Implementation notes: amd64, bigmem, crypto_hash/skein10241024

Computer: bigmem
Architecture: amd64
CPU ID: GenuineIntel-000206e6-bfebfbff
SUPERCOP version: 20141124
Operation: crypto_hash
Primitive: skein10241024

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
12252	`x64`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20150215	20141124
12252	`x64`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20150215	20141124
12254	`x64`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20150215	20141124
12254	`x64`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20150215	20141124
12257	`x64`	`gcc -O2 -fomit-frame-pointer`	20150215	20141124
12257	`x64`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20150215	20141124
12257	`x64`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20150215	20141124
12257	`x64`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20150215	20141124
12257	`x64`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20150215	20141124
12257	`x64`	`gcc -march=nocona -O -fomit-frame-pointer`	20150215	20141124
12260	`x64`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20150215	20141124
12262	`x64`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20150215	20141124
12277	`x64`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20150215	20141124
12277	`x64`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20150215	20141124
12280	`x64`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20150215	20141124
12282	`x64`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20150215	20141124
12285	`x64`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20150215	20141124
12291	`x64`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20150215	20141124
12291	`x64`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20150215	20141124
12291	`x64`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20150215	20141124
12291	`x64`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20150215	20141124
12291	`x64`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20150215	20141124
12291	`x64`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20150215	20141124
12291	`x64`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20150215	20141124
12291	`x64`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -funroll-loops -O -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -m64 -O3 -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -m64 -O -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20150215	20141124
12294	`x64`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20150215	20141124
12296	`x64`	`gcc -O -fomit-frame-pointer`	20150215	20141124
12297	`x64`	`gcc -O3 -fomit-frame-pointer`	20150215	20141124
12297	`x64`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20150215	20141124
12297	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20150215	20141124
12297	`x64`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20150215	20141124
12297	`x64`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20150215	20141124
12297	`x64`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20150215	20141124
12297	`x64`	`gcc -m64 -O2 -fomit-frame-pointer`	20150215	20141124
12297	`x64`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20150215	20141124
12297	`x64`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20150215	20141124
12297	`x64`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20150215	20141124
12299	`x64`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20150215	20141124
12299	`x64`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20150215	20141124
12300	`x64`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20150215	20141124
12300	`x64`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20150215	20141124
12302	`x64`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20150215	20141124
12302	`x64`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20150215	20141124
12302	`x64`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20150215	20141124
12316	`x64`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20150215	20141124
12320	`x64`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20150215	20141124
12328	`x64`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20150215	20141124
12331	`x64`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20150215	20141124
12331	`x64`	`gcc -march=barcelona -O -fomit-frame-pointer`	20150215	20141124
12331	`x64`	`gcc -march=k8 -O -fomit-frame-pointer`	20150215	20141124
12333	`x64`	`cc`	20150215	20141124
12333	`x64`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20150215	20141124
12336	`x64`	`gcc`	20150215	20141124
12345	`x64`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20150215	20141124
12347	`x64`	`gcc -funroll-loops`	20150215	20141124
12577	`x64`	`gcc -march=nocona -Os -fomit-frame-pointer`	20150215	20141124
12591	`x64`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20150215	20141124
12592	`x64`	`gcc -m64 -Os -fomit-frame-pointer`	20150215	20141124
12592	`x64`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20150215	20141124
12592	`x64`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20150215	20141124
12592	`x64`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20150215	20141124
12592	`x64`	`gcc -march=k8 -Os -fomit-frame-pointer`	20150215	20141124
12594	`x64`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20150215	20141124
12597	`x64`	`gcc -Os -fomit-frame-pointer`	20150215	20141124
12597	`x64`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20150215	20141124
12609	`x64`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20150215	20141124
12614	`x64`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20150215	20141124
12614	`x64`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20150215	20141124
12623	`x64`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20150215	20141124
12626	`x64`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20150215	20141124
12634	`x64`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20150215	20141124
12634	`x64`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20150215	20141124
12634	`x64`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20150215	20141124
12634	`x64`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20150215	20141124
12634	`x64`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20150215	20141124
12634	`x64`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20150215	20141124
12637	`x64`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20150215	20141124
13106	`x64`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20150215	20141124
15164	`opt`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20150215	20141124
15164	`opt`	`gcc -march=barcelona -O -fomit-frame-pointer`	20150215	20141124
15169	`opt`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20150215	20141124
15184	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20150215	20141124
15184	`opt`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20150215	20141124
15187	`opt`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20150215	20141124
15297	`opt`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20150215	20141124
15303	`opt`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20150215	20141124
15303	`opt`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20150215	20141124
15303	`opt`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20150215	20141124
15303	`opt`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20150215	20141124
15306	`opt`	`gcc -march=k8 -O -fomit-frame-pointer`	20150215	20141124
15317	`opt`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20150215	20141124
15328	`opt`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20150215	20141124
15348	`opt`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20150215	20141124
15436	`opt`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20150215	20141124
15436	`opt`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20150215	20141124
15436	`opt`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20150215	20141124
15436	`opt`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20150215	20141124
15436	`opt`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20150215	20141124
15447	`opt`	`gcc -O -fomit-frame-pointer`	20150215	20141124
15453	`opt`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20150215	20141124
15461	`opt`	`gcc -m64 -O -fomit-frame-pointer`	20150215	20141124
15481	`opt`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20150215	20141124
15481	`opt`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20150215	20141124
15544	`opt`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20150215	20141124
15547	`opt`	`gcc -march=nocona -O -fomit-frame-pointer`	20150215	20141124
15569	`opt`	`gcc -funroll-loops -O -fomit-frame-pointer`	20150215	20141124
15580	`opt`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20150215	20141124
15595	`opt`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20150215	20141124
15600	`opt`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20150215	20141124
15612	`opt`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20150215	20141124
15612	`opt`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20150215	20141124
15614	`opt`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20150215	20141124
15614	`opt`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20150215	20141124
15694	`opt`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20150215	20141124
15699	`opt`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20150215	20141124
15699	`opt`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20150215	20141124
15699	`opt`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20150215	20141124
15728	`opt`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20150215	20141124
15731	`opt`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20150215	20141124
15853	`opt`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20150215	20141124
15853	`opt`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20150215	20141124
15855	`opt`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20150215	20141124
15855	`opt`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20150215	20141124
15855	`opt`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20150215	20141124
15855	`opt`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20150215	20141124
15884	`opt`	`gcc -Os -fomit-frame-pointer`	20150215	20141124
15884	`opt`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20150215	20141124
15884	`opt`	`gcc -m64 -Os -fomit-frame-pointer`	20150215	20141124
15884	`opt`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20150215	20141124
15884	`opt`	`gcc -march=k8 -Os -fomit-frame-pointer`	20150215	20141124
15906	`opt`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20150215	20141124
15907	`opt`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20150215	20141124
15909	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20150215	20141124
15909	`opt`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20150215	20141124
15923	`opt`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20150215	20141124
15932	`opt`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20150215	20141124
16048	`opt`	`gcc -O2 -fomit-frame-pointer`	20150215	20141124
16057	`opt`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20150215	20141124
16059	`opt`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20150215	20141124
16059	`opt`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20150215	20141124
16059	`opt`	`gcc -march=nocona -Os -fomit-frame-pointer`	20150215	20141124
16065	`opt`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20150215	20141124
16077	`opt`	`gcc -m64 -O2 -fomit-frame-pointer`	20150215	20141124
16376	`opt`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20150215	20141124
16499	`opt`	`gcc -O3 -fomit-frame-pointer`	20150215	20141124
16499	`opt`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20150215	20141124
16499	`opt`	`gcc -m64 -O3 -fomit-frame-pointer`	20150215	20141124
16722	`opt`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20150215	20141124
16722	`opt`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20150215	20141124
16745	`opt`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20150215	20141124
16745	`opt`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20150215	20141124
16751	`opt`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20150215	20141124
16753	`opt`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20150215	20141124
16844	`opt`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20150215	20141124
16850	`opt`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20150215	20141124
16855	`opt`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20150215	20141124
16858	`opt`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20150215	20141124
16858	`opt`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20150215	20141124
16858	`opt`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20150215	20141124
17079	`opt`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20150215	20141124
17079	`opt`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20150215	20141124
17082	`opt`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20150215	20141124
17164	`opt`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20150215	20141124
17167	`opt`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20150215	20141124
17198	`opt`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20150215	20141124
17204	`opt`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20150215	20141124
61693	`opt`	`gcc -funroll-loops`	20150215	20141124
61696	`opt`	`cc`	20150215	20141124
61721	`opt`	`gcc`	20150215	20141124

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