Implementation notes: x86, hobbes, crypto_aead/aes256otrsv2

Computer: hobbes
Architecture: x86
CPU ID: AuthenticAMD-00600f20-178bfbff
SUPERCOP version: 20171218
Operation: crypto_aead
Primitive: aes256otrsv2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
202062? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O3_-fomit-frame-pointer2017081120170725
202064? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2017081120170725
202115? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2017081120170725
202209? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O2_-fomit-frame-pointer2017081120170725
202316? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2017081120170725
202354? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O2_-fomit-frame-pointer2017081120170725
202620? ? ?? ? ?refgcc_-m32_-march=athlon_-O3_-fomit-frame-pointer2017081120170725
203006? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2017081120170725
203010? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2017081120170725
203043? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2017081120170725
204400? ? ?? ? ?refgcc_-m32_-march=pentium3_-O3_-fomit-frame-pointer2017081120170725
204551? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O3_-fomit-frame-pointer2017081120170725
204641? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017081120170725
204693? ? ?? ? ?refgcc_-m32_-march=pentium2_-O3_-fomit-frame-pointer2017081120170725
205300? ? ?? ? ?refgcc_-m32_-march=k8_-O3_-fomit-frame-pointer2017081120170725
205687? ? ?? ? ?refgcc_-m32_-O3_-fomit-frame-pointer2017081120170725
206710? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2017081120170725
206817? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O2_-fomit-frame-pointer2017081120170725
206843? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O3_-fomit-frame-pointer2017081120170725
207400? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O3_-fomit-frame-pointer2017081120170725
207539? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-O3_-fomit-frame-pointer2017081120170725
207681? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O3_-fomit-frame-pointer2017081120170725
207712? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O3_-fomit-frame-pointer2017081120170725
207717? ? ?? ? ?refgcc_-funroll-loops_-m32_-O2_-fomit-frame-pointer2017081120170725
207865? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O2_-fomit-frame-pointer2017081120170725
207914? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-O3_-fomit-frame-pointer2017081120170725
207965? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O2_-fomit-frame-pointer2017081120170725
208282? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O3_-fomit-frame-pointer2017081120170725
208425? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O2_-fomit-frame-pointer2017081120170725
208573? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O2_-fomit-frame-pointer2017081120170725
208587? ? ?? ? ?refgcc_-m32_-march=corei7_-O3_-fomit-frame-pointer2017081120170725
208686? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O2_-fomit-frame-pointer2017081120170725
208815? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O3_-fomit-frame-pointer2017081120170725
208823? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O2_-fomit-frame-pointer2017081120170725
208842? ? ?? ? ?refgcc_-m32_-march=core2_-O3_-fomit-frame-pointer2017081120170725
208906? ? ?? ? ?refgcc_-m32_-march=barcelona_-O3_-fomit-frame-pointer2017081120170725
209005? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O3_-fomit-frame-pointer2017081120170725
209106? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O2_-fomit-frame-pointer2017081120170725
209134? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O3_-fomit-frame-pointer2017081120170725
209264? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-O3_-fomit-frame-pointer2017081120170725
209597? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O2_-fomit-frame-pointer2017081120170725
209995? ? ?? ? ?refgcc_-funroll-loops_-m32_-O3_-fomit-frame-pointer2017081120170725
210640? ? ?? ? ?refgcc_-m32_-march=nocona_-O3_-fomit-frame-pointer2017081120170725
210821? ? ?? ? ?refgcc_-m32_-march=pentium4_-O3_-fomit-frame-pointer2017081120170725
210921? ? ?? ? ?refgcc_-m32_-march=prescott_-O3_-fomit-frame-pointer2017081120170725
211744? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O2_-fomit-frame-pointer2017081120170725
212229? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O2_-fomit-frame-pointer2017081120170725
212666? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2017081120170725
213118? ? ?? ? ?refgcc_-m32_-march=pentium3_-O2_-fomit-frame-pointer2017081120170725
213427? ? ?? ? ?refgcc_-m32_-march=pentium2_-O2_-fomit-frame-pointer2017081120170725
213739? ? ?? ? ?refgcc_-m32_-march=k6-3_-O3_-fomit-frame-pointer2017081120170725
214090? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2017081120170725
214806? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O3_-fomit-frame-pointer2017081120170725
215555? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O3_-fomit-frame-pointer2017081120170725
215606? ? ?? ? ?refgcc_-m32_-march=k6-2_-O3_-fomit-frame-pointer2017081120170725
217398? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2017081120170725
217521? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017081120170725
217929? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O3_-fomit-frame-pointer2017081120170725
218937? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O2_-fomit-frame-pointer2017081120170725
220074? ? ?? ? ?refgcc_-m32_-march=barcelona_-O2_-fomit-frame-pointer2017081120170725
220260? ? ?? ? ?refgcc_-m32_-march=corei7_-O2_-fomit-frame-pointer2017081120170725
220306? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-O2_-fomit-frame-pointer2017081120170725
220527? ? ?? ? ?refgcc_-m32_-march=k8_-O2_-fomit-frame-pointer2017081120170725
221298? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-O2_-fomit-frame-pointer2017081120170725
222012? ? ?? ? ?refgcc_-m32_-O2_-fomit-frame-pointer2017081120170725
222552? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-O2_-fomit-frame-pointer2017081120170725
222771? ? ?? ? ?refgcc_-m32_-march=core2_-O2_-fomit-frame-pointer2017081120170725
223007? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017081120170725
223140? ? ?? ? ?refgcc_-m32_-march=k6_-O3_-fomit-frame-pointer2017081120170725
223229? ? ?? ? ?refgcc_-m32_-march=i386_-O3_-fomit-frame-pointer2017081120170725
224219? ? ?? ? ?refgcc_-m32_-march=athlon_-O2_-fomit-frame-pointer2017081120170725
224468? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O_-fomit-frame-pointer2017081120170725
225489? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O_-fomit-frame-pointer2017081120170725
225623? ? ?? ? ?refgcc_-m32_-march=i486_-O3_-fomit-frame-pointer2017081120170725
225692? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O_-fomit-frame-pointer2017081120170725
226019? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O_-fomit-frame-pointer2017081120170725
226629? ? ?? ? ?refgcc_-m32_-march=nocona_-O2_-fomit-frame-pointer2017081120170725
226895? ? ?? ? ?refgcc_-m32_-march=prescott_-O2_-fomit-frame-pointer2017081120170725
227053? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O_-fomit-frame-pointer2017081120170725
227106? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2017081120170725
227514? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O_-fomit-frame-pointer2017081120170725
227821? ? ?? ? ?refgcc_-funroll-loops_-m32_-O_-fomit-frame-pointer2017081120170725
227840? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O_-fomit-frame-pointer2017081120170725
228136? ? ?? ? ?refgcc_-m32_-march=pentium4_-O2_-fomit-frame-pointer2017081120170725
228147? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O_-fomit-frame-pointer2017081120170725
228708? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O_-fomit-frame-pointer2017081120170725
230253? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O_-fomit-frame-pointer2017081120170725
233023? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O3_-fomit-frame-pointer2017081120170725
234295? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2017081120170725
234888? ? ?? ? ?refgcc_-m32_-march=k6_-O2_-fomit-frame-pointer2017081120170725
235353? ? ?? ? ?refgcc_-m32_-march=k6-2_-O2_-fomit-frame-pointer2017081120170725
235555? ? ?? ? ?refgcc_-m32_-march=k6-3_-O2_-fomit-frame-pointer2017081120170725
237056? ? ?? ? ?refgcc_-m32_-march=i486_-O2_-fomit-frame-pointer2017081120170725
238237? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O_-fomit-frame-pointer2017081120170725
238573? ? ?? ? ?refgcc_-m32_-march=i386_-O2_-fomit-frame-pointer2017081120170725
238583? ? ?? ? ?refgcc_-m32_-march=pentium3_-O_-fomit-frame-pointer2017081120170725
240880? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2017081120170725
241753? ? ?? ? ?refgcc_-m32_-march=pentium_-O2_-fomit-frame-pointer2017081120170725
241757? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O_-fomit-frame-pointer2017081120170725
242109? ? ?? ? ?refgcc_-m32_-march=pentium4_-O_-fomit-frame-pointer2017081120170725
242520? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O_-fomit-frame-pointer2017081120170725
242949? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O_-fomit-frame-pointer2017081120170725
243131? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O_-fomit-frame-pointer2017081120170725
243390? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017081120170725
243712? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2017081120170725
243800? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-O_-fomit-frame-pointer2017081120170725
244008? ? ?? ? ?refgcc_-m32_-march=core2_-O_-fomit-frame-pointer2017081120170725
245112? ? ?? ? ?refgcc_-m32_-march=pentium_-O3_-fomit-frame-pointer2017081120170725
245412? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-O_-fomit-frame-pointer2017081120170725
245619? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-O_-fomit-frame-pointer2017081120170725
247545? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-Os_-fomit-frame-pointer2017081120170725
248031? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2017081120170725
248577? ? ?? ? ?refgcc_-m32_-march=k8_-Os_-fomit-frame-pointer2017081120170725
248618? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2017081120170725
248674? ? ?? ? ?refgcc_-m32_-march=barcelona_-Os_-fomit-frame-pointer2017081120170725
248926? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O_-fomit-frame-pointer2017081120170725
248931? ? ?? ? ?refgcc_-m32_-march=corei7_-O_-fomit-frame-pointer2017081120170725
248959? ? ?? ? ?refgcc_-m32_-march=athlon_-Os_-fomit-frame-pointer2017081120170725
249021? ? ?? ? ?refgcc_-m32_-march=pentium2_-O_-fomit-frame-pointer2017081120170725
249199? ? ?? ? ?refgcc_-m32_-march=prescott_-Os_-fomit-frame-pointer2017081120170725
249240? ? ?? ? ?refgcc_-m32_-Os_-fomit-frame-pointer2017081120170725
249310? ? ?? ? ?refgcc_-m32_-march=nocona_-Os_-fomit-frame-pointer2017081120170725
249373? ? ?? ? ?refgcc_-m32_-march=nocona_-O_-fomit-frame-pointer2017081120170725
249406? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-Os_-fomit-frame-pointer2017081120170725
249433? ? ?? ? ?refgcc_-funroll-loops_-m32_-Os_-fomit-frame-pointer2017081120170725
250263? ? ?? ? ?refgcc_-m32_-march=corei7-avx_-Os_-fomit-frame-pointer2017081120170725
250690? ? ?? ? ?refgcc_-m32_-march=pentium4_-Os_-fomit-frame-pointer2017081120170725
251000? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-Os_-fomit-frame-pointer2017081120170725
251049? ? ?? ? ?refgcc_-m32_-march=athlon_-O_-fomit-frame-pointer2017081120170725
251110? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-Os_-fomit-frame-pointer2017081120170725
251218? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-Os_-fomit-frame-pointer2017081120170725
251273? ? ?? ? ?refgcc_-m32_-march=prescott_-O_-fomit-frame-pointer2017081120170725
251373? ? ?? ? ?refgcc_-m32_-march=corei7_-Os_-fomit-frame-pointer2017081120170725
251389? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017081120170725
251478? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-Os_-fomit-frame-pointer2017081120170725
251527? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2017081120170725
251698? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-Os_-fomit-frame-pointer2017081120170725
251871? ? ?? ? ?refgcc_-m32_-march=core2_-Os_-fomit-frame-pointer2017081120170725
252256? ? ?? ? ?refgcc_-m32_-march=pentium_-Os_-fomit-frame-pointer2017081120170725
252497? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O_-fomit-frame-pointer2017081120170725
252514? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-Os_-fomit-frame-pointer2017081120170725
252582? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-Os_-fomit-frame-pointer2017081120170725
252626? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-Os_-fomit-frame-pointer2017081120170725
252801? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-Os_-fomit-frame-pointer2017081120170725
252978? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-Os_-fomit-frame-pointer2017081120170725
253075? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2017081120170725
253082? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2017081120170725
253141? ? ?? ? ?refgcc_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2017081120170725
253309? ? ?? ? ?refgcc_-m32_-march=i486_-Os_-fomit-frame-pointer2017081120170725
253448? ? ?? ? ?refgcc_-m32_-march=barcelona_-O_-fomit-frame-pointer2017081120170725
253550? ? ?? ? ?refgcc_-m32_-march=k6_-Os_-fomit-frame-pointer2017081120170725
253610? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-Os_-fomit-frame-pointer2017081120170725
253774? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2017081120170725
253947? ? ?? ? ?refgcc_-m32_-march=k6-3_-Os_-fomit-frame-pointer2017081120170725
254128? ? ?? ? ?refgcc_-m32_-march=pentium2_-Os_-fomit-frame-pointer2017081120170725
254205? ? ?? ? ?refgcc_-m32_-march=pentium3_-Os_-fomit-frame-pointer2017081120170725
254309? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2017081120170725
254379? ? ?? ? ?refgcc_-m32_-O_-fomit-frame-pointer2017081120170725
254626? ? ?? ? ?refgcc_-m32_-march=k6-2_-Os_-fomit-frame-pointer2017081120170725
254898? ? ?? ? ?refgcc_-m32_-march=i386_-Os_-fomit-frame-pointer2017081120170725
255482? ? ?? ? ?refgcc_-m32_-march=k8_-O_-fomit-frame-pointer2017081120170725
255913? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-Os_-fomit-frame-pointer2017081120170725
256053? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-Os_-fomit-frame-pointer2017081120170725
257282? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017081120170725
258494? ? ?? ? ?refgcc_-m32_-march=i386_-O_-fomit-frame-pointer2017081120170725
260848? ? ?? ? ?refgcc_-m32_-march=k6-2_-O_-fomit-frame-pointer2017081120170725
261597? ? ?? ? ?refgcc_-m32_-march=k6-3_-O_-fomit-frame-pointer2017081120170725
261645? ? ?? ? ?refgcc_-m32_-march=k6_-O_-fomit-frame-pointer2017081120170725
264828? ? ?? ? ?refgcc_-m32_-march=i486_-O_-fomit-frame-pointer2017081120170725
266548? ? ?? ? ?refgcc_-m32_-march=pentium_-O_-fomit-frame-pointer2017081120170725
266644? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2017081120170725
377436? ? ?? ? ?refgcc_-m32_-march=core-avx-i_-Os_-fomit-frame-pointer2017081120170725

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