Implementation notes: amd64, sandy0, crypto_hash/skein256256

Computer: sandy0
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20130419
Operation: crypto_hash
Primitive: skein256256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
15108	`opt`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120329	20120316
15108	`opt`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120329	20120316
15112	`opt`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120329	20120316
15128	`opt`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120329	20120316
15132	`opt`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120329	20120316
15140	`opt`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120329	20120316
15172	`opt`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120329	20120316
15172	`opt`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120329	20120316
15180	`opt`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120329	20120316
15192	`opt`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120329	20120316
15196	`opt`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120329	20120316
15216	`opt`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120329	20120316
15216	`opt`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120329	20120316
15228	`opt`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120329	20120316
15232	`opt`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120329	20120316
15236	`opt`	`gcc -O3 -fomit-frame-pointer`	20120329	20120316
15248	`opt`	`gcc -m64 -O2 -fomit-frame-pointer`	20120329	20120316
15252	`opt`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120329	20120316
15256	`opt`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120329	20120316
15264	`opt`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120329	20120316
15268	`opt`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120329	20120316
15268	`opt`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120329	20120316
15272	`opt`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120329	20120316
15280	`opt`	`gcc -O2 -fomit-frame-pointer`	20120329	20120316
15280	`opt`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120329	20120316
15280	`opt`	`gcc -m64 -O3 -fomit-frame-pointer`	20120329	20120316
15284	`opt`	`gcc -march=nocona -O -fomit-frame-pointer`	20120329	20120316
15288	`opt`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120329	20120316
15292	`opt`	`gcc -O -fomit-frame-pointer`	20120329	20120316
15292	`opt`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120329	20120316
15292	`opt`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20120329	20120316
15292	`opt`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120329	20120316
15292	`opt`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120329	20120316
15296	`opt`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120329	20120316
15300	`opt`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120329	20120316
15300	`opt`	`gcc -m64 -O -fomit-frame-pointer`	20120329	20120316
15300	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120329	20120316
15300	`opt`	`gcc -m64 -march=corei7-avx -O -fomit-frame-pointer`	20120329	20120316
15308	`opt`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120329	20120316
15312	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120329	20120316
15316	`opt`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120329	20120316
15320	`opt`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120329	20120316
15320	`opt`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120329	20120316
15324	`opt`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120329	20120316
15324	`opt`	`gcc -march=k8 -O -fomit-frame-pointer`	20120329	20120316
15328	`opt`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120329	20120316
15328	`opt`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120329	20120316
15332	`opt`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120329	20120316
15336	`opt`	`gcc -m64 -march=core-avx-i -O -fomit-frame-pointer`	20120329	20120316
15344	`opt`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120329	20120316
15344	`opt`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120329	20120316
15356	`opt`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120329	20120316
15356	`opt`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120329	20120316
15360	`opt`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120329	20120316
15376	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120329	20120316
15388	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120329	20120316
15388	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120329	20120316
15396	`opt`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120329	20120316
15412	`opt`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120329	20120316
15420	`opt`	`gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer`	20120329	20120316
15424	`opt`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120329	20120316
15424	`opt`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120329	20120316
15432	`opt`	`gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer`	20120329	20120316
15456	`opt`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120329	20120316
15464	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120329	20120316
15500	`opt`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120329	20120316
15500	`opt`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20120329	20120316
15512	`opt`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120329	20120316
15516	`opt`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120329	20120316
15516	`opt`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120329	20120316
15516	`opt`	`gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer`	20120329	20120316
15520	`opt`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20120329	20120316
15576	`opt`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120329	20120316
15584	`opt`	`gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer`	20120329	20120316
15584	`opt`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120329	20120316
15644	`x64`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120329	20120316
15652	`x64`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120329	20120316
15652	`x64`	`gcc -m64 -march=core-avx-i -O -fomit-frame-pointer`	20120329	20120316
15652	`x64`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20120329	20120316
15656	`x64`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120329	20120316
15660	`x64`	`gcc -O2 -fomit-frame-pointer`	20120329	20120316
15664	`x64`	`gcc -m64 -O3 -fomit-frame-pointer`	20120329	20120316
15668	`x64`	`gcc -O -fomit-frame-pointer`	20120329	20120316
15668	`x64`	`gcc -m64 -march=corei7-avx -O -fomit-frame-pointer`	20120329	20120316
15668	`x64`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120329	20120316
15668	`x64`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120329	20120316
15672	`x64`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120329	20120316
15672	`x64`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120329	20120316
15672	`x64`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120329	20120316
15676	`x64`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120329	20120316
15676	`x64`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120329	20120316
15676	`x64`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120329	20120316
15680	`x64`	`gcc -m64 -O -fomit-frame-pointer`	20120329	20120316
15684	`x64`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120329	20120316
15684	`x64`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120329	20120316
15684	`x64`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120329	20120316
15684	`x64`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120329	20120316
15688	`x64`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120329	20120316
15688	`x64`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120329	20120316
15692	`x64`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120329	20120316
15692	`x64`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120329	20120316
15692	`x64`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120329	20120316
15692	`x64`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120329	20120316
15696	`x64`	`gcc -O3 -fomit-frame-pointer`	20120329	20120316
15696	`x64`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120329	20120316
15696	`x64`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120329	20120316
15696	`x64`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120329	20120316
15696	`x64`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120329	20120316
15700	`x64`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120329	20120316
15700	`x64`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120329	20120316
15700	`x64`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120329	20120316
15700	`x64`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120329	20120316
15700	`x64`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120329	20120316
15704	`x64`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120329	20120316
15704	`x64`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120329	20120316
15704	`x64`	`gcc -m64 -O2 -fomit-frame-pointer`	20120329	20120316
15704	`x64`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120329	20120316
15704	`x64`	`gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer`	20120329	20120316
15704	`x64`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20120329	20120316
15708	`x64`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120329	20120316
15708	`x64`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120329	20120316
15708	`x64`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120329	20120316
15708	`x64`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120329	20120316
15708	`x64`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120329	20120316
15708	`x64`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120329	20120316
15708	`x64`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120329	20120316
15708	`x64`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120329	20120316
15712	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120329	20120316
15712	`x64`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120329	20120316
15716	`x64`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120329	20120316
15724	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120329	20120316
15724	`x64`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120329	20120316
15724	`x64`	`gcc -march=k8 -O -fomit-frame-pointer`	20120329	20120316
15724	`x64`	`gcc -march=nocona -O -fomit-frame-pointer`	20120329	20120316
15728	`x64`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120329	20120316
15732	`x64`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120329	20120316
15732	`x64`	`gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer`	20120329	20120316
15732	`x64`	`gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer`	20120329	20120316
15736	`x64`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120329	20120316
15744	`x64`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120329	20120316
15744	`x64`	`gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer`	20120329	20120316
15752	`x64`	`cc`	20120329	20120316
15752	`x64`	`gcc -funroll-loops`	20120329	20120316
15756	`x64`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120329	20120316
15760	`x64`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120329	20120316
15764	`x64`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120329	20120316
15764	`x64`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120329	20120316
15768	`x64`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120329	20120316
15772	`x64`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120329	20120316
15776	`x64`	`gcc`	20120329	20120316
15776	`x64`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120329	20120316
15796	`x64`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20120329	20120316
15868	`x64`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120329	20120316
15888	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120329	20120316
15888	`x64`	`gcc -m64 -Os -fomit-frame-pointer`	20120329	20120316
15888	`x64`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120329	20120316
15908	`x64`	`gcc -Os -fomit-frame-pointer`	20120329	20120316
15916	`x64`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120329	20120316
15928	`x64`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120329	20120316
15932	`x64`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120329	20120316
15940	`x64`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120329	20120316
15940	`x64`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20120329	20120316
15940	`x64`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120329	20120316
15944	`x64`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120329	20120316
15948	`x64`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120329	20120316
15948	`x64`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120329	20120316
15948	`x64`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120329	20120316
15952	`x64`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120329	20120316
15952	`x64`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120329	20120316
15956	`x64`	`gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer`	20120329	20120316
15968	`x64`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120329	20120316
15968	`x64`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120329	20120316
15972	`x64`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120329	20120316
15972	`x64`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120329	20120316
15984	`x64`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120329	20120316
15984	`x64`	`gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer`	20120329	20120316
16000	`x64`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120329	20120316
16044	`x64`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120329	20120316
16772	`opt`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120329	20120316
16772	`opt`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120329	20120316
16796	`opt`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120329	20120316
16796	`opt`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120329	20120316
16816	`opt`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120329	20120316
16832	`opt`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120329	20120316
16840	`opt`	`gcc -Os -fomit-frame-pointer`	20120329	20120316
16856	`opt`	`gcc -m64 -Os -fomit-frame-pointer`	20120329	20120316
16856	`opt`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120329	20120316
16860	`opt`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120329	20120316
16872	`opt`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120329	20120316
16904	`opt`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120329	20120316
16928	`opt`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120329	20120316
16936	`opt`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120329	20120316
16948	`opt`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120329	20120316
16952	`opt`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120329	20120316
16988	`opt`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120329	20120316
17008	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120329	20120316
17120	`opt`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120329	20120316
17164	`opt`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120329	20120316
17188	`opt`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20120329	20120316
17248	`opt`	`gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer`	20120329	20120316
17288	`opt`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120329	20120316
17312	`opt`	`gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer`	20120329	20120316
17336	`opt`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120329	20120316
62564	`opt`	`gcc -funroll-loops`	20120329	20120316
62568	`opt`	`gcc`	20120329	20120316
62588	`opt`	`cc`	20120329	20120316

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