Implementation notes: amd64, giant4, crypto_hash/skein10241024

Computer: giant4
Architecture: amd64
CPU ID: GenuineIntel-000206c2-bfebfbff
SUPERCOP version: 20120207
Operation: crypto_hash
Primitive: skein10241024

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
12981	`x64`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120120	20120120
13017	`x64`	`gcc -O3 -fomit-frame-pointer`	20120120	20120120
13020	`x64`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120120	20120120
13023	`x64`	`gcc -O -fomit-frame-pointer`	20120120	20120120
13056	`x64`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120120	20120120
13341	`x64`	`gcc -Os -fomit-frame-pointer`	20120120	20120120
13662	`x64`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120120	20120120
13662	`x64`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120120	20120120
13662	`x64`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120120	20120120
13662	`x64`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120120	20120120
13665	`x64`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120120	20120120
13665	`x64`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120120	20120120
13665	`x64`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120120	20120120
13665	`x64`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120120	20120120
13665	`x64`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120120	20120120
13665	`x64`	`gcc -march=nocona -O -fomit-frame-pointer`	20120120	20120120
13671	`x64`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120120	20120120
13686	`x64`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120120	20120120
13686	`x64`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120120	20120120
13686	`x64`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120120	20120120
13689	`x64`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120120	20120120
13689	`x64`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120120	20120120
13692	`x64`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120120	20120120
13695	`x64`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120120	20120120
13698	`x64`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -m64 -O3 -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -m64 -O -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120120	20120120
13701	`x64`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120120	20120120
13704	`x64`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120120	20120120
13704	`x64`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120120	20120120
13704	`x64`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120120	20120120
13710	`x64`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120120	20120120
13716	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120120	20120120
13716	`x64`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120120	20120120
13719	`x64`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120120	20120120
13734	`x64`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120120	20120120
13737	`x64`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120120	20120120
13737	`x64`	`gcc -march=k8 -O -fomit-frame-pointer`	20120120	20120120
13740	`x64`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120120	20120120
13746	`x64`	`gcc -m64 -O2 -fomit-frame-pointer`	20120120	20120120
13752	`x64`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120120	20120120
13752	`x64`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120120	20120120
13755	`x64`	`gcc -O2 -fomit-frame-pointer`	20120120	20120120
13755	`x64`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120120	20120120
13779	`x64`	`cc`	20120120	20120120
13779	`x64`	`gcc`	20120120	20120120
13779	`x64`	`gcc -funroll-loops`	20120120	20120120
13794	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120120	20120120
14013	`x64`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120120	20120120
14016	`x64`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120120	20120120
14019	`x64`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120120	20120120
14019	`x64`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120120	20120120
14019	`x64`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120120	20120120
14031	`x64`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120120	20120120
14040	`x64`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120120	20120120
14040	`x64`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120120	20120120
14040	`x64`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120120	20120120
14040	`x64`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120120	20120120
14040	`x64`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120120	20120120
14040	`x64`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120120	20120120
14055	`x64`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120120	20120120
14067	`x64`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120120	20120120
14070	`x64`	`gcc -m64 -Os -fomit-frame-pointer`	20120120	20120120
14076	`x64`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120120	20120120
14076	`x64`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120120	20120120
14088	`x64`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120120	20120120
14088	`x64`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120120	20120120
14127	`x64`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120120	20120120
14160	`x64`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120120	20120120
16899	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120120	20120120
16902	`opt`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120120	20120120
16908	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120120	20120120
16911	`opt`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120120	20120120
16911	`opt`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120120	20120120
16914	`opt`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120120	20120120
17007	`opt`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120120	20120120
17007	`opt`	`gcc -march=k8 -O -fomit-frame-pointer`	20120120	20120120
17034	`opt`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120120	20120120
17046	`opt`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120120	20120120
17046	`opt`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120120	20120120
17082	`opt`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120120	20120120
17094	`opt`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120120	20120120
17211	`opt`	`gcc -m64 -O -fomit-frame-pointer`	20120120	20120120
17211	`opt`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120120	20120120
17220	`opt`	`gcc -O -fomit-frame-pointer`	20120120	20120120
17220	`opt`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120120	20120120
17229	`opt`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120120	20120120
17232	`opt`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120120	20120120
17310	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120120	20120120
17325	`opt`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120120	20120120
17325	`opt`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120120	20120120
17325	`opt`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120120	20120120
17325	`opt`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120120	20120120
17325	`opt`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120120	20120120
17331	`opt`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120120	20120120
17331	`opt`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120120	20120120
17343	`opt`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120120	20120120
17343	`opt`	`gcc -march=nocona -O -fomit-frame-pointer`	20120120	20120120
17349	`opt`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120120	20120120
17397	`opt`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120120	20120120
17397	`opt`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120120	20120120
17406	`opt`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120120	20120120
17406	`opt`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120120	20120120
17406	`opt`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120120	20120120
17409	`opt`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120120	20120120
17424	`opt`	`gcc -O2 -fomit-frame-pointer`	20120120	20120120
17493	`opt`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120120	20120120
17493	`opt`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120120	20120120
17493	`opt`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120120	20120120
17499	`opt`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120120	20120120
17538	`opt`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120120	20120120
17541	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120120	20120120
17562	`opt`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120120	20120120
17562	`opt`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120120	20120120
17706	`opt`	`gcc -Os -fomit-frame-pointer`	20120120	20120120
17709	`opt`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120120	20120120
17709	`opt`	`gcc -m64 -Os -fomit-frame-pointer`	20120120	20120120
17709	`opt`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120120	20120120
17709	`opt`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120120	20120120
17733	`opt`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120120	20120120
17742	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120120	20120120
17751	`opt`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120120	20120120
17757	`opt`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120120	20120120
17760	`opt`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120120	20120120
17766	`opt`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120120	20120120
17880	`opt`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120120	20120120
17880	`opt`	`gcc -m64 -O2 -fomit-frame-pointer`	20120120	20120120
17880	`opt`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120120	20120120
17880	`opt`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120120	20120120
17943	`opt`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120120	20120120
17943	`opt`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120120	20120120
17943	`opt`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120120	20120120
17943	`opt`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120120	20120120
18045	`opt`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120120	20120120
18045	`opt`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120120	20120120
18384	`opt`	`gcc -m64 -O3 -fomit-frame-pointer`	20120120	20120120
18399	`opt`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120120	20120120
18429	`opt`	`gcc -O3 -fomit-frame-pointer`	20120120	20120120
18648	`opt`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120120	20120120
18648	`opt`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120120	20120120
18648	`opt`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120120	20120120
18651	`opt`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120120	20120120
18663	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120120	20120120
18663	`opt`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120120	20120120
18663	`opt`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120120	20120120
18666	`opt`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120120	20120120
18669	`opt`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120120	20120120
18678	`opt`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120120	20120120
18978	`opt`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120120	20120120
19029	`opt`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120120	20120120
19032	`opt`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120120	20120120
19035	`opt`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120120	20120120
19134	`opt`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120120	20120120
19140	`opt`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120120	20120120
19146	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120120	20120120
19152	`opt`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120120	20120120
19155	`opt`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120120	20120120
68715	`opt`	`gcc -funroll-loops`	20120120	20120120
68736	`opt`	`gcc`	20120120	20120120
68742	`opt`	`cc`	20120120	20120120

Compiler output

Implementation: crypto_hash/skein10241024/x64
Compiler: cc

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

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=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/skein10241024/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
skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ??) ignored, use -trigraphs to enable

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