Implementation notes: x86, h5e450, crypto_hash/skein256256

Computer: h5e450
Architecture: x86
CPU ID: AuthenticAMD-00500f20-178bfbff
SUPERCOP version: 20130419
Operation: crypto_hash
Primitive: skein256256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
101280	`opt`	`gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer`	20120802	20120717
101370	`opt`	`gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer`	20120802	20120717
101373	`opt`	`gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer`	20120802	20120717
101424	`opt`	`gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer`	20120802	20120717
101430	`opt`	`gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer`	20120802	20120717
101481	`opt`	`gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer`	20120802	20120717
104040	`opt`	`gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer`	20120802	20120717
104106	`opt`	`gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer`	20120802	20120717
104118	`opt`	`gcc -m32 -march=i486 -O2 -fomit-frame-pointer`	20120802	20120717
104118	`opt`	`gcc -m32 -march=i486 -O3 -fomit-frame-pointer`	20120802	20120717
104181	`opt`	`gcc -m32 -march=i386 -O2 -fomit-frame-pointer`	20120802	20120717
104181	`opt`	`gcc -m32 -march=i386 -O3 -fomit-frame-pointer`	20120802	20120717
107826	`opt`	`gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer`	20120802	20120717
107832	`opt`	`gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer`	20120802	20120717
108165	`opt`	`gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer`	20120802	20120717
108201	`opt`	`gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer`	20120802	20120717
110715	`opt`	`gcc -m32 -march=pentium -O3 -fomit-frame-pointer`	20120802	20120717
110718	`opt`	`gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer`	20120802	20120717
110736	`opt`	`gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer`	20120802	20120717
110781	`opt`	`gcc -m32 -march=pentium -O2 -fomit-frame-pointer`	20120802	20120717
111498	`opt`	`gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer`	20120802	20120717
111510	`opt`	`gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer`	20120802	20120717
111528	`opt`	`gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer`	20120802	20120717
111807	`opt`	`gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer`	20120802	20120717
111894	`opt`	`gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer`	20120802	20120717
111909	`opt`	`gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer`	20120802	20120717
115020	`opt`	`gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer`	20120802	20120717
115020	`opt`	`gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer`	20120802	20120717
115020	`opt`	`gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer`	20120802	20120717
115047	`opt`	`gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer`	20120802	20120717
115047	`opt`	`gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer`	20120802	20120717
115662	`opt`	`gcc -m32 -march=k6 -O2 -fomit-frame-pointer`	20120802	20120717
115794	`opt`	`gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer`	20120802	20120717
115806	`opt`	`gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer`	20120802	20120717
116139	`opt`	`gcc -m32 -march=nocona -Os -fomit-frame-pointer`	20120802	20120717
116139	`opt`	`gcc -m32 -march=pentium4 -Os -fomit-frame-pointer`	20120802	20120717
116139	`opt`	`gcc -m32 -march=prescott -Os -fomit-frame-pointer`	20120802	20120717
116241	`opt`	`gcc -m32 -march=k6 -O3 -fomit-frame-pointer`	20120802	20120717
116322	`opt`	`gcc -m32 -march=i386 -Os -fomit-frame-pointer`	20120802	20120717
116322	`opt`	`gcc -m32 -march=i486 -Os -fomit-frame-pointer`	20120802	20120717
116322	`opt`	`gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer`	20120802	20120717
116328	`opt`	`gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer`	20120802	20120717
116649	`opt`	`gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer`	20120802	20120717
116949	`opt`	`gcc -m32 -march=nocona -O2 -fomit-frame-pointer`	20120802	20120717
116961	`opt`	`gcc -m32 -march=prescott -O2 -fomit-frame-pointer`	20120802	20120717
116967	`opt`	`gcc -m32 -march=nocona -O3 -fomit-frame-pointer`	20120802	20120717
116970	`opt`	`gcc -m32 -march=prescott -O3 -fomit-frame-pointer`	20120802	20120717
117291	`opt`	`gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer`	20120802	20120717
117342	`opt`	`gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer`	20120802	20120717
117372	`opt`	`gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer`	20120802	20120717
118413	`opt`	`gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20120802	20120717
118533	`opt`	`gcc -m32 -march=core2 -O2 -fomit-frame-pointer`	20120802	20120717
118641	`opt`	`gcc -m32 -march=corei7 -O2 -fomit-frame-pointer`	20120802	20120717
118644	`opt`	`gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20120802	20120717
118815	`opt`	`gcc -m32 -march=core2 -O3 -fomit-frame-pointer`	20120802	20120717
119079	`opt`	`gcc -m32 -march=pentium-m -Os -fomit-frame-pointer`	20120802	20120717
119316	`opt`	`gcc -m32 -march=pentium2 -Os -fomit-frame-pointer`	20120802	20120717
119364	`opt`	`gcc -m32 -march=pentium3 -Os -fomit-frame-pointer`	20120802	20120717
119364	`opt`	`gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer`	20120802	20120717
119580	`opt`	`gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer`	20120802	20120717
119586	`opt`	`gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer`	20120802	20120717
119592	`opt`	`gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer`	20120802	20120717
119721	`opt`	`gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer`	20120802	20120717
119724	`opt`	`gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer`	20120802	20120717
119727	`opt`	`gcc -funroll-loops -m32 -O -fomit-frame-pointer`	20120802	20120717
120240	`opt`	`gcc -m32 -march=barcelona -O -fomit-frame-pointer`	20120802	20120717
120252	`opt`	`gcc -m32 -march=athlon -O -fomit-frame-pointer`	20120802	20120717
120252	`opt`	`gcc -m32 -march=k8 -O -fomit-frame-pointer`	20120802	20120717
120312	`opt`	`gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer`	20120802	20120717
120408	`opt`	`gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer`	20120802	20120717
120414	`opt`	`gcc -m32 -march=prescott -O -fomit-frame-pointer`	20120802	20120717
120426	`opt`	`gcc -m32 -march=corei7 -O -fomit-frame-pointer`	20120802	20120717
120429	`opt`	`gcc -m32 -march=nocona -O -fomit-frame-pointer`	20120802	20120717
120435	`opt`	`gcc -m32 -O -fomit-frame-pointer`	20120802	20120717
120450	`opt`	`gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20120802	20120717
120525	`opt`	`gcc -m32 -march=core2 -O -fomit-frame-pointer`	20120802	20120717
120687	`opt`	`gcc -m32 -march=core2 -Os -fomit-frame-pointer`	20120802	20120717
120687	`opt`	`gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20120802	20120717
120837	`opt`	`gcc -m32 -march=pentium2 -O -fomit-frame-pointer`	20120802	20120717
120837	`opt`	`gcc -m32 -march=pentiumpro -O -fomit-frame-pointer`	20120802	20120717
120852	`opt`	`gcc -m32 -march=pentium3 -O -fomit-frame-pointer`	20120802	20120717
120879	`opt`	`gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer`	20120802	20120717
120879	`opt`	`gcc -m32 -march=corei7 -Os -fomit-frame-pointer`	20120802	20120717
120909	`opt`	`gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer`	20120802	20120717
120912	`opt`	`gcc -m32 -march=pentium-m -O -fomit-frame-pointer`	20120802	20120717
120963	`opt`	`gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer`	20120802	20120717
120963	`opt`	`gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer`	20120802	20120717
120981	`opt`	`gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer`	20120802	20120717
120981	`opt`	`gcc -m32 -march=k6-2 -O -fomit-frame-pointer`	20120802	20120717
120981	`opt`	`gcc -m32 -march=k6-3 -O -fomit-frame-pointer`	20120802	20120717
120981	`opt`	`gcc -m32 -march=k6 -O -fomit-frame-pointer`	20120802	20120717
121029	`opt`	`gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer`	20120802	20120717
121029	`opt`	`gcc -m32 -march=pentium4 -O -fomit-frame-pointer`	20120802	20120717
121035	`opt`	`gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer`	20120802	20120717
121128	`opt`	`gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer`	20120802	20120717
121137	`opt`	`gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer`	20120802	20120717
121137	`opt`	`gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer`	20120802	20120717
121140	`opt`	`gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer`	20120802	20120717
121146	`opt`	`gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer`	20120802	20120717
121152	`opt`	`gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer`	20120802	20120717
121167	`opt`	`gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer`	20120802	20120717
121323	`opt`	`gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer`	20120802	20120717
121323	`opt`	`gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer`	20120802	20120717
121323	`opt`	`gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer`	20120802	20120717
121383	`opt`	`gcc -funroll-loops -m32 -Os -fomit-frame-pointer`	20120802	20120717
121410	`opt`	`gcc -m32 -O2 -fomit-frame-pointer`	20120802	20120717
121917	`opt`	`gcc -m32 -O3 -fomit-frame-pointer`	20120802	20120717
122259	`opt`	`gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer`	20120802	20120717
122265	`opt`	`gcc -m32 -march=i486 -O -fomit-frame-pointer`	20120802	20120717
122268	`opt`	`gcc -m32 -march=pentium -O -fomit-frame-pointer`	20120802	20120717
122520	`opt`	`gcc -m32 -march=i386 -O -fomit-frame-pointer`	20120802	20120717
122658	`opt`	`gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer`	20120802	20120717
122667	`opt`	`gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer`	20120802	20120717
122700	`opt`	`gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer`	20120802	20120717
122724	`opt`	`gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer`	20120802	20120717
122904	`opt`	`gcc -m32 -march=barcelona -O2 -fomit-frame-pointer`	20120802	20120717
122973	`opt`	`gcc -m32 -march=k6-2 -Os -fomit-frame-pointer`	20120802	20120717
122973	`opt`	`gcc -m32 -march=k6-3 -Os -fomit-frame-pointer`	20120802	20120717
122985	`opt`	`gcc -m32 -march=athlon -O3 -fomit-frame-pointer`	20120802	20120717
123048	`opt`	`gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer`	20120802	20120717
123090	`opt`	`gcc -m32 -march=athlon -O2 -fomit-frame-pointer`	20120802	20120717
123174	`opt`	`gcc -m32 -march=k8 -O3 -fomit-frame-pointer`	20120802	20120717
123183	`opt`	`gcc -m32 -march=barcelona -O3 -fomit-frame-pointer`	20120802	20120717
123207	`opt`	`gcc -m32 -march=k8 -O2 -fomit-frame-pointer`	20120802	20120717
123243	`opt`	`gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer`	20120802	20120717
123393	`opt`	`gcc -m32 -march=k6 -Os -fomit-frame-pointer`	20120802	20120717
123600	`opt`	`gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer`	20120802	20120717
123693	`opt`	`gcc -m32 -march=k8 -Os -fomit-frame-pointer`	20120802	20120717
123699	`opt`	`gcc -funroll-loops -m32 -O3 -fomit-frame-pointer`	20120802	20120717
123756	`opt`	`gcc -funroll-loops -m32 -O2 -fomit-frame-pointer`	20120802	20120717
124518	`opt`	`gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer`	20120802	20120717
124527	`opt`	`gcc -m32 -march=barcelona -Os -fomit-frame-pointer`	20120802	20120717
124863	`opt`	`gcc -m32 -march=athlon -Os -fomit-frame-pointer`	20120802	20120717
124956	`opt`	`gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer`	20120802	20120717
124956	`opt`	`gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer`	20120802	20120717
125106	`opt`	`gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer`	20120802	20120717
125106	`opt`	`gcc -m32 -march=pentium -Os -fomit-frame-pointer`	20120802	20120717
125835	`opt`	`gcc -m32 -Os -fomit-frame-pointer`	20120802	20120717
126027	`opt`	`gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer`	20120802	20120717
126453	`opt`	`gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer`	20120802	20120717
126453	`opt`	`gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer`	20120802	20120717
126465	`opt`	`gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer`	20120802	20120717
126489	`opt`	`gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer`	20120802	20120717
126501	`opt`	`gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer`	20120802	20120717
126528	`opt`	`gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer`	20120802	20120717
126726	`opt`	`gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer`	20120802	20120717
126834	`opt`	`gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer`	20120802	20120717
127005	`opt`	`gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer`	20120802	20120717
127287	`opt`	`gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer`	20120802	20120717
137475	`opt`	`gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer`	20120802	20120717
137478	`opt`	`gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer`	20120802	20120717
137481	`opt`	`gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer`	20120802	20120717
137592	`opt`	`gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer`	20120802	20120717
137802	`opt`	`gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer`	20120802	20120717
138645	`opt`	`gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer`	20120802	20120717
139065	`opt`	`gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer`	20120802	20120717
139236	`opt`	`gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer`	20120802	20120717
141150	`opt`	`gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer`	20120802	20120717
141174	`opt`	`gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer`	20120802	20120717
141180	`opt`	`gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer`	20120802	20120717
141516	`opt`	`gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer`	20120802	20120717

Checksum failure

Implementation: crypto_hash/skein256256/xmm
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer

436b378ebe26b855c0160cfe6c7ede0724572ea871c718bf15512880435a351e

Number of similar (compiler,implementation) pairs: 161, namely:

Compiler	Implementations
gcc -funroll-loops -m32 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer	xmm
gcc -m32 -O2 -fomit-frame-pointer	xmm
gcc -m32 -O3 -fomit-frame-pointer	xmm
gcc -m32 -O -fomit-frame-pointer	xmm
gcc -m32 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=athlon -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=athlon -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=athlon -O -fomit-frame-pointer	xmm
gcc -m32 -march=athlon -Os -fomit-frame-pointer	xmm
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -O -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer	xmm
gcc -m32 -march=corei7 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=corei7 -O -fomit-frame-pointer	xmm
gcc -m32 -march=corei7 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=i386 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=i386 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=i386 -O -fomit-frame-pointer	xmm
gcc -m32 -march=i386 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=i486 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=i486 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=i486 -O -fomit-frame-pointer	xmm
gcc -m32 -march=i486 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=k6-2 -O -fomit-frame-pointer	xmm
gcc -m32 -march=k6-2 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=k6-3 -O -fomit-frame-pointer	xmm
gcc -m32 -march=k6-3 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=k6 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=k6 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=k6 -O -fomit-frame-pointer	xmm
gcc -m32 -march=k6 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=k8 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=k8 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=k8 -O -fomit-frame-pointer	xmm
gcc -m32 -march=k8 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer	xmm
gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer	xmm
gcc -m32 -march=nocona -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=nocona -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=nocona -O -fomit-frame-pointer	xmm
gcc -m32 -march=nocona -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-m -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-m -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium2 -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium2 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium3 -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium4 -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium4 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentiumpro -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer	xmm
gcc -m32 -march=prescott -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=prescott -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=prescott -O -fomit-frame-pointer	xmm
gcc -m32 -march=prescott -Os -fomit-frame-pointer	xmm

Checksum failure

Implementation: crypto_hash/skein256256/xmm
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer

436b378ebe26b855c0160cfe6c7ede0724572ea871c718bf15512880435a351e 436b378ebe26b855c0160cfe6c7ede0724572ea871c718bf15512880435a351e

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -m32 -march=barcelona -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=barcelona -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=barcelona -O -fomit-frame-pointer	xmm
gcc -m32 -march=barcelona -Os -fomit-frame-pointer	xmm

Test failure

Implementation: crypto_hash/skein256256/opt
Compiler: gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer

error 111

Number of similar (compiler,implementation) pairs: 8, namely:

Compiler	Implementations
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer	opt
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer	opt
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer	opt xmm
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer	opt
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer	opt
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer	opt xmm

Compiler output

Implementation: crypto_hash/skein256256/xmm
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer

skein_block_xmm32.S: skein_block_xmm32.S:297:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]

Number of similar (compiler,implementation) pairs: 163, namely:

Compiler	Implementations
gcc -funroll-loops -m32 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer	xmm
gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer	xmm
gcc -m32 -O2 -fomit-frame-pointer	xmm
gcc -m32 -O3 -fomit-frame-pointer	xmm
gcc -m32 -O -fomit-frame-pointer	xmm
gcc -m32 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=athlon -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=athlon -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=athlon -O -fomit-frame-pointer	xmm
gcc -m32 -march=athlon -Os -fomit-frame-pointer	xmm
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer	xmm
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -O -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer	xmm
gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer	xmm
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer	xmm
gcc -m32 -march=corei7 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=corei7 -O -fomit-frame-pointer	xmm
gcc -m32 -march=corei7 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=i386 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=i386 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=i386 -O -fomit-frame-pointer	xmm
gcc -m32 -march=i386 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=i486 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=i486 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=i486 -O -fomit-frame-pointer	xmm
gcc -m32 -march=i486 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=k6-2 -O -fomit-frame-pointer	xmm
gcc -m32 -march=k6-2 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=k6-3 -O -fomit-frame-pointer	xmm
gcc -m32 -march=k6-3 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=k6 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=k6 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=k6 -O -fomit-frame-pointer	xmm
gcc -m32 -march=k6 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=k8 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=k8 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=k8 -O -fomit-frame-pointer	xmm
gcc -m32 -march=k8 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer	xmm
gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer	xmm
gcc -m32 -march=nocona -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=nocona -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=nocona -O -fomit-frame-pointer	xmm
gcc -m32 -march=nocona -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-m -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-m -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium2 -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium2 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium3 -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium4 -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium4 -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentium -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentium -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentium -Os -fomit-frame-pointer	xmm
gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=pentiumpro -O -fomit-frame-pointer	xmm
gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer	xmm
gcc -m32 -march=prescott -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=prescott -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=prescott -O -fomit-frame-pointer	xmm
gcc -m32 -march=prescott -Os -fomit-frame-pointer	xmm

Compiler output

Implementation: crypto_hash/skein256256/xmm
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer

skein_block_xmm32.S: skein_block_xmm32.S:297:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
skein_block_xmm32.S: skein_block_xmm32.S:297:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -m32 -march=barcelona -O2 -fomit-frame-pointer	xmm
gcc -m32 -march=barcelona -O3 -fomit-frame-pointer	xmm
gcc -m32 -march=barcelona -O -fomit-frame-pointer	xmm
gcc -m32 -march=barcelona -Os -fomit-frame-pointer	xmm