Implementation notes: amd64, dragon, crypto_hash/skein10241024

Computer: dragon
Architecture: amd64
CPU ID: GenuineIntel-000106a5-bfebfbff
SUPERCOP version: 20130419
Operation: crypto_hash
Primitive: skein10241024

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
14412	`x64`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120526	20120525
14416	`x64`	`gcc -O -fomit-frame-pointer`	20120526	20120525
14416	`x64`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120526	20120525
14416	`x64`	`gcc -m64 -O3 -fomit-frame-pointer`	20120526	20120525
14416	`x64`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120526	20120525
14416	`x64`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120526	20120525
14416	`x64`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120526	20120525
14416	`x64`	`gcc -march=nocona -O -fomit-frame-pointer`	20120526	20120525
14420	`x64`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120526	20120525
14420	`x64`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120526	20120525
14420	`x64`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120526	20120525
14420	`x64`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120526	20120525
14420	`x64`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120526	20120525
14420	`x64`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120526	20120525
14420	`x64`	`gcc -m64 -O -fomit-frame-pointer`	20120526	20120525
14424	`x64`	`gcc -O3 -fomit-frame-pointer`	20120526	20120525
14424	`x64`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120526	20120525
14424	`x64`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120526	20120525
14424	`x64`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120526	20120525
14424	`x64`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120526	20120525
14436	`x64`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120526	20120525
14436	`x64`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120526	20120525
14436	`x64`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120526	20120525
14440	`x64`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120526	20120525
14440	`x64`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120526	20120525
14440	`x64`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120526	20120525
14440	`x64`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120526	20120525
14440	`x64`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120526	20120525
14440	`x64`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120526	20120525
14444	`x64`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120526	20120525
14444	`x64`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120526	20120525
14444	`x64`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120526	20120525
14448	`x64`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120526	20120525
14456	`x64`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120526	20120525
14456	`x64`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120526	20120525
14460	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120526	20120525
14460	`x64`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120526	20120525
14460	`x64`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120526	20120525
14460	`x64`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120526	20120525
14460	`x64`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120526	20120525
14460	`x64`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120526	20120525
14464	`x64`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120526	20120525
14464	`x64`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120526	20120525
14464	`x64`	`gcc -m64 -O2 -fomit-frame-pointer`	20120526	20120525
14464	`x64`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120526	20120525
14464	`x64`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120526	20120525
14464	`x64`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120526	20120525
14464	`x64`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120526	20120525
14464	`x64`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120526	20120525
14464	`x64`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120526	20120525
14468	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120526	20120525
14468	`x64`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120526	20120525
14480	`x64`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120526	20120525
14484	`x64`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120526	20120525
14484	`x64`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120526	20120525
14492	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120526	20120525
14500	`x64`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120526	20120525
14500	`x64`	`gcc -march=k8 -O -fomit-frame-pointer`	20120526	20120525
14516	`x64`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120526	20120525
14568	`x64`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120526	20120525
14576	`x64`	`cc`	20120526	20120525
14576	`x64`	`gcc`	20120526	20120525
14576	`x64`	`gcc -funroll-loops`	20120526	20120525
14576	`x64`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120526	20120525
14588	`x64`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120526	20120525
14612	`x64`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120526	20120525
14628	`x64`	`gcc -O2 -fomit-frame-pointer`	20120526	20120525
14660	`x64`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120526	20120525
14776	`x64`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120526	20120525
14792	`x64`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120526	20120525
14792	`x64`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120526	20120525
14812	`x64`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120526	20120525
14812	`x64`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120526	20120525
14812	`x64`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120526	20120525
14816	`x64`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120526	20120525
14816	`x64`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120526	20120525
14816	`x64`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120526	20120525
14832	`x64`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120526	20120525
14836	`x64`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120526	20120525
14836	`x64`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120526	20120525
14844	`x64`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120526	20120525
14844	`x64`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120526	20120525
14844	`x64`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120526	20120525
14860	`x64`	`gcc -m64 -Os -fomit-frame-pointer`	20120526	20120525
14860	`x64`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120526	20120525
14860	`x64`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120526	20120525
14864	`x64`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120526	20120525
14864	`x64`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120526	20120525
14872	`x64`	`gcc -Os -fomit-frame-pointer`	20120526	20120525
14924	`x64`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120526	20120525
14976	`x64`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120526	20120525
17448	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120526	20120525
17448	`opt`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120526	20120525
17460	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120526	20120525
17460	`opt`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120526	20120525
17708	`opt`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120526	20120525
17708	`opt`	`gcc -march=k8 -O -fomit-frame-pointer`	20120526	20120525
17716	`opt`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120526	20120525
17848	`opt`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120526	20120525
17860	`opt`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120526	20120525
17872	`opt`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120526	20120525
17892	`opt`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120526	20120525
17924	`opt`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120526	20120525
18040	`opt`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120526	20120525
18052	`opt`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120526	20120525
18068	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120526	20120525
18096	`opt`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120526	20120525
18096	`opt`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120526	20120525
18096	`opt`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120526	20120525
18128	`opt`	`gcc -m64 -O2 -fomit-frame-pointer`	20120526	20120525
18136	`opt`	`gcc -O2 -fomit-frame-pointer`	20120526	20120525
18156	`opt`	`gcc -m64 -O -fomit-frame-pointer`	20120526	20120525
18160	`opt`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120526	20120525
18160	`opt`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120526	20120525
18168	`opt`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120526	20120525
18168	`opt`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120526	20120525
18172	`opt`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120526	20120525
18172	`opt`	`gcc -march=nocona -O -fomit-frame-pointer`	20120526	20120525
18176	`opt`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120526	20120525
18180	`opt`	`gcc -O -fomit-frame-pointer`	20120526	20120525
18188	`opt`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120526	20120525
18188	`opt`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120526	20120525
18196	`opt`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120526	20120525
18196	`opt`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120526	20120525
18200	`opt`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120526	20120525
18220	`opt`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120526	20120525
18292	`opt`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120526	20120525
18304	`opt`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120526	20120525
18324	`opt`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120526	20120525
18324	`opt`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120526	20120525
18324	`opt`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120526	20120525
18344	`opt`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120526	20120525
18372	`opt`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120526	20120525
18372	`opt`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120526	20120525
18372	`opt`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120526	20120525
18372	`opt`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120526	20120525
18376	`opt`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120526	20120525
18424	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120526	20120525
18492	`opt`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120526	20120525
18828	`opt`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120526	20120525
18832	`opt`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120526	20120525
18832	`opt`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120526	20120525
18864	`opt`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120526	20120525
18864	`opt`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120526	20120525
18940	`opt`	`gcc -m64 -Os -fomit-frame-pointer`	20120526	20120525
18940	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120526	20120525
18940	`opt`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120526	20120525
18964	`opt`	`gcc -Os -fomit-frame-pointer`	20120526	20120525
19004	`opt`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120526	20120525
19004	`opt`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120526	20120525
19048	`opt`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120526	20120525
19056	`opt`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120526	20120525
19092	`opt`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120526	20120525
19104	`opt`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120526	20120525
19104	`opt`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120526	20120525
19116	`opt`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120526	20120525
19116	`opt`	`gcc -m64 -O3 -fomit-frame-pointer`	20120526	20120525
19124	`opt`	`gcc -O3 -fomit-frame-pointer`	20120526	20120525
19164	`opt`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120526	20120525
19184	`opt`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120526	20120525
19184	`opt`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120526	20120525
19188	`opt`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120526	20120525
19188	`opt`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120526	20120525
19276	`opt`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120526	20120525
19280	`opt`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120526	20120525
19284	`opt`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120526	20120525
19288	`opt`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120526	20120525
19324	`opt`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120526	20120525
19324	`opt`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120526	20120525
19328	`opt`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120526	20120525
19392	`opt`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120526	20120525
19392	`opt`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120526	20120525
19392	`opt`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120526	20120525
19416	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120526	20120525
19420	`opt`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120526	20120525
19492	`opt`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120526	20120525
19668	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120526	20120525
19668	`opt`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120526	20120525
19672	`opt`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120526	20120525
72460	`opt`	`gcc`	20120526	20120525
72652	`opt`	`cc`	20120526	20120525
72804	`opt`	`gcc -funroll-loops`	20120526	20120525

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