Implementation notes: amd64, ares, crypto_hash/skein256256

Computer: ares
Architecture: amd64
CPU ID: GenuineIntel-000306a9-bfebfbff
SUPERCOP version: 20130419
Operation: crypto_hash
Primitive: skein256256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
13184	`x64`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140126	20130419
13188	`x64`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
13192	`opt`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
13200	`x64`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
13204	`opt`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
13208	`x64`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20140126	20130419
13212	`x64`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20140126	20130419
13212	`opt`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
13220	`x64`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140126	20130419
13220	`opt`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
13220	`x64`	`gcc -m64 -O2 -fomit-frame-pointer`	20140126	20130419
13232	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
13236	`x64`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140126	20130419
13236	`opt`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
13240	`opt`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140126	20130419
13240	`opt`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
13244	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
13248	`x64`	`gcc -O3 -fomit-frame-pointer`	20140126	20130419
13248	`x64`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20140126	20130419
13252	`opt`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
13256	`x64`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
13264	`x64`	`gcc -O -fomit-frame-pointer`	20140126	20130419
13264	`opt`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140126	20130419
13268	`opt`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140126	20130419
13268	`opt`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20140126	20130419
13268	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
13272	`opt`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140126	20130419
13276	`opt`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140126	20130419
13284	`opt`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
13288	`opt`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20140126	20130419
13288	`opt`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
13300	`opt`	`gcc -m64 -O3 -fomit-frame-pointer`	20140126	20130419
13300	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
13300	`x64`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20140126	20130419
13304	`x64`	`gcc -funroll-loops`	20140126	20130419
13304	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
13308	`opt`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
13316	`opt`	`gcc -O2 -fomit-frame-pointer`	20140126	20130419
13324	`opt`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
13332	`opt`	`gcc -O3 -fomit-frame-pointer`	20140126	20130419
13332	`opt`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140126	20130419
13340	`opt`	`gcc -m64 -O2 -fomit-frame-pointer`	20140126	20130419
13364	`x64`	`gcc -m64 -O -fomit-frame-pointer`	20140126	20130419
13376	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
13380	`x64`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20140126	20130419
13384	`opt`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
13384	`opt`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20140126	20130419
13388	`opt`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20140126	20130419
13396	`opt`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20140126	20130419
13400	`opt`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20140126	20130419
13400	`opt`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20140126	20130419
13400	`opt`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20140126	20130419
13416	`opt`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20140126	20130419
13420	`opt`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20140126	20130419
13460	`opt`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
13476	`opt`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
13488	`opt`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
13492	`opt`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
13492	`opt`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
13496	`opt`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
13500	`opt`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20140126	20130419
13504	`opt`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
13504	`opt`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
13540	`opt`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140126	20130419
13540	`opt`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
13572	`opt`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140126	20130419
13572	`opt`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
13572	`opt`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
13592	`opt`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
13616	`opt`	`gcc -march=nocona -O -fomit-frame-pointer`	20140126	20130419
13620	`opt`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20140126	20130419
13624	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13624	`opt`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20140126	20130419
13632	`opt`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20140126	20130419
13632	`opt`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20140126	20130419
13636	`opt`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20140126	20130419
13640	`opt`	`gcc -O -fomit-frame-pointer`	20140126	20130419
13640	`opt`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20140126	20130419
13640	`opt`	`gcc -march=k8 -O -fomit-frame-pointer`	20140126	20130419
13644	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13648	`opt`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140126	20130419
13648	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13652	`opt`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13652	`opt`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20140126	20130419
13656	`opt`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140126	20130419
13664	`opt`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140126	20130419
13664	`opt`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20140126	20130419
13668	`opt`	`gcc -Os -fomit-frame-pointer`	20140126	20130419
13668	`opt`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20140126	20130419
13672	`opt`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20140126	20130419
13672	`opt`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20140126	20130419
13688	`opt`	`gcc -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13692	`opt`	`gcc -m64 -O -fomit-frame-pointer`	20140126	20130419
13692	`x64`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20140126	20130419
13700	`opt`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140126	20130419
13708	`x64`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20140126	20130419
13716	`opt`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
13724	`x64`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140126	20130419
13728	`opt`	`gcc -m64 -Os -fomit-frame-pointer`	20140126	20130419
13732	`opt`	`gcc -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
13736	`x64`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140126	20130419
13740	`x64`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
13744	`x64`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20140126	20130419
13748	`x64`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20140126	20130419
13752	`x64`	`cc`	20140126	20130419
13752	`x64`	`gcc -O2 -fomit-frame-pointer`	20140126	20130419
13752	`x64`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20140126	20130419
13756	`x64`	`gcc -m64 -O3 -fomit-frame-pointer`	20140126	20130419
13756	`x64`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
13756	`x64`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20140126	20130419
13760	`x64`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140126	20130419
13760	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
13760	`x64`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13760	`x64`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
13760	`x64`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20140126	20130419
13760	`x64`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
13764	`x64`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
13764	`x64`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20140126	20130419
13764	`x64`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20140126	20130419
13768	`x64`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
13772	`x64`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
13772	`x64`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
13772	`opt`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20140126	20130419
13772	`x64`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
13772	`x64`	`gcc -march=k8 -O -fomit-frame-pointer`	20140126	20130419
13776	`x64`	`gcc`	20140126	20130419
13776	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13776	`x64`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13776	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
13776	`opt`	`gcc -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
13780	`x64`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
13784	`x64`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13784	`x64`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
13784	`x64`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
13788	`x64`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20140126	20130419
13788	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
13792	`x64`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
13792	`x64`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20140126	20130419
13796	`x64`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140126	20130419
13796	`x64`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20140126	20130419
13796	`x64`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
13796	`x64`	`gcc -march=nocona -O -fomit-frame-pointer`	20140126	20130419
13800	`x64`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
13800	`opt`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
13804	`x64`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20140126	20130419
13804	`x64`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
13804	`opt`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
13808	`x64`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20140126	20130419
13808	`x64`	`gcc -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13812	`x64`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20140126	20130419
13812	`x64`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20140126	20130419
13812	`opt`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20140126	20130419
13812	`opt`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20140126	20130419
13812	`opt`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20140126	20130419
13816	`x64`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140126	20130419
13820	`opt`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
13824	`opt`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
13828	`x64`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140126	20130419
13836	`x64`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
13848	`x64`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
13860	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
13884	`x64`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
13884	`x64`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
13888	`x64`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
13900	`x64`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140126	20130419
13904	`x64`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
13916	`x64`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
13924	`x64`	`gcc -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
13928	`x64`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
13932	`x64`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20140126	20130419
13944	`x64`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
13948	`x64`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140126	20130419
13948	`x64`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20140126	20130419
13960	`x64`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
13960	`x64`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
13960	`x64`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20140126	20130419
13964	`x64`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
13968	`x64`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140126	20130419
13968	`x64`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
13976	`x64`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
13976	`x64`	`gcc -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
13980	`x64`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
13992	`x64`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
13992	`x64`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20140126	20130419
14000	`x64`	`gcc -m64 -Os -fomit-frame-pointer`	20140126	20130419
14024	`x64`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20140126	20130419
14052	`x64`	`gcc -Os -fomit-frame-pointer`	20140126	20130419
61436	`opt`	`cc`	20140126	20130419
61436	`opt`	`gcc`	20140126	20130419
61456	`opt`	`gcc -funroll-loops`	20140126	20130419

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: 87, 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=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 -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=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