Implementation notes: amd64, gcc47, crypto_hash/skein10241024

Computer: gcc47
Architecture: amd64
CPU ID: GenuineIntel-000106ca-bfebfbff
SUPERCOP version: 20120918
Operation: crypto_hash
Primitive: skein10241024

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
35160	`opt`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120608	20120525
38430	`x64`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120608	20120525
38470	`x64`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120608	20120525
38890	`x64`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120608	20120525
39220	`x64`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120608	20120525
39380	`x64`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120608	20120525
39820	`x64`	`gcc -march=nocona -O -fomit-frame-pointer`	20120608	20120525
39910	`x64`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120608	20120525
39920	`x64`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120608	20120525
39920	`x64`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120608	20120525
40480	`x64`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120608	20120525
40540	`x64`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120608	20120525
40620	`x64`	`gcc -m64 -O2 -fomit-frame-pointer`	20120608	20120525
40770	`x64`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120608	20120525
40780	`x64`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120608	20120525
40860	`x64`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120608	20120525
41540	`x64`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120608	20120525
41740	`x64`	`gcc -Os -fomit-frame-pointer`	20120608	20120525
41760	`x64`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120608	20120525
41860	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120608	20120525
41930	`x64`	`gcc -O3 -fomit-frame-pointer`	20120608	20120525
41940	`x64`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120608	20120525
42060	`x64`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120608	20120525
42150	`x64`	`gcc -O -fomit-frame-pointer`	20120608	20120525
42210	`x64`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120608	20120525
42320	`x64`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120608	20120525
42320	`x64`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20120608	20120525
42380	`x64`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120608	20120525
42510	`x64`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120608	20120525
42600	`x64`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120608	20120525
42640	`x64`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120608	20120525
42650	`x64`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120608	20120525
42690	`x64`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120608	20120525
42710	`x64`	`gcc -march=k8 -O -fomit-frame-pointer`	20120608	20120525
42730	`x64`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120608	20120525
42750	`x64`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120608	20120525
42770	`x64`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120608	20120525
42780	`x64`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120608	20120525
42800	`x64`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120608	20120525
42820	`x64`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120608	20120525
42840	`x64`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120608	20120525
42850	`x64`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120608	20120525
42860	`x64`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120608	20120525
42950	`x64`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120608	20120525
43000	`x64`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120608	20120525
43040	`x64`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120608	20120525
43060	`x64`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120608	20120525
43060	`x64`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120608	20120525
43080	`x64`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120608	20120525
43100	`x64`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120608	20120525
43110	`x64`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120608	20120525
43130	`x64`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120608	20120525
43150	`x64`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120608	20120525
43160	`x64`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120608	20120525
43170	`x64`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120608	20120525
43190	`x64`	`gcc -m64 -Os -fomit-frame-pointer`	20120608	20120525
43230	`x64`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120608	20120525
43260	`x64`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120608	20120525
43310	`x64`	`cc`	20120608	20120525
43340	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120608	20120525
43340	`x64`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120608	20120525
43350	`x64`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120608	20120525
43400	`x64`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120608	20120525
43400	`x64`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120608	20120525
43470	`x64`	`gcc -funroll-loops`	20120608	20120525
43500	`x64`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120608	20120525
43630	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120608	20120525
43710	`opt`	`gcc -march=nocona -O -fomit-frame-pointer`	20120608	20120525
43780	`x64`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120608	20120525
43790	`x64`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120608	20120525
43870	`x64`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120608	20120525
43870	`x64`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120608	20120525
43880	`x64`	`gcc -m64 -O -fomit-frame-pointer`	20120608	20120525
44090	`x64`	`gcc -m64 -O3 -fomit-frame-pointer`	20120608	20120525
44200	`x64`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120608	20120525
45240	`x64`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120608	20120525
45320	`x64`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120608	20120525
45610	`opt`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20120608	20120525
46070	`x64`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120608	20120525
46700	`opt`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20120608	20120525
46900	`opt`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120608	20120525
47710	`opt`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120608	20120525
47950	`opt`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120608	20120525
47990	`x64`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120608	20120525
48010	`x64`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120608	20120525
48020	`opt`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20120608	20120525
48290	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120608	20120525
48300	`x64`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120608	20120525
48380	`opt`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20120608	20120525
48390	`x64`	`gcc -O2 -fomit-frame-pointer`	20120608	20120525
48480	`x64`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120608	20120525
48510	`x64`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120608	20120525
48510	`opt`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120608	20120525
48580	`opt`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120608	20120525
48590	`x64`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20120608	20120525
48620	`x64`	`gcc`	20120608	20120525
48650	`opt`	`gcc -funroll-loops -O -fomit-frame-pointer`	20120608	20120525
48660	`x64`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120608	20120525
48740	`opt`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20120608	20120525
48780	`x64`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120608	20120525
48910	`opt`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20120608	20120525
48950	`x64`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120608	20120525
49010	`opt`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20120608	20120525
49030	`opt`	`gcc -Os -fomit-frame-pointer`	20120608	20120525
49070	`opt`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20120608	20120525
49190	`x64`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20120608	20120525
49210	`x64`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120608	20120525
49350	`opt`	`gcc -m64 -O2 -fomit-frame-pointer`	20120608	20120525
49440	`opt`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20120608	20120525
49530	`opt`	`gcc -march=barcelona -O -fomit-frame-pointer`	20120608	20120525
49580	`x64`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120608	20120525
49620	`opt`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20120608	20120525
49750	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120608	20120525
49970	`opt`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20120608	20120525
50110	`x64`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120608	20120525
50130	`opt`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20120608	20120525
50230	`opt`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20120608	20120525
50250	`opt`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20120608	20120525
50260	`opt`	`gcc -O2 -fomit-frame-pointer`	20120608	20120525
50300	`opt`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20120608	20120525
50310	`opt`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20120608	20120525
50540	`opt`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20120608	20120525
50740	`opt`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20120608	20120525
50760	`opt`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20120608	20120525
50810	`opt`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20120608	20120525
51000	`opt`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20120608	20120525
51060	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20120608	20120525
51090	`opt`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20120608	20120525
51220	`opt`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20120608	20120525
51220	`opt`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20120608	20120525
51240	`opt`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20120608	20120525
51300	`opt`	`gcc -march=k8 -Os -fomit-frame-pointer`	20120608	20120525
51400	`opt`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20120608	20120525
51540	`opt`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20120608	20120525
51650	`opt`	`gcc -march=k8 -O -fomit-frame-pointer`	20120608	20120525
51820	`opt`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20120608	20120525
52190	`opt`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120608	20120525
52210	`opt`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20120608	20120525
52220	`opt`	`gcc -O3 -fomit-frame-pointer`	20120608	20120525
52620	`opt`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20120608	20120525
52650	`opt`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20120608	20120525
52680	`opt`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20120608	20120525
52830	`opt`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20120608	20120525
52900	`opt`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20120608	20120525
53760	`opt`	`gcc -m64 -O3 -fomit-frame-pointer`	20120608	20120525
53840	`opt`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20120608	20120525
53860	`opt`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20120608	20120525
53880	`opt`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20120608	20120525
53880	`opt`	`gcc -march=nocona -Os -fomit-frame-pointer`	20120608	20120525
54310	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20120608	20120525
54910	`opt`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20120608	20120525
54980	`opt`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20120608	20120525
55030	`opt`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20120608	20120525
55360	`opt`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20120608	20120525
55560	`opt`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120608	20120525
55610	`opt`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20120608	20120525
55810	`opt`	`gcc -m64 -O -fomit-frame-pointer`	20120608	20120525
55820	`opt`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20120608	20120525
56040	`opt`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20120608	20120525
56070	`opt`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20120608	20120525
56480	`opt`	`gcc -O -fomit-frame-pointer`	20120608	20120525
56840	`opt`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20120608	20120525
56870	`opt`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20120608	20120525
57260	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20120608	20120525
57300	`opt`	`gcc -m64 -Os -fomit-frame-pointer`	20120608	20120525
57310	`opt`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20120608	20120525
57530	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20120608	20120525
57890	`opt`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20120608	20120525
58190	`opt`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20120608	20120525
58320	`opt`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20120608	20120525
58450	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20120608	20120525
58460	`opt`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20120608	20120525
58800	`opt`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20120608	20120525
59220	`opt`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20120608	20120525
59470	`opt`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20120608	20120525
59510	`opt`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120608	20120525
59590	`opt`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120608	20120525
61380	`opt`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20120608	20120525
61960	`opt`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20120608	20120525
149800	`opt`	`gcc -funroll-loops`	20120608	20120525
153820	`opt`	`gcc`	20120608	20120525
154580	`opt`	`cc`	20120608	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