Implementation notes: x86, h8bobcat, crypto_aead/aes128n8silcv1

Computer: h8bobcat
Architecture: x86
CPU ID: AuthenticAMD-00500f20-178bfbff
SUPERCOP version: 20171218
Operation: crypto_aead
Primitive: aes128n8silcv1
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
275039? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O3_-fomit-frame-pointer2017080320170718
276483? ? ?? ? ?refgcc_-m32_-march=k6-2_-O3_-fomit-frame-pointer2017080320170718
276497? ? ?? ? ?refgcc_-funroll-loops_-m32_-O3_-fomit-frame-pointer2017080320170718
276769? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O2_-fomit-frame-pointer2017080320170718
277025? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O3_-fomit-frame-pointer2017080320170718
277125? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O3_-fomit-frame-pointer2017080320170718
277195? ? ?? ? ?refgcc_-m32_-march=k6_-O3_-fomit-frame-pointer2017080320170718
277709? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O2_-fomit-frame-pointer2017080320170718
278469? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O3_-fomit-frame-pointer2017080320170718
280298? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O2_-fomit-frame-pointer2017080320170718
282051? ? ?? ? ?refgcc_-m32_-O3_-fomit-frame-pointer2017080320170718
282411? ? ?? ? ?refgcc_-m32_-march=k6-3_-O3_-fomit-frame-pointer2017080320170718
282492? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O2_-fomit-frame-pointer2017080320170718
282573? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O2_-fomit-frame-pointer2017080320170718
282644? ? ?? ? ?refgcc_-m32_-march=i386_-O3_-fomit-frame-pointer2017080320170718
282787? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O3_-fomit-frame-pointer2017080320170718
284725? ? ?? ? ?refgcc_-m32_-march=i486_-O3_-fomit-frame-pointer2017080320170718
285100? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O2_-fomit-frame-pointer2017080320170718
285722? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O3_-fomit-frame-pointer2017080320170718
286002? ? ?? ? ?refgcc_-funroll-loops_-m32_-O2_-fomit-frame-pointer2017080320170718
286748? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O2_-fomit-frame-pointer2017080320170718
287370? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O3_-fomit-frame-pointer2017080320170718
287864? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O2_-fomit-frame-pointer2017080320170718
288918? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O3_-fomit-frame-pointer2017080320170718
289170? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O2_-fomit-frame-pointer2017080320170718
290026? ? ?? ? ?refgcc_-m32_-march=i486_-O2_-fomit-frame-pointer2017080320170718
291342? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O3_-fomit-frame-pointer2017080320170718
291755? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O3_-fomit-frame-pointer2017080320170718
292566? ? ?? ? ?refgcc_-m32_-march=athlon_-O2_-fomit-frame-pointer2017080320170718
292909? ? ?? ? ?refgcc_-m32_-march=k6-2_-O2_-fomit-frame-pointer2017080320170718
293042? ? ?? ? ?refgcc_-m32_-march=k6_-O2_-fomit-frame-pointer2017080320170718
293180? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O_-fomit-frame-pointer2017080320170718
294210? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O2_-fomit-frame-pointer2017080320170718
294557? ? ?? ? ?refgcc_-m32_-march=k8_-O2_-fomit-frame-pointer2017080320170718
294624? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O3_-fomit-frame-pointer2017080320170718
294823? ? ?? ? ?refgcc_-m32_-march=pentium2_-O3_-fomit-frame-pointer2017080320170718
295398? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-O2_-fomit-frame-pointer2017080320170718
296257? ? ?? ? ?refgcc_-m32_-march=nocona_-O2_-fomit-frame-pointer2017080320170718
296704? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2017080320170718
296828? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-O_-fomit-frame-pointer2017080320170718
297516? ? ?? ? ?refgcc_-m32_-march=pentium4_-O3_-fomit-frame-pointer2017080320170718
299302? ? ?? ? ?refgcc_-m32_-march=nocona_-O3_-fomit-frame-pointer2017080320170718
300110? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017080320170718
300271? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-O_-fomit-frame-pointer2017080320170718
300585? ? ?? ? ?refgcc_-m32_-march=i386_-O2_-fomit-frame-pointer2017080320170718
300618? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-O_-fomit-frame-pointer2017080320170718
301051? ? ?? ? ?refgcc_-m32_-march=prescott_-O3_-fomit-frame-pointer2017080320170718
302119? ? ?? ? ?refgcc_-m32_-march=k6-3_-O2_-fomit-frame-pointer2017080320170718
302618? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2017080320170718
302736? ? ?? ? ?refgcc_-m32_-march=core2_-O2_-fomit-frame-pointer2017080320170718
303126? ? ?? ? ?refgcc_-m32_-march=athlon_-O3_-fomit-frame-pointer2017080320170718
303131? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017080320170718
303611? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-O2_-fomit-frame-pointer2017080320170718
304361? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2017080320170718
304385? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O_-fomit-frame-pointer2017080320170718
304484? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017080320170718
304484? ? ?? ? ?refgcc_-m32_-march=corei7_-O2_-fomit-frame-pointer2017080320170718
304993? ? ?? ? ?refgcc_-m32_-march=prescott_-O2_-fomit-frame-pointer2017080320170718
305639? ? ?? ? ?refgcc_-funroll-loops_-m32_-O_-fomit-frame-pointer2017080320170718
305743? ? ?? ? ?refgcc_-m32_-march=barcelona_-O2_-fomit-frame-pointer2017080320170718
306223? ? ?? ? ?refgcc_-m32_-march=core2_-O3_-fomit-frame-pointer2017080320170718
306902? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-O_-fomit-frame-pointer2017080320170718
307030? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2017080320170718
307482? ? ?? ? ?refgcc_-m32_-march=pentium_-O3_-fomit-frame-pointer2017080320170718
308189? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2017080320170718
308194? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O3_-fomit-frame-pointer2017080320170718
308246? ? ?? ? ?refgcc_-m32_-march=i386_-O_-fomit-frame-pointer2017080320170718
308688? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-O_-fomit-frame-pointer2017080320170718
308816? ? ?? ? ?refgcc_-m32_-march=pentium3_-O3_-fomit-frame-pointer2017080320170718
308883? ? ?? ? ?refgcc_-m32_-march=pentium3_-O2_-fomit-frame-pointer2017080320170718
309348? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2017080320170718
309795? ? ?? ? ?refgcc_-m32_-march=pentium4_-O2_-fomit-frame-pointer2017080320170718
310099? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O3_-fomit-frame-pointer2017080320170718
310987? ? ?? ? ?refgcc_-m32_-march=barcelona_-O3_-fomit-frame-pointer2017080320170718
311196? ? ?? ? ?refgcc_-m32_-march=i486_-O_-fomit-frame-pointer2017080320170718
311505? ? ?? ? ?refgcc_-m32_-march=prescott_-O_-fomit-frame-pointer2017080320170718
311538? ? ?? ? ?refgcc_-m32_-march=nocona_-O_-fomit-frame-pointer2017080320170718
312165? ? ?? ? ?refgcc_-m32_-march=pentium_-Os_-fomit-frame-pointer2017080320170718
312365? ? ?? ? ?refgcc_-m32_-march=k6-3_-O_-fomit-frame-pointer2017080320170718
312516? ? ?? ? ?refgcc_-m32_-march=k6_-O_-fomit-frame-pointer2017080320170718
312636? ? ?? ? ?refgcc_-m32_-O2_-fomit-frame-pointer2017080320170718
312659? ? ?? ? ?refgcc_-m32_-march=k6-2_-O_-fomit-frame-pointer2017080320170718
313234? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-O_-fomit-frame-pointer2017080320170718
313258? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2017080320170718
313348? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2017080320170718
314265? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-O_-fomit-frame-pointer2017080320170718
314421? ? ?? ? ?refgcc_-m32_-march=pentium4_-O_-fomit-frame-pointer2017080320170718
314426? ? ?? ? ?refgcc_-m32_-march=k8_-O3_-fomit-frame-pointer2017080320170718
314663? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O_-fomit-frame-pointer2017080320170718
314769? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O_-fomit-frame-pointer2017080320170718
314849? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O_-fomit-frame-pointer2017080320170718
315124? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-O_-fomit-frame-pointer2017080320170718
315780? ? ?? ? ?refgcc_-m32_-march=pentium2_-O2_-fomit-frame-pointer2017080320170718
316293? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-O2_-fomit-frame-pointer2017080320170718
316336? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2017080320170718
316906? ? ?? ? ?refgcc_-m32_-march=corei7_-Os_-fomit-frame-pointer2017080320170718
316972? ? ?? ? ?refgcc_-m32_-march=athlon_-Os_-fomit-frame-pointer2017080320170718
317086? ? ?? ? ?refgcc_-m32_-Os_-fomit-frame-pointer2017080320170718
317277? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-O2_-fomit-frame-pointer2017080320170718
318074? ? ?? ? ?refgcc_-m32_-march=k8_-Os_-fomit-frame-pointer2017080320170718
318174? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-O_-fomit-frame-pointer2017080320170718
318383? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2017080320170718
318943? ? ?? ? ?refgcc_-m32_-march=core2_-Os_-fomit-frame-pointer2017080320170718
319044? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2017080320170718
319176? ? ?? ? ?refgcc_-m32_-march=athlon_-O_-fomit-frame-pointer2017080320170718
320801? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2017080320170718
321014? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-O_-fomit-frame-pointer2017080320170718
321371? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017080320170718
321408? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2017080320170718
321541? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O2_-fomit-frame-pointer2017080320170718
322311? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2017080320170718
322591? ? ?? ? ?refgcc_-m32_-march=pentium_-O2_-fomit-frame-pointer2017080320170718
323641? ? ?? ? ?refgcc_-m32_-march=pentium2_-O_-fomit-frame-pointer2017080320170718
323798? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-O3_-fomit-frame-pointer2017080320170718
323827? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2017080320170718
324188? ? ?? ? ?refgcc_-m32_-march=barcelona_-Os_-fomit-frame-pointer2017080320170718
324515? ? ?? ? ?refgcc_-m32_-march=pentium3_-Os_-fomit-frame-pointer2017080320170718
324877? ? ?? ? ?refgcc_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2017080320170718
325099? ? ?? ? ?refgcc_-m32_-march=k8_-O_-fomit-frame-pointer2017080320170718
325176? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-O_-fomit-frame-pointer2017080320170718
325941? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6_-Os_-fomit-frame-pointer2017080320170718
326035? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-3_-Os_-fomit-frame-pointer2017080320170718
326054? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k6-2_-Os_-fomit-frame-pointer2017080320170718
326401? ? ?? ? ?refgcc_-m32_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017080320170718
326942? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2017080320170718
328016? ? ?? ? ?refgcc_-m32_-march=pentium3_-O_-fomit-frame-pointer2017080320170718
328168? ? ?? ? ?refgcc_-m32_-march=core2_-O_-fomit-frame-pointer2017080320170718
328172? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017080320170718
329237? ? ?? ? ?refgcc_-m32_-march=barcelona_-O_-fomit-frame-pointer2017080320170718
329355? ? ?? ? ?refgcc_-m32_-march=core2_-msse4_-Os_-fomit-frame-pointer2017080320170718
331056? ? ?? ? ?refgcc_-m32_-march=i386_-Os_-fomit-frame-pointer2017080320170718
331241? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=k8_-Os_-fomit-frame-pointer2017080320170718
331564? ? ?? ? ?refgcc_-m32_-march=i486_-Os_-fomit-frame-pointer2017080320170718
332567? ? ?? ? ?refgcc_-m32_-march=k6-3_-Os_-fomit-frame-pointer2017080320170718
333194? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium2_-Os_-fomit-frame-pointer2017080320170718
333269? ? ?? ? ?refgcc_-m32_-march=pentium4_-Os_-fomit-frame-pointer2017080320170718
333996? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=barcelona_-Os_-fomit-frame-pointer2017080320170718
334200? ? ?? ? ?refgcc_-m32_-march=corei7_-O_-fomit-frame-pointer2017080320170718
334452? ? ?? ? ?refgcc_-m32_-march=native_-mtune=native_-O_-fomit-frame-pointer2017080320170718
336034? ? ?? ? ?refgcc_-m32_-march=k6-2_-Os_-fomit-frame-pointer2017080320170718
336419? ? ?? ? ?refgcc_-m32_-O_-fomit-frame-pointer2017080320170718
336433? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2017080320170718
336481? ? ?? ? ?refgcc_-m32_-march=prescott_-Os_-fomit-frame-pointer2017080320170718
337079? ? ?? ? ?refgcc_-m32_-march=nocona_-Os_-fomit-frame-pointer2017080320170718
337260? ? ?? ? ?refgcc_-funroll-loops_-m32_-Os_-fomit-frame-pointer2017080320170718
337877? ? ?? ? ?refgcc_-m32_-march=k6_-Os_-fomit-frame-pointer2017080320170718
338343? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium_-Os_-fomit-frame-pointer2017080320170718
339758? ? ?? ? ?refgcc_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2017080320170718
340770? ? ?? ? ?refgcc_-m32_-march=pentium2_-Os_-fomit-frame-pointer2017080320170718
340779? ? ?? ? ?refgcc_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2017080320170718
341967? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2017080320170718
342750? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=nocona_-Os_-fomit-frame-pointer2017080320170718
342960? ? ?? ? ?refgcc_-m32_-march=pentium_-O_-fomit-frame-pointer2017080320170718
343558? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=prescott_-Os_-fomit-frame-pointer2017080320170718
344732? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2017080320170718
346038? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=athlon_-Os_-fomit-frame-pointer2017080320170718
346218? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i386_-Os_-fomit-frame-pointer2017080320170718
346294? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=i486_-Os_-fomit-frame-pointer2017080320170718
346703? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium3_-Os_-fomit-frame-pointer2017080320170718
347543? ? ?? ? ?refgcc_-m32_-march=pentium-m_-O_-fomit-frame-pointer2017080320170718
348598? ? ?? ? ?refgcc_-funroll-loops_-m32_-march=pentium4_-Os_-fomit-frame-pointer2017080320170718

Test failure

Implementation: crypto_aead/aes128n8silcv1/ref
Compiler: gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 9, namely:
CompilerImplementations
gcc -m32 -march=core-avx-i -O2 -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=corei7-avx -O2 -fomit-frame-pointer ref
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer ref
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_aead/aes128n8silcv1/ref
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer
silc.c: silc.c: In function 'process_ad':
silc.c: silc.c:39:2: warning: implicit declaration of function 'pstate2' [-Wimplicit-function-declaration]
silc.c: pstate2("processing nonce:", NULL);
silc.c: ^

Number of similar (compiler,implementation) pairs: 166, 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 -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 -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 -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 -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 -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/aes128n8silcv1/ref
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer
silc.c: silc.c: In function 'process_ad':
silc.c: silc.c:39:2: warning: implicit declaration of function 'pstate2' [-Wimplicit-function-declaration]
silc.c: pstate2("processing nonce:", NULL);
silc.c: ^
silc.c: silc.c: In function 'process_ad':
silc.c: silc.c:39:2: warning: implicit declaration of function 'pstate2' [-Wimplicit-function-declaration]
silc.c: pstate2("processing nonce:", NULL);
silc.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