Implementation notes: amd64, ares, crypto_hash/skein10241024

Computer: ares
Architecture: amd64
CPU ID: GenuineIntel-000306a9-bfebfbff
SUPERCOP version: 20130419
Operation: crypto_hash
Primitive: skein10241024

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
13700	`opt`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20140126	20130419
13704	`opt`	`gcc -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13708	`opt`	`gcc -march=k8 -O -fomit-frame-pointer`	20140126	20130419
13716	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13736	`opt`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13764	`opt`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20140126	20130419
13948	`opt`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140126	20130419
13964	`opt`	`gcc -m64 -O -fomit-frame-pointer`	20140126	20130419
13972	`opt`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20140126	20130419
13976	`opt`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140126	20130419
13976	`opt`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20140126	20130419
13976	`opt`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20140126	20130419
13984	`opt`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20140126	20130419
13988	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
13996	`opt`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20140126	20130419
14000	`opt`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20140126	20130419
14000	`opt`	`gcc -march=nocona -O -fomit-frame-pointer`	20140126	20130419
14004	`opt`	`gcc -O -fomit-frame-pointer`	20140126	20130419
14020	`opt`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20140126	20130419
14024	`opt`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140126	20130419
14028	`opt`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20140126	20130419
14300	`opt`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20140126	20130419
14384	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140126	20130419
14416	`opt`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
14436	`opt`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
14472	`opt`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
14480	`opt`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20140126	20130419
14480	`opt`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20140126	20130419
14484	`opt`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140126	20130419
14484	`opt`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
14488	`opt`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
14492	`opt`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140126	20130419
14500	`opt`	`gcc -m64 -Os -fomit-frame-pointer`	20140126	20130419
14504	`opt`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140126	20130419
14504	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
14516	`opt`	`gcc -Os -fomit-frame-pointer`	20140126	20130419
14528	`opt`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
14532	`opt`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20140126	20130419
14532	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140126	20130419
14536	`opt`	`gcc -march=k8 -Os -fomit-frame-pointer`	20140126	20130419
14544	`opt`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20140126	20130419
14548	`opt`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20140126	20130419
14732	`opt`	`gcc -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
14744	`opt`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
14760	`opt`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
14792	`opt`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20140126	20130419
15464	`opt`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20140126	20130419
15492	`opt`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20140126	20130419
15500	`opt`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20140126	20130419
15512	`opt`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20140126	20130419
15576	`opt`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140126	20130419
15584	`opt`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140126	20130419
15596	`opt`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140126	20130419
15600	`opt`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20140126	20130419
15608	`opt`	`gcc -O3 -fomit-frame-pointer`	20140126	20130419
15616	`opt`	`gcc -m64 -O3 -fomit-frame-pointer`	20140126	20130419
16004	`opt`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
16048	`opt`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
16056	`opt`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
16080	`opt`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20140126	20130419
16500	`opt`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140126	20130419
16504	`opt`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20140126	20130419
16528	`opt`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140126	20130419
16596	`opt`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20140126	20130419
16596	`opt`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20140126	20130419
16604	`opt`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20140126	20130419
16628	`opt`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20140126	20130419
16700	`opt`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
16756	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
16760	`opt`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140126	20130419
16776	`opt`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
16788	`opt`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
16796	`opt`	`gcc -O2 -fomit-frame-pointer`	20140126	20130419
16796	`opt`	`gcc -m64 -O2 -fomit-frame-pointer`	20140126	20130419
16876	`opt`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
16888	`opt`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
16896	`opt`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
16900	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
16900	`opt`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
16908	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
16916	`opt`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20140126	20130419
16976	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
16988	`opt`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
16992	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
16992	`opt`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20140126	20130419
16992	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140126	20130419
16996	`opt`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
17012	`opt`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
17040	`opt`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20140126	20130419
17040	`opt`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
17076	`opt`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
17100	`opt`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20140126	20130419
49856	`opt`	`gcc -funroll-loops`	20140126	20130419
49900	`opt`	`cc`	20140126	20130419
49904	`opt`	`gcc`	20140126	20130419

Test failure

Implementation: crypto_hash/skein10241024/x64
Compiler: cc

error 111

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

Test failure

Implementation: crypto_hash/skein10241024/x64
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer

error 111
error 111

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

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 [-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/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 [-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