Implementation notes: x86, titan0, crypto_aead/knot128v2

Computer: titan0
Architecture: x86
CPU ID: GenuineIntel-000306c3-bfebfbff
SUPERCOP version: 20190803
Operation: crypto_aead
Primitive: knot128v2

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
239128	`ref`	`gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer`	20190801	20190729
241904	`ref`	`gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer`	20190801	20190729
247100	`ref`	`gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer`	20190801	20190729
248716	`ref`	`gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer`	20190801	20190729
254832	`ref`	`gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer`	20190801	20190729
267936	`ref`	`gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer`	20190801	20190729
299380	`ref`	`gcc -funroll-loops -m32 -O2 -fomit-frame-pointer`	20190801	20190729
301648	`ref`	`gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer`	20190801	20190729
302204	`ref`	`gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer`	20190801	20190729
304872	`ref`	`gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer`	20190801	20190729
306780	`ref`	`gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer`	20190801	20190729
306984	`ref`	`gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer`	20190801	20190729
307192	`ref`	`gcc -funroll-loops -m32 -O3 -fomit-frame-pointer`	20190801	20190729
309044	`ref`	`gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer`	20190801	20190729
309088	`ref`	`gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer`	20190801	20190729
309504	`ref`	`gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer`	20190801	20190729
309852	`ref`	`gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer`	20190801	20190729
309928	`ref`	`gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer`	20190801	20190729
309996	`ref`	`gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer`	20190801	20190729
310048	`ref`	`gcc -m32 -march=athlon -O3 -fomit-frame-pointer`	20190801	20190729
311128	`ref`	`gcc -m32 -O3 -fomit-frame-pointer`	20190801	20190729
311688	`ref`	`gcc -m32 -march=core-avx-i -O3 -fomit-frame-pointer`	20190801	20190729
311756	`ref`	`gcc -m32 -march=core2 -O3 -fomit-frame-pointer`	20190801	20190729
311772	`ref`	`gcc -m32 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20190801	20190729
312252	`ref`	`gcc -m32 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20190801	20190729
312916	`ref`	`gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer`	20190801	20190729
312916	`ref`	`gcc -m32 -march=corei7-avx -O3 -fomit-frame-pointer`	20190801	20190729
313960	`ref`	`gcc -m32 -march=core-avx2 -O3 -fomit-frame-pointer`	20190801	20190729
314444	`ref`	`gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer`	20190801	20190729
314488	`ref`	`gcc -m32 -march=corei7 -O3 -fomit-frame-pointer`	20190801	20190729
314704	`ref`	`gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer`	20190801	20190729
314928	`ref`	`gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer`	20190801	20190729
315592	`ref`	`gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer`	20190801	20190729
315724	`ref`	`gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer`	20190801	20190729
315756	`ref`	`gcc -m32 -march=k8 -O3 -fomit-frame-pointer`	20190801	20190729
316800	`ref`	`gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer`	20190801	20190729
318240	`ref`	`gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer`	20190801	20190729
319456	`ref`	`gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer`	20190801	20190729
319592	`ref`	`gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer`	20190801	20190729
320400	`ref`	`gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer`	20190801	20190729
321252	`ref`	`gcc -m32 -march=prescott -O3 -fomit-frame-pointer`	20190801	20190729
321416	`ref`	`gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer`	20190801	20190729
321712	`ref`	`gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer`	20190801	20190729
321956	`ref`	`gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer`	20190801	20190729
322028	`ref`	`gcc -m32 -march=k6 -O3 -fomit-frame-pointer`	20190801	20190729
322404	`ref`	`gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer`	20190801	20190729
322508	`ref`	`gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer`	20190801	20190729
323912	`ref`	`gcc -m32 -march=nocona -O3 -fomit-frame-pointer`	20190801	20190729
326872	`ref`	`gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer`	20190801	20190729
327664	`ref`	`gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer`	20190801	20190729
327732	`ref`	`gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer`	20190801	20190729
328652	`ref`	`gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer`	20190801	20190729
330972	`ref`	`gcc -m32 -march=i486 -O3 -fomit-frame-pointer`	20190801	20190729
331836	`ref`	`gcc -m32 -march=pentium -O3 -fomit-frame-pointer`	20190801	20190729
331856	`ref`	`gcc -m32 -march=i386 -O3 -fomit-frame-pointer`	20190801	20190729
332012	`ref`	`gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer`	20190801	20190729
332036	`ref`	`gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer`	20190801	20190729
333560	`ref`	`gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer`	20190801	20190729
345292	`ref`	`gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer`	20190801	20190729
349140	`ref`	`gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer`	20190801	20190729
349992	`ref`	`gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer`	20190801	20190729
350052	`ref`	`gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer`	20190801	20190729
351668	`ref`	`gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer`	20190801	20190729
351672	`ref`	`gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer`	20190801	20190729
351868	`ref`	`gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer`	20190801	20190729
358460	`ref`	`gcc -funroll-loops -m32 -O -fomit-frame-pointer`	20190801	20190729
360560	`ref`	`gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer`	20190801	20190729
361896	`ref`	`gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer`	20190801	20190729
362096	`ref`	`gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer`	20190801	20190729
362120	`ref`	`gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer`	20190801	20190729
362200	`ref`	`gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer`	20190801	20190729
365004	`ref`	`gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer`	20190801	20190729
365212	`ref`	`gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer`	20190801	20190729
365268	`ref`	`gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer`	20190801	20190729
365560	`ref`	`gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer`	20190801	20190729
371640	`ref`	`gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer`	20190801	20190729
387960	`ref`	`gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer`	20190801	20190729
391456	`ref`	`gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer`	20190801	20190729
392868	`ref`	`gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer`	20190801	20190729
396188	`ref`	`gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer`	20190801	20190729
398252	`ref`	`gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer`	20190801	20190729
399840	`ref`	`gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer`	20190801	20190729
400036	`ref`	`gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer`	20190801	20190729
401120	`ref`	`gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer`	20190801	20190729
401272	`ref`	`gcc -m32 -march=k6 -O2 -fomit-frame-pointer`	20190801	20190729
403180	`ref`	`gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer`	20190801	20190729
406100	`ref`	`gcc -m32 -march=athlon -O2 -fomit-frame-pointer`	20190801	20190729
407000	`ref`	`gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer`	20190801	20190729
407424	`ref`	`gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer`	20190801	20190729
408812	`ref`	`gcc -m32 -march=corei7 -O2 -fomit-frame-pointer`	20190801	20190729
409020	`ref`	`gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer`	20190801	20190729
410380	`ref`	`gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20190801	20190729
410536	`ref`	`gcc -m32 -march=pentium -O2 -fomit-frame-pointer`	20190801	20190729
410716	`ref`	`gcc -m32 -march=i386 -O2 -fomit-frame-pointer`	20190801	20190729
411348	`ref`	`gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20190801	20190729
412408	`ref`	`gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer`	20190801	20190729
416328	`ref`	`gcc -m32 -march=i486 -O2 -fomit-frame-pointer`	20190801	20190729
418208	`ref`	`gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer`	20190801	20190729
419004	`ref`	`gcc -m32 -O2 -fomit-frame-pointer`	20190801	20190729
420372	`ref`	`gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer`	20190801	20190729
420508	`ref`	`gcc -m32 -march=core2 -O2 -fomit-frame-pointer`	20190801	20190729
422212	`ref`	`gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer`	20190801	20190729
423272	`ref`	`gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer`	20190801	20190729
423336	`ref`	`gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer`	20190801	20190729
423852	`ref`	`gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer`	20190801	20190729
424276	`ref`	`gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer`	20190801	20190729
424672	`ref`	`gcc -m32 -march=k8 -O2 -fomit-frame-pointer`	20190801	20190729
424748	`ref`	`gcc -m32 -march=nocona -Os -fomit-frame-pointer`	20190801	20190729
425240	`ref`	`gcc -m32 -O -fomit-frame-pointer`	20190801	20190729
425388	`ref`	`gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer`	20190801	20190729
425712	`ref`	`gcc -m32 -march=pentium4 -Os -fomit-frame-pointer`	20190801	20190729
427016	`ref`	`gcc -m32 -march=prescott -Os -fomit-frame-pointer`	20190801	20190729
427388	`ref`	`gcc -m32 -march=i386 -O -fomit-frame-pointer`	20190801	20190729
427544	`ref`	`gcc -m32 -march=nocona -O2 -fomit-frame-pointer`	20190801	20190729
429316	`ref`	`gcc -m32 -march=prescott -O2 -fomit-frame-pointer`	20190801	20190729
429760	`ref`	`gcc -m32 -march=pentium-m -Os -fomit-frame-pointer`	20190801	20190729
429820	`ref`	`gcc -m32 -march=core2 -Os -fomit-frame-pointer`	20190801	20190729
437780	`ref`	`gcc -m32 -march=corei7 -Os -fomit-frame-pointer`	20190801	20190729
438100	`ref`	`gcc -m32 -march=athlon -O -fomit-frame-pointer`	20190801	20190729
441132	`ref`	`gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer`	20190801	20190729
441500	`ref`	`gcc -m32 -march=pentiumpro -O -fomit-frame-pointer`	20190801	20190729
442408	`ref`	`gcc -m32 -march=pentium2 -O -fomit-frame-pointer`	20190801	20190729
443012	`ref`	`gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer`	20190801	20190729
443332	`ref`	`gcc -m32 -march=pentium -O -fomit-frame-pointer`	20190801	20190729
444216	`ref`	`gcc -m32 -march=pentium3 -O -fomit-frame-pointer`	20190801	20190729
445540	`ref`	`gcc -m32 -march=k6-2 -O -fomit-frame-pointer`	20190801	20190729
445696	`ref`	`gcc -m32 -march=k6 -O -fomit-frame-pointer`	20190801	20190729
446960	`ref`	`gcc -m32 -march=k6-3 -O -fomit-frame-pointer`	20190801	20190729
446980	`ref`	`gcc -m32 -march=i486 -O -fomit-frame-pointer`	20190801	20190729
450452	`ref`	`gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20190801	20190729
454664	`ref`	`gcc -m32 -march=pentium4 -O -fomit-frame-pointer`	20190801	20190729
456828	`ref`	`gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer`	20190801	20190729
458712	`ref`	`gcc -m32 -march=core-avx2 -O -fomit-frame-pointer`	20190801	20190729
461972	`ref`	`gcc -m32 -march=barcelona -O -fomit-frame-pointer`	20190801	20190729
463748	`ref`	`gcc -m32 -march=k6-3 -Os -fomit-frame-pointer`	20190801	20190729
468216	`ref`	`gcc -m32 -march=k6-2 -Os -fomit-frame-pointer`	20190801	20190729
469532	`ref`	`gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer`	20190801	20190729
470236	`ref`	`gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer`	20190801	20190729
474168	`ref`	`gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer`	20190801	20190729
474260	`ref`	`gcc -m32 -march=athlon -Os -fomit-frame-pointer`	20190801	20190729
474608	`ref`	`gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer`	20190801	20190729
474772	`ref`	`gcc -funroll-loops -m32 -Os -fomit-frame-pointer`	20190801	20190729
474840	`ref`	`gcc -m32 -march=pentium2 -Os -fomit-frame-pointer`	20190801	20190729
475000	`ref`	`gcc -m32 -march=pentium -Os -fomit-frame-pointer`	20190801	20190729
475884	`ref`	`gcc -m32 -march=k6 -Os -fomit-frame-pointer`	20190801	20190729
476472	`ref`	`gcc -m32 -march=k8 -O -fomit-frame-pointer`	20190801	20190729
476528	`ref`	`gcc -m32 -Os -fomit-frame-pointer`	20190801	20190729
477296	`ref`	`gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer`	20190801	20190729
479112	`ref`	`gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer`	20190801	20190729
481104	`ref`	`gcc -m32 -march=pentium3 -Os -fomit-frame-pointer`	20190801	20190729
481244	`ref`	`gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer`	20190801	20190729
482016	`ref`	`gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer`	20190801	20190729
482800	`ref`	`gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer`	20190801	20190729
483216	`ref`	`gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer`	20190801	20190729
484364	`ref`	`gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer`	20190801	20190729
484640	`ref`	`gcc -m32 -march=corei7-avx -O -fomit-frame-pointer`	20190801	20190729
484668	`ref`	`gcc -m32 -march=core2 -O -fomit-frame-pointer`	20190801	20190729
484912	`ref`	`gcc -m32 -march=corei7 -O -fomit-frame-pointer`	20190801	20190729
485872	`ref`	`gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20190801	20190729
486104	`ref`	`gcc -m32 -march=nocona -O -fomit-frame-pointer`	20190801	20190729
486632	`ref`	`gcc -m32 -march=prescott -O -fomit-frame-pointer`	20190801	20190729
489032	`ref`	`gcc -m32 -march=core-avx-i -O -fomit-frame-pointer`	20190801	20190729
499848	`ref`	`gcc -m32 -march=i486 -Os -fomit-frame-pointer`	20190801	20190729
500624	`ref`	`gcc -m32 -march=i386 -Os -fomit-frame-pointer`	20190801	20190729
500948	`ref`	`gcc -m32 -march=pentium-m -O -fomit-frame-pointer`	20190801	20190729
505248	`ref`	`gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer`	20190801	20190729
506776	`ref`	`gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer`	20190801	20190729
506940	`ref`	`gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer`	20190801	20190729
849708	`ref`	`gcc -m32 -march=barcelona -Os -fomit-frame-pointer`	20190801	20190729
860700	`ref`	`gcc -m32 -march=barcelona -O3 -fomit-frame-pointer`	20190801	20190729
862192	`ref`	`gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer`	20190801	20190729
889204	`ref`	`gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer`	20190801	20190729
955288	`ref`	`gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer`	20190801	20190729
956348	`ref`	`gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer`	20190801	20190729
971860	`ref`	`gcc -m32 -march=k8 -Os -fomit-frame-pointer`	20190801	20190729
1003356	`ref`	`gcc -m32 -march=barcelona -O2 -fomit-frame-pointer`	20190801	20190729

Compiler output

Implementation: crypto_aead/knot128v2/opt
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer

Number of similar (compiler,implementation) pairs: 172, namely:

Compiler	Implementations
gcc -funroll-loops -m32 -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer	opt
gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer	opt
gcc -m32 -O2 -fomit-frame-pointer	opt
gcc -m32 -O3 -fomit-frame-pointer	opt
gcc -m32 -O -fomit-frame-pointer	opt
gcc -m32 -Os -fomit-frame-pointer	opt
gcc -m32 -march=athlon -O2 -fomit-frame-pointer	opt
gcc -m32 -march=athlon -O3 -fomit-frame-pointer	opt
gcc -m32 -march=athlon -O -fomit-frame-pointer	opt
gcc -m32 -march=athlon -Os -fomit-frame-pointer	opt
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer	opt
gcc -m32 -march=core-avx-i -O3 -fomit-frame-pointer	opt
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer	opt
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer	opt
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=core-avx2 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer	opt
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer	opt
gcc -m32 -march=core2 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=core2 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=core2 -O -fomit-frame-pointer	opt
gcc -m32 -march=core2 -Os -fomit-frame-pointer	opt
gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=core2 -msse4.1 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer	opt
gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer	opt
gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=core2 -msse4 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer	opt
gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer	opt
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer	opt
gcc -m32 -march=corei7-avx -O3 -fomit-frame-pointer	opt
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer	opt
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer	opt
gcc -m32 -march=corei7 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=corei7 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=corei7 -O -fomit-frame-pointer	opt
gcc -m32 -march=corei7 -Os -fomit-frame-pointer	opt
gcc -m32 -march=i386 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=i386 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=i386 -O -fomit-frame-pointer	opt
gcc -m32 -march=i386 -Os -fomit-frame-pointer	opt
gcc -m32 -march=i486 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=i486 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=i486 -O -fomit-frame-pointer	opt
gcc -m32 -march=i486 -Os -fomit-frame-pointer	opt
gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=k6-2 -O -fomit-frame-pointer	opt
gcc -m32 -march=k6-2 -Os -fomit-frame-pointer	opt
gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=k6-3 -O -fomit-frame-pointer	opt
gcc -m32 -march=k6-3 -Os -fomit-frame-pointer	opt
gcc -m32 -march=k6 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=k6 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=k6 -O -fomit-frame-pointer	opt
gcc -m32 -march=k6 -Os -fomit-frame-pointer	opt
gcc -m32 -march=k8 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=k8 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=k8 -O -fomit-frame-pointer	opt
gcc -m32 -march=k8 -Os -fomit-frame-pointer	opt
gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer	opt
gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer	opt
gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer	opt
gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer	opt
gcc -m32 -march=nocona -O2 -fomit-frame-pointer	opt
gcc -m32 -march=nocona -O3 -fomit-frame-pointer	opt
gcc -m32 -march=nocona -O -fomit-frame-pointer	opt
gcc -m32 -march=nocona -Os -fomit-frame-pointer	opt
gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer	opt
gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer	opt
gcc -m32 -march=pentium-m -O -fomit-frame-pointer	opt
gcc -m32 -march=pentium-m -Os -fomit-frame-pointer	opt
gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer	opt
gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer	opt
gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer	opt
gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer	opt
gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=pentium2 -O -fomit-frame-pointer	opt
gcc -m32 -march=pentium2 -Os -fomit-frame-pointer	opt
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=pentium3 -O -fomit-frame-pointer	opt
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer	opt
gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer	opt
gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer	opt
gcc -m32 -march=pentium4 -O -fomit-frame-pointer	opt
gcc -m32 -march=pentium4 -Os -fomit-frame-pointer	opt
gcc -m32 -march=pentium -O2 -fomit-frame-pointer	opt
gcc -m32 -march=pentium -O3 -fomit-frame-pointer	opt
gcc -m32 -march=pentium -O -fomit-frame-pointer	opt
gcc -m32 -march=pentium -Os -fomit-frame-pointer	opt
gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer	opt
gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer	opt
gcc -m32 -march=pentiumpro -O -fomit-frame-pointer	opt
gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer	opt
gcc -m32 -march=prescott -O2 -fomit-frame-pointer	opt
gcc -m32 -march=prescott -O3 -fomit-frame-pointer	opt
gcc -m32 -march=prescott -O -fomit-frame-pointer	opt
gcc -m32 -march=prescott -Os -fomit-frame-pointer	opt

Compiler output

Implementation: crypto_aead/knot128v2/opt
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer

encrypt.c: encrypt.c:30:0: warning: "LITTLE_ENDIAN" redefined
encrypt.c: #define LITTLE_ENDIAN
encrypt.c:
encrypt.c: In file included from /usr/include/sys/types.h:194:0,
encrypt.c: from /usr/include/stdlib.h:394,
encrypt.c: from encrypt.c:4:
encrypt.c: /usr/include/endian.h:45:0: note: this is the location of the previous definition
encrypt.c: # define LITTLE_ENDIAN __LITTLE_ENDIAN
encrypt.c:
encrypt.c: encrypt.c:42:0: warning: "EXT_BYTE32" redefined
encrypt.c: #define EXT_BYTE32(x,n) ((u8)((u32)(x)>gt;>gt;(8*(3-(n)))))
encrypt.c:
encrypt.c: encrypt.c:33:0: note: this is the location of the previous definition
encrypt.c: #define EXT_BYTE32(x,n) ((u8)((u32)(x)>gt;>gt;(8*(n))))
encrypt.c:
encrypt.c: encrypt.c:43:0: warning: "INS_BYTE32" redefined
encrypt.c: #define INS_BYTE32(x,n) ((u32)(x) encrypt.c:
encrypt.c: encrypt.c:34:0: note: this is the location of the previous definition
encrypt.c: #define INS_BYTE32(x,n) ((u32)(x) encrypt.c:
encrypt.c: encrypt.c:44:0: warning: "U32BIG" redefined
encrypt.c: #define U32BIG(x) \
encrypt.c:
encrypt.c: encrypt.c:35:0: note: this is the location of the previous definition
encrypt.c: ...
encrypt.c: encrypt.c:30:0: warning: "LITTLE_ENDIAN" redefined
encrypt.c: #define LITTLE_ENDIAN
encrypt.c:
encrypt.c: In file included from /usr/include/sys/types.h:194:0,
encrypt.c: from /usr/include/stdlib.h:394,
encrypt.c: from encrypt.c:4:
encrypt.c: /usr/include/endian.h:45:0: note: this is the location of the previous definition
encrypt.c: # define LITTLE_ENDIAN __LITTLE_ENDIAN
encrypt.c:
encrypt.c: encrypt.c:42:0: warning: "EXT_BYTE32" redefined
encrypt.c: #define EXT_BYTE32(x,n) ((u8)((u32)(x)>gt;>gt;(8*(3-(n)))))
encrypt.c:
encrypt.c: encrypt.c:33:0: note: this is the location of the previous definition
encrypt.c: #define EXT_BYTE32(x,n) ((u8)((u32)(x)>gt;>gt;(8*(n))))
encrypt.c:
encrypt.c: encrypt.c:43:0: warning: "INS_BYTE32" redefined
encrypt.c: #define INS_BYTE32(x,n) ((u32)(x) encrypt.c:
encrypt.c: encrypt.c:34:0: note: this is the location of the previous definition
encrypt.c: #define INS_BYTE32(x,n) ((u32)(x) encrypt.c:
encrypt.c: encrypt.c:44:0: warning: "U32BIG" redefined
encrypt.c: #define U32BIG(x) \
encrypt.c:
encrypt.c: encrypt.c:35:0: note: this is the location of the previous definition
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -m32 -march=barcelona -O2 -fomit-frame-pointer	opt
gcc -m32 -march=barcelona -O3 -fomit-frame-pointer	opt
gcc -m32 -march=barcelona -O -fomit-frame-pointer	opt
gcc -m32 -march=barcelona -Os -fomit-frame-pointer	opt