_-march=i386_-O_-fomit-frame-pointer2017081020170725
281754? ? ?? ? ?refgcc_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2017081020170725
282047? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-Os_-fomit-frame-pointer2017081020170725
282084? ? ?? ? ?refgcc_-m32_-march=k6_-Os_-fomit-frame-pointer2017081020170725
282098? ? ?? ? ?refgcc_-m32_-march=pentium3_-Os_-fomit-frame-pointer2017081020170725
282383? ? ?? ? ?refgcc_-m32_-march=pentium2_-Os_-fomit-frame-pointer2017081020170725
282567? ? ?? ? ?refgcc_-m32_-march=k6-2_-Os_-fomit-frame-pointer2017081020170725
282659? ? ?? ? ?refgcc_-m32_-march=prescott_-O_-fomit-frame-pointer2017081020170725
282696? ? ?? ? ?refgcc_-m32_-march=core2_-O_-fomit-frame-pointer2017081020170725
282701? ? ?? ? ?refgcc_-m32_-march=k6-3_-Os_-fomit-frame-pointer2017081020170725
282859? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017081020170725
283421? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-O_-fomit-frame-pointer2017081020170725
284044? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017081020170725
284177? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2017081020170725
284569? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-O_-fomit-frame-pointer2017081020170725
285121? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-Os_-fomit-frame-pointer2017081020170725
285416? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-O_-fomit-frame-pointer2017081020170725
285437? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-Os_-fomit-frame-pointer2017081020170725
286019? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-Os_-fomit-frame-pointer2017081020170725
291886? ? ?? ? ?refgcc_-m32_-march=k6_-O_-fomit-frame-pointer2017081020170725
292383? ? ?? ? ?refgcc_-m32_-march=i486_-O_-fomit-frame-pointer2017081020170725
292481? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2017081020170725
292679? ? ?? ? ?refgcc_-m32_-march=k6-3_-O_-fomit-frame-pointer2017081020170725
294232? ? ?? ? ?refgcc_-m32_-march=k6-2_-O_-fomit-frame-pointer2017081020170725
294628? ? ?? ? ?refgcc_-m32_-march=pentium_-O_-fomit-frame-pointer2017081020170725

Test failure

Implementation: crypto_aead/aes256otrpv2/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/aes256otrpv2/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/aes256otrpv2/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