Implementation notes: amd64, h9ivy, crypto_hash/skein256256

Computer: h9ivy
Architecture: amd64
CPU ID: GenuineIntel-000306a9-bfebfbff
SUPERCOP version: 20141014
Operation: crypto_hash
Primitive: skein256256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
13156	`x64`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140429	20140425
13172	`x64`	`gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer`	20140429	20140425
13188	`x64`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20140429	20140425
13196	`x64`	`gcc -m64 -O -fomit-frame-pointer`	20140429	20140425
13196	`x64`	`gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer`	20140429	20140425
13196	`x64`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20140429	20140425
13200	`x64`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20140429	20140425
13204	`x64`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20140429	20140425
13208	`x64`	`gcc -m64 -march=core-avx-i -O -fomit-frame-pointer`	20140429	20140425
13212	`x64`	`gcc -O2 -fomit-frame-pointer`	20140429	20140425
13212	`x64`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140429	20140425
13212	`x64`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20140429	20140425
13216	`x64`	`gcc -O -fomit-frame-pointer`	20140429	20140425
13216	`x64`	`gcc -m64 -O2 -fomit-frame-pointer`	20140429	20140425
13216	`x64`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20140429	20140425
13220	`x64`	`gcc -O3 -fomit-frame-pointer`	20140429	20140425
13220	`x64`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140429	20140425
13220	`x64`	`gcc -m64 -O3 -fomit-frame-pointer`	20140429	20140425
13232	`x64`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20140429	20140425
13232	`x64`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20140429	20140425
13232	`x64`	`gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer`	20140429	20140425
13232	`x64`	`gcc -m64 -march=corei7-avx -O -fomit-frame-pointer`	20140429	20140425
13236	`x64`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20140429	20140425
13236	`x64`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20140429	20140425
13244	`x64`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20140429	20140425
13244	`x64`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20140429	20140425
13248	`x64`	`cc`	20140429	20140425
13248	`opt`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140429	20140425
13252	`x64`	`gcc`	20140429	20140425
13264	`x64`	`gcc -funroll-loops`	20140429	20140425
13264	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140429	20140425
13276	`opt`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20140429	20140425
13280	`opt`	`gcc -O3 -fomit-frame-pointer`	20140429	20140425
13280	`opt`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140429	20140425
13280	`opt`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20140429	20140425
13284	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140429	20140425
13288	`x64`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20140429	20140425
13292	`opt`	`gcc -m64 -O2 -fomit-frame-pointer`	20140429	20140425
13292	`x64`	`gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer`	20140429	20140425
13296	`opt`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140429	20140425
13296	`opt`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20140429	20140425
13300	`opt`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140429	20140425
13300	`x64`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20140429	20140425
13304	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20140429	20140425
13308	`opt`	`gcc -O2 -fomit-frame-pointer`	20140429	20140425
13312	`opt`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20140429	20140425
13312	`opt`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20140429	20140425
13316	`opt`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140429	20140425
13320	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140429	20140425
13328	`opt`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20140429	20140425
13332	`opt`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20140429	20140425
13332	`opt`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20140429	20140425
13332	`opt`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20140429	20140425
13336	`opt`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140429	20140425
13336	`x64`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140429	20140425
13336	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140429	20140425
13336	`opt`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20140429	20140425
13340	`opt`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20140429	20140425
13340	`x64`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20140429	20140425
13344	`opt`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20140429	20140425
13348	`opt`	`gcc -m64 -O3 -fomit-frame-pointer`	20140429	20140425
13352	`x64`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20140429	20140425
13352	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140429	20140425
13356	`x64`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140429	20140425
13356	`x64`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20140429	20140425
13356	`opt`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20140429	20140425
13360	`x64`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20140429	20140425
13360	`opt`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20140429	20140425
13360	`opt`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20140429	20140425
13372	`x64`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20140429	20140425
13380	`opt`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20140429	20140425
13388	`x64`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20140429	20140425
13392	`x64`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140429	20140425
13392	`x64`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20140429	20140425
13396	`opt`	`gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer`	20140429	20140425
13400	`opt`	`gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer`	20140429	20140425
13452	`x64`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20140429	20140425
13468	`opt`	`gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer`	20140429	20140425
13476	`opt`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20140429	20140425
13480	`opt`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20140429	20140425
13480	`opt`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20140429	20140425
13480	`opt`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20140429	20140425
13488	`opt`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20140429	20140425
13488	`opt`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20140429	20140425
13488	`opt`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20140429	20140425
13496	`opt`	`gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer`	20140429	20140425
13500	`opt`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20140429	20140425
13500	`opt`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20140429	20140425
13520	`opt`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20140429	20140425
13528	`opt`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20140429	20140425
13528	`opt`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20140429	20140425
13540	`opt`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20140429	20140425
13540	`opt`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20140429	20140425
13540	`opt`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20140429	20140425
13564	`x64`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20140429	20140425
13572	`opt`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20140429	20140425
13664	`opt`	`gcc -m64 -O -fomit-frame-pointer`	20140429	20140425
13672	`opt`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20140429	20140425
13676	`opt`	`gcc -m64 -march=corei7-avx -O -fomit-frame-pointer`	20140429	20140425
13680	`opt`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20140429	20140425
13680	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140429	20140425
13684	`opt`	`gcc -O -fomit-frame-pointer`	20140429	20140425
13692	`opt`	`gcc -march=k8 -O -fomit-frame-pointer`	20140429	20140425
13696	`opt`	`gcc -march=barcelona -O -fomit-frame-pointer`	20140429	20140425
13704	`opt`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20140429	20140425
13704	`opt`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20140429	20140425
13708	`opt`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140429	20140425
13708	`opt`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20140429	20140425
13708	`opt`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20140429	20140425
13712	`opt`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20140429	20140425
13712	`opt`	`gcc -m64 -march=core-avx-i -O -fomit-frame-pointer`	20140429	20140425
13712	`opt`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20140429	20140425
13716	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20140429	20140425
13716	`opt`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20140429	20140425
13720	`opt`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140429	20140425
13720	`opt`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20140429	20140425
13724	`x64`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140429	20140425
13724	`opt`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20140429	20140425
13724	`opt`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20140429	20140425
13728	`x64`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20140429	20140425
13736	`x64`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140429	20140425
13736	`x64`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140429	20140425
13744	`opt`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140429	20140425
13744	`opt`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20140429	20140425
13744	`opt`	`gcc -march=nocona -O -fomit-frame-pointer`	20140429	20140425
13760	`x64`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20140429	20140425
13760	`x64`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20140429	20140425
13768	`x64`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20140429	20140425
13772	`x64`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20140429	20140425
13776	`x64`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20140429	20140425
13776	`x64`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20140429	20140425
13780	`x64`	`gcc -march=barcelona -O -fomit-frame-pointer`	20140429	20140425
13784	`x64`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20140429	20140425
13784	`x64`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20140429	20140425
13784	`x64`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140429	20140425
13784	`x64`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20140429	20140425
13788	`x64`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140429	20140425
13788	`x64`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140429	20140425
13788	`x64`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20140429	20140425
13788	`x64`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20140429	20140425
13788	`x64`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20140429	20140425
13792	`x64`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20140429	20140425
13792	`x64`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20140429	20140425
13796	`x64`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20140429	20140425
13800	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140429	20140425
13800	`x64`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20140429	20140425
13804	`x64`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140429	20140425
13808	`x64`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140429	20140425
13808	`x64`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20140429	20140425
13812	`x64`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20140429	20140425
13816	`x64`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20140429	20140425
13816	`x64`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20140429	20140425
13816	`x64`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20140429	20140425
13816	`x64`	`gcc -march=k8 -O -fomit-frame-pointer`	20140429	20140425
13816	`x64`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20140429	20140425
13816	`x64`	`gcc -march=nocona -O -fomit-frame-pointer`	20140429	20140425
13824	`x64`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20140429	20140425
13832	`x64`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20140429	20140425
13832	`x64`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20140429	20140425
13836	`x64`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20140429	20140425
13844	`x64`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20140429	20140425
13860	`x64`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20140429	20140425
13908	`x64`	`gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer`	20140429	20140425
13908	`x64`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20140429	20140425
13916	`x64`	`gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer`	20140429	20140425
13936	`x64`	`gcc -m64 -Os -fomit-frame-pointer`	20140429	20140425
13936	`x64`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20140429	20140425
13936	`x64`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20140429	20140425
13940	`x64`	`gcc -Os -fomit-frame-pointer`	20140429	20140425
13940	`x64`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140429	20140425
13940	`x64`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20140429	20140425
13940	`x64`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20140429	20140425
13944	`x64`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20140429	20140425
13944	`x64`	`gcc -march=k8 -Os -fomit-frame-pointer`	20140429	20140425
13944	`x64`	`gcc -march=nocona -Os -fomit-frame-pointer`	20140429	20140425
13948	`x64`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140429	20140425
13956	`x64`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20140429	20140425
13964	`x64`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20140429	20140425
14796	`opt`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20140429	20140425
14832	`opt`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20140429	20140425
14864	`opt`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140429	20140425
14876	`opt`	`gcc -Os -fomit-frame-pointer`	20140429	20140425
14876	`opt`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140429	20140425
14876	`opt`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20140429	20140425
14888	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140429	20140425
14896	`opt`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20140429	20140425
14900	`opt`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20140429	20140425
14904	`opt`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20140429	20140425
14924	`opt`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140429	20140425
14924	`opt`	`gcc -m64 -Os -fomit-frame-pointer`	20140429	20140425
14928	`opt`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20140429	20140425
14944	`opt`	`gcc -march=k8 -Os -fomit-frame-pointer`	20140429	20140425
14996	`opt`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20140429	20140425
15000	`opt`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20140429	20140425
15008	`opt`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20140429	20140425
15012	`opt`	`gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer`	20140429	20140425
15036	`opt`	`gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer`	20140429	20140425
15052	`opt`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20140429	20140425
15216	`opt`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20140429	20140425
15224	`opt`	`gcc -march=nocona -Os -fomit-frame-pointer`	20140429	20140425
15240	`opt`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20140429	20140425
15244	`opt`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20140429	20140425
15276	`opt`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20140429	20140425
61424	`opt`	`gcc -funroll-loops`	20140429	20140425
61448	`opt`	`cc`	20140429	20140425
61452	`opt`	`gcc`	20140429	20140425

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