Implementation notes: amd64, bulldozer, crypto_hash/skein256256

Computer: bulldozer
Architecture: amd64
CPU ID: AuthenticAMD-00600f12-178bfbff
SUPERCOP version: 20120709
Operation: crypto_hash
Primitive: skein256256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
13563	`opt`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120530	20120525
13629	`x64`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120530	20120525
13750	`x64`	`gcc -m64 -O2 -fomit-frame-pointer`	20120530	20120525
13758	`x64`	`gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer`	20120530	20120525
13761	`opt`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120530	20120525
13764	`x64`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120530	20120525
13771	`x64`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120530	20120525
13773	`x64`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120530	20120525
13775	`x64`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120530	20120525
13786	`x64`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120530	20120525
13791	`x64`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120530	20120525
13800	`x64`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120530	20120525
13800	`x64`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120530	20120525
13802	`x64`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120530	20120525
13811	`x64`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120530	20120525
13818	`x64`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120530	20120525
13822	`x64`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120530	20120525
13823	`x64`	`gcc -m64 -O3 -fomit-frame-pointer`	20120530	20120525
13826	`x64`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120530	20120525
13830	`x64`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120530	20120525
13835	`x64`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120530	20120525
13840	`x64`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120530	20120525
13841	`x64`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120530	20120525
13845	`x64`	`gcc -m64 -march=core-avx-i -O -fomit-frame-pointer`	20120530	20120525
13848	`x64`	`gcc -m64 -O -fomit-frame-pointer`	20120530	20120525
13849	`x64`	`gcc -funroll-loops`	20120530	20120525
13849	`x64`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120530	20120525
13857	`x64`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120530	20120525
13862	`x64`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120530	20120525
13871	`x64`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120530	20120525
13871	`x64`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20120530	20120525
13872	`x64`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120530	20120525
13876	`x64`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120530	20120525
13877	`x64`	`gcc -m64 -march=corei7-avx -O -fomit-frame-pointer`	20120530	20120525
13878	`x64`	`gcc -march=nocona -O -fomit-frame-pointer`	20120530	20120525
13879	`x64`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120530	20120525
13887	`x64`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120530	20120525
13890	`x64`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120530	20120525
13896	`x64`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120530	20120525
13900	`x64`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120530	20120525
13905	`x64`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120530	20120525
13910	`x64`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120530	20120525
13914	`x64`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120530	20120525
13914	`x64`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120530	20120525
13925	`x64`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120530	20120525
13930	`x64`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120530	20120525
13932	`x64`	`gcc -O -fomit-frame-pointer`	20120530	20120525
13934	`x64`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120530	20120525
13947	`x64`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120530	20120525
13948	`x64`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120530	20120525
13951	`x64`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120530	20120525
13956	`x64`	`gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer`	20120530	20120525
13960	`x64`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120530	20120525
13965	`x64`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120530	20120525
13978	`x64`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120530	20120525
13985	`x64`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120530	20120525
13986	`x64`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120530	20120525
13989	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120530	20120525
13994	`x64`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120530	20120525
14001	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120530	20120525
14003	`x64`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120530	20120525
14005	`x64`	`gcc -O3 -fomit-frame-pointer`	20120530	20120525
14013	`x64`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120530	20120525
14014	`x64`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120530	20120525
14025	`x64`	`gcc`	20120530	20120525
14025	`x64`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120530	20120525
14027	`x64`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120530	20120525
14030	`x64`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120530	20120525
14042	`x64`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120530	20120525
14053	`x64`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120530	20120525
14054	`opt`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120530	20120525
14061	`x64`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120530	20120525
14061	`x64`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20120530	20120525
14063	`x64`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120530	20120525
14069	`x64`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120530	20120525
14073	`x64`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120530	20120525
14075	`x64`	`gcc -march=k8 -O -fomit-frame-pointer`	20120530	20120525
14080	`x64`	`gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer`	20120530	20120525
14097	`x64`	`cc`	20120530	20120525
14101	`x64`	`gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer`	20120530	20120525
14107	`opt`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120530	20120525
14141	`opt`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120530	20120525
14147	`x64`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120530	20120525
14151	`x64`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120530	20120525
14156	`x64`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120530	20120525
14161	`x64`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120530	20120525
14164	`x64`	`gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer`	20120530	20120525
14175	`x64`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20120530	20120525
14178	`x64`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120530	20120525
14182	`x64`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20120530	20120525
14191	`x64`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120530	20120525
14193	`x64`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120530	20120525
14200	`x64`	`gcc -m64 -Os -fomit-frame-pointer`	20120530	20120525
14201	`x64`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120530	20120525
14204	`opt`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120530	20120525
14208	`x64`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120530	20120525
14208	`x64`	`gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer`	20120530	20120525
14213	`x64`	`gcc -Os -fomit-frame-pointer`	20120530	20120525
14216	`x64`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120530	20120525
14219	`x64`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120530	20120525
14220	`x64`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120530	20120525
14228	`x64`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120530	20120525
14243	`x64`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120530	20120525
14243	`opt`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120530	20120525
14246	`x64`	`gcc -O2 -fomit-frame-pointer`	20120530	20120525
14250	`x64`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120530	20120525
14253	`x64`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120530	20120525
14275	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120530	20120525
14282	`x64`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120530	20120525
14324	`opt`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120530	20120525
14469	`x64`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120530	20120525
14569	`opt`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120530	20120525
14654	`opt`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120530	20120525
14674	`opt`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120530	20120525
14717	`opt`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120530	20120525
14764	`opt`	`gcc -march=k8 -O -fomit-frame-pointer`	20120530	20120525
14818	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120530	20120525
14869	`opt`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120530	20120525
14877	`opt`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120530	20120525
14972	`opt`	`gcc -m64 -march=core-avx-i -O -fomit-frame-pointer`	20120530	20120525
14974	`opt`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120530	20120525
15038	`opt`	`gcc -O -fomit-frame-pointer`	20120530	20120525
15063	`opt`	`gcc -march=nocona -O -fomit-frame-pointer`	20120530	20120525
15065	`opt`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20120530	20120525
15087	`opt`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120530	20120525
15100	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120530	20120525
15101	`opt`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120530	20120525
15252	`opt`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120530	20120525
15268	`opt`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120530	20120525
15271	`opt`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120530	20120525
15323	`opt`	`gcc -m64 -O -fomit-frame-pointer`	20120530	20120525
15338	`opt`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120530	20120525
15364	`opt`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120530	20120525
15595	`opt`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20120530	20120525
15943	`opt`	`gcc -m64 -march=corei7-avx -O -fomit-frame-pointer`	20120530	20120525
16003	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120530	20120525
16170	`opt`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120530	20120525
16244	`opt`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120530	20120525
16262	`opt`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120530	20120525
16311	`opt`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120530	20120525
16355	`opt`	`gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer`	20120530	20120525
16475	`opt`	`gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer`	20120530	20120525
16506	`opt`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120530	20120525
16528	`opt`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120530	20120525
16582	`opt`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120530	20120525
16609	`opt`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120530	20120525
16634	`opt`	`gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer`	20120530	20120525
16747	`opt`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120530	20120525
16754	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120530	20120525
16760	`opt`	`gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer`	20120530	20120525
16772	`opt`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120530	20120525
16808	`opt`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120530	20120525
16835	`opt`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120530	20120525
16912	`opt`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120530	20120525
16927	`opt`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120530	20120525
16947	`opt`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20120530	20120525
16964	`opt`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120530	20120525
17004	`opt`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120530	20120525
17079	`opt`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120530	20120525
17092	`opt`	`gcc -O3 -fomit-frame-pointer`	20120530	20120525
17145	`opt`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120530	20120525
17160	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120530	20120525
17178	`opt`	`gcc -m64 -O3 -fomit-frame-pointer`	20120530	20120525
17190	`opt`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120530	20120525
17192	`opt`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120530	20120525
17213	`opt`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120530	20120525
17248	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120530	20120525
17294	`opt`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120530	20120525
17304	`opt`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120530	20120525
17327	`opt`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120530	20120525
17334	`opt`	`gcc -O2 -fomit-frame-pointer`	20120530	20120525
17451	`opt`	`gcc -m64 -O2 -fomit-frame-pointer`	20120530	20120525
17455	`opt`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120530	20120525
17460	`opt`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120530	20120525
17510	`opt`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120530	20120525
17513	`opt`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120530	20120525
17580	`opt`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120530	20120525
17586	`opt`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120530	20120525
17638	`opt`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120530	20120525
17715	`opt`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120530	20120525
17767	`opt`	`gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer`	20120530	20120525
17839	`opt`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120530	20120525
17904	`opt`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120530	20120525
17998	`opt`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120530	20120525
18342	`opt`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120530	20120525
18630	`opt`	`gcc -Os -fomit-frame-pointer`	20120530	20120525
18761	`opt`	`gcc -m64 -Os -fomit-frame-pointer`	20120530	20120525
18934	`opt`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20120530	20120525
19126	`opt`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120530	20120525
19181	`opt`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120530	20120525
19282	`opt`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120530	20120525
19289	`opt`	`gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer`	20120530	20120525
19318	`opt`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120530	20120525
19319	`opt`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120530	20120525
19373	`opt`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120530	20120525
19441	`opt`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120530	20120525
19455	`opt`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120530	20120525
19541	`opt`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120530	20120525
20020	`opt`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120530	20120525
20027	`opt`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120530	20120525
20207	`opt`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120530	20120525
20988	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120530	20120525
28478	`opt`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120530	20120525
80829	`opt`	`gcc`	20120530	20120525
81321	`opt`	`gcc -funroll-loops`	20120530	20120525
81484	`opt`	`cc`	20120530	20120525

Compiler output

Implementation: crypto_hash/skein256256/x64
Compiler: cc

skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]

Number of similar (compiler,implementation) pairs: 99, namely:

Compiler	Implementations
cc	x64
gcc	x64
gcc -O2 -fomit-frame-pointer	x64
gcc -O3 -fomit-frame-pointer	x64
gcc -O -fomit-frame-pointer	x64
gcc -Os -fomit-frame-pointer	x64
gcc -fno-schedule-insns -O2 -fomit-frame-pointer	x64
gcc -fno-schedule-insns -O3 -fomit-frame-pointer	x64
gcc -fno-schedule-insns -O -fomit-frame-pointer	x64
gcc -fno-schedule-insns -Os -fomit-frame-pointer	x64
gcc -funroll-loops	x64
gcc -funroll-loops -O2 -fomit-frame-pointer	x64
gcc -funroll-loops -O3 -fomit-frame-pointer	x64
gcc -funroll-loops -O -fomit-frame-pointer	x64
gcc -funroll-loops -Os -fomit-frame-pointer	x64
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer	x64
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer	x64
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer	x64
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -O -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -Os -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer	x64
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer	x64
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer	x64
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer	x64
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer	x64
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer	x64
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer	x64
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer	x64
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer	x64
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer	x64
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer	x64
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer	x64
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer	x64
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer	x64
gcc -m64 -O2 -fomit-frame-pointer	x64
gcc -m64 -O3 -fomit-frame-pointer	x64
gcc -m64 -O -fomit-frame-pointer	x64
gcc -m64 -Os -fomit-frame-pointer	x64
gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer	x64
gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer	x64
gcc -m64 -march=core-avx-i -O -fomit-frame-pointer	x64
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer	x64
gcc -m64 -march=core2 -O2 -fomit-frame-pointer	x64
gcc -m64 -march=core2 -O3 -fomit-frame-pointer	x64
gcc -m64 -march=core2 -O -fomit-frame-pointer	x64
gcc -m64 -march=core2 -Os -fomit-frame-pointer	x64
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer	x64
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer	x64
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer	x64
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer	x64
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer	x64
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer	x64
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer	x64
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer	x64
gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer	x64
gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer	x64
gcc -m64 -march=corei7-avx -O -fomit-frame-pointer	x64
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer	x64
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer	x64
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer	x64
gcc -m64 -march=corei7 -O -fomit-frame-pointer	x64
gcc -m64 -march=corei7 -Os -fomit-frame-pointer	x64
gcc -m64 -march=k8 -O2 -fomit-frame-pointer	x64
gcc -m64 -march=k8 -O3 -fomit-frame-pointer	x64
gcc -m64 -march=k8 -O -fomit-frame-pointer	x64
gcc -m64 -march=k8 -Os -fomit-frame-pointer	x64
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer	x64
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer	x64
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer	x64
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer	x64
gcc -m64 -march=nocona -O2 -fomit-frame-pointer	x64
gcc -m64 -march=nocona -O3 -fomit-frame-pointer	x64
gcc -m64 -march=nocona -O -fomit-frame-pointer	x64
gcc -m64 -march=nocona -Os -fomit-frame-pointer	x64
gcc -march=barcelona -O2 -fomit-frame-pointer	x64
gcc -march=barcelona -O3 -fomit-frame-pointer	x64
gcc -march=barcelona -O -fomit-frame-pointer	x64
gcc -march=barcelona -Os -fomit-frame-pointer	x64
gcc -march=k8 -O2 -fomit-frame-pointer	x64
gcc -march=k8 -O3 -fomit-frame-pointer	x64
gcc -march=k8 -O -fomit-frame-pointer	x64
gcc -march=k8 -Os -fomit-frame-pointer	x64
gcc -march=nocona -O2 -fomit-frame-pointer	x64
gcc -march=nocona -O3 -fomit-frame-pointer	x64
gcc -march=nocona -O -fomit-frame-pointer	x64
gcc -march=nocona -Os -fomit-frame-pointer	x64

Compiler output

Implementation: crypto_hash/skein256256/x64
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer

skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]

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

Compiler	Implementations
gcc -m64 -march=barcelona -O2 -fomit-frame-pointer	x64
gcc -m64 -march=barcelona -O3 -fomit-frame-pointer	x64
gcc -m64 -march=barcelona -O -fomit-frame-pointer	x64
gcc -m64 -march=barcelona -Os -fomit-frame-pointer	x64