Implementation notes: amd64, bridge, crypto_hash/skein256256

Computer: bridge
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20120928
Operation: crypto_hash
Primitive: skein256256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
15068	`opt`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120127	20120120
15096	`opt`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120127	20120120
15128	`opt`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120127	20120120
15128	`opt`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120127	20120120
15140	`opt`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120127	20120120
15156	`opt`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120127	20120120
15156	`opt`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120127	20120120
15164	`opt`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120127	20120120
15172	`opt`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120127	20120120
15172	`opt`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120127	20120120
15176	`opt`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120127	20120120
15184	`opt`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120127	20120120
15188	`opt`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120127	20120120
15196	`opt`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120127	20120120
15204	`opt`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120127	20120120
15224	`opt`	`gcc -m64 -O3 -fomit-frame-pointer`	20120127	20120120
15228	`opt`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120127	20120120
15232	`opt`	`gcc -march=k8 -O -fomit-frame-pointer`	20120127	20120120
15240	`opt`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120127	20120120
15244	`opt`	`gcc -O2 -fomit-frame-pointer`	20120127	20120120
15252	`opt`	`gcc -O3 -fomit-frame-pointer`	20120127	20120120
15256	`opt`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120127	20120120
15260	`opt`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120127	20120120
15260	`opt`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120127	20120120
15268	`opt`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120127	20120120
15268	`opt`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120127	20120120
15272	`opt`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120127	20120120
15272	`opt`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120127	20120120
15272	`opt`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120127	20120120
15276	`opt`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120127	20120120
15276	`opt`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120127	20120120
15280	`opt`	`gcc -O -fomit-frame-pointer`	20120127	20120120
15280	`opt`	`gcc -m64 -march=core-avx-i -O -fomit-frame-pointer`	20120127	20120120
15284	`opt`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120127	20120120
15284	`opt`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120127	20120120
15284	`opt`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120127	20120120
15284	`opt`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120127	20120120
15288	`opt`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120127	20120120
15288	`opt`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120127	20120120
15288	`opt`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120127	20120120
15288	`opt`	`gcc -march=nocona -O -fomit-frame-pointer`	20120127	20120120
15292	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120127	20120120
15292	`opt`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120127	20120120
15296	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120127	20120120
15296	`opt`	`gcc -m64 -O -fomit-frame-pointer`	20120127	20120120
15296	`opt`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20120127	20120120
15300	`opt`	`gcc -m64 -march=corei7-avx -O -fomit-frame-pointer`	20120127	20120120
15304	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120127	20120120
15304	`opt`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120127	20120120
15304	`opt`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120127	20120120
15304	`opt`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120127	20120120
15312	`opt`	`gcc -m64 -O2 -fomit-frame-pointer`	20120127	20120120
15312	`opt`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120127	20120120
15332	`opt`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120127	20120120
15332	`opt`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120127	20120120
15340	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120127	20120120
15360	`opt`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120127	20120120
15396	`opt`	`gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer`	20120127	20120120
15400	`opt`	`gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer`	20120127	20120120
15404	`opt`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120127	20120120
15416	`opt`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120127	20120120
15420	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120127	20120120
15420	`opt`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120127	20120120
15428	`opt`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120127	20120120
15432	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120127	20120120
15476	`opt`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120127	20120120
15484	`opt`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120127	20120120
15504	`opt`	`gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer`	20120127	20120120
15504	`opt`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120127	20120120
15504	`opt`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20120127	20120120
15512	`opt`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20120127	20120120
15516	`opt`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120127	20120120
15516	`opt`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120127	20120120
15520	`opt`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120127	20120120
15532	`opt`	`gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer`	20120127	20120120
15636	`x64`	`gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer`	20120127	20120120
15636	`x64`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20120127	20120120
15644	`x64`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120127	20120120
15648	`x64`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120127	20120120
15648	`x64`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120127	20120120
15648	`x64`	`gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer`	20120127	20120120
15652	`x64`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120127	20120120
15652	`x64`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120127	20120120
15652	`x64`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120127	20120120
15652	`x64`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120127	20120120
15656	`x64`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120127	20120120
15660	`x64`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120127	20120120
15660	`x64`	`gcc -m64 -O -fomit-frame-pointer`	20120127	20120120
15664	`x64`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120127	20120120
15664	`x64`	`gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer`	20120127	20120120
15664	`x64`	`gcc -m64 -march=core-avx-i -O -fomit-frame-pointer`	20120127	20120120
15664	`x64`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120127	20120120
15664	`x64`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120127	20120120
15668	`x64`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120127	20120120
15668	`x64`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120127	20120120
15668	`x64`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120127	20120120
15668	`x64`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120127	20120120
15668	`x64`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120127	20120120
15672	`x64`	`gcc -O2 -fomit-frame-pointer`	20120127	20120120
15672	`x64`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120127	20120120
15672	`x64`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120127	20120120
15672	`x64`	`gcc -m64 -march=corei7-avx -O -fomit-frame-pointer`	20120127	20120120
15672	`x64`	`gcc -march=k8 -O -fomit-frame-pointer`	20120127	20120120
15676	`x64`	`gcc -m64 -O2 -fomit-frame-pointer`	20120127	20120120
15676	`x64`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120127	20120120
15680	`x64`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120127	20120120
15680	`x64`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120127	20120120
15680	`x64`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120127	20120120
15680	`x64`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20120127	20120120
15680	`x64`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120127	20120120
15684	`x64`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120127	20120120
15684	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120127	20120120
15684	`x64`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120127	20120120
15684	`x64`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120127	20120120
15684	`x64`	`gcc -march=nocona -O -fomit-frame-pointer`	20120127	20120120
15688	`x64`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120127	20120120
15688	`x64`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120127	20120120
15688	`x64`	`gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer`	20120127	20120120
15692	`x64`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120127	20120120
15692	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120127	20120120
15692	`x64`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120127	20120120
15696	`x64`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120127	20120120
15696	`x64`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120127	20120120
15696	`x64`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120127	20120120
15696	`x64`	`gcc -m64 -O3 -fomit-frame-pointer`	20120127	20120120
15696	`x64`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120127	20120120
15696	`x64`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120127	20120120
15700	`x64`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120127	20120120
15700	`x64`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120127	20120120
15704	`x64`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120127	20120120
15704	`x64`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120127	20120120
15704	`x64`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120127	20120120
15704	`x64`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120127	20120120
15704	`x64`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120127	20120120
15704	`x64`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120127	20120120
15708	`x64`	`gcc -O -fomit-frame-pointer`	20120127	20120120
15712	`x64`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120127	20120120
15712	`x64`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120127	20120120
15712	`x64`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120127	20120120
15716	`x64`	`gcc -O3 -fomit-frame-pointer`	20120127	20120120
15720	`x64`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120127	20120120
15724	`x64`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120127	20120120
15724	`x64`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120127	20120120
15732	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120127	20120120
15736	`x64`	`cc`	20120127	20120120
15736	`x64`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120127	20120120
15740	`x64`	`gcc -funroll-loops`	20120127	20120120
15744	`x64`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120127	20120120
15744	`x64`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120127	20120120
15744	`x64`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20120127	20120120
15748	`x64`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120127	20120120
15748	`x64`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120127	20120120
15756	`x64`	`gcc`	20120127	20120120
15864	`x64`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120127	20120120
15872	`x64`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120127	20120120
15900	`x64`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120127	20120120
15920	`x64`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120127	20120120
15924	`x64`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120127	20120120
15928	`x64`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120127	20120120
15928	`x64`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120127	20120120
15932	`x64`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120127	20120120
15932	`x64`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120127	20120120
15932	`x64`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120127	20120120
15932	`x64`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120127	20120120
15936	`x64`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120127	20120120
15940	`x64`	`gcc -Os -fomit-frame-pointer`	20120127	20120120
15944	`x64`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120127	20120120
15948	`x64`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120127	20120120
15952	`x64`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120127	20120120
15952	`x64`	`gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer`	20120127	20120120
15952	`x64`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20120127	20120120
15956	`x64`	`gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer`	20120127	20120120
15960	`x64`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120127	20120120
15972	`x64`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120127	20120120
15972	`x64`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120127	20120120
15980	`x64`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120127	20120120
15988	`x64`	`gcc -m64 -Os -fomit-frame-pointer`	20120127	20120120
16000	`x64`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120127	20120120
16588	`opt`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120127	20120120
16588	`opt`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120127	20120120
16772	`opt`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120127	20120120
16776	`opt`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120127	20120120
16784	`opt`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120127	20120120
16792	`opt`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120127	20120120
16792	`opt`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120127	20120120
16796	`opt`	`gcc -m64 -Os -fomit-frame-pointer`	20120127	20120120
16800	`opt`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120127	20120120
16800	`opt`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120127	20120120
16828	`opt`	`gcc -Os -fomit-frame-pointer`	20120127	20120120
16852	`opt`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120127	20120120
16864	`opt`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120127	20120120
16868	`opt`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120127	20120120
16880	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120127	20120120
16924	`opt`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120127	20120120
16956	`opt`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120127	20120120
16972	`opt`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120127	20120120
17136	`opt`	`gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer`	20120127	20120120
17160	`opt`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20120127	20120120
17164	`opt`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120127	20120120
17304	`opt`	`gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer`	20120127	20120120
17308	`opt`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120127	20120120
17308	`opt`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120127	20120120
17312	`opt`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120127	20120120
62524	`opt`	`gcc -funroll-loops`	20120127	20120120
62548	`opt`	`gcc`	20120127	20120120
62568	`opt`	`cc`	20120127	20120120

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