Implementation notes: x86, h2atom, crypto_scalarmult/nistp256

Computer: h2atom
Architecture: x86
CPU ID: GenuineIntel-000106ca-bfe9fbff
SUPERCOP version: 20161009
Operation: crypto_scalarmult
Primitive: nistp256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
17143510	`mj32`	`gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer`	20161209	20161009
17187360	`mj32`	`gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer`	20161209	20161009
17208710	`mj32`	`gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer`	20161209	20161009
17210920	`mj32`	`gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer`	20161209	20161009
17365540	`mj32`	`gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer`	20161209	20161009
17366780	`mj32`	`gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer`	20161209	20161009
17371750	`mj32`	`gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer`	20161209	20161009
17385140	`mj32`	`gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer`	20161209	20161009
17412050	`mj32`	`gcc -funroll-loops -m32 -O2 -fomit-frame-pointer`	20161209	20161009
17466240	`mj32`	`gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer`	20161209	20161009
17466410	`mj32`	`gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer`	20161209	20161009
17466810	`mj32`	`gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer`	20161209	20161009
17467220	`mj32`	`gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer`	20161209	20161009
17722170	`mj32`	`gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer`	20161209	20161009
17907760	`mj32`	`gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer`	20161209	20161009
18021100	`mj32`	`gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer`	20161209	20161009
18022410	`mj32`	`gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer`	20161209	20161009
18157270	`mj32`	`gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer`	20161209	20161009
18157280	`mj32`	`gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer`	20161209	20161009
18257830	`mj32`	`gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer`	20161209	20161009
18267720	`mj32`	`gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer`	20161209	20161009
18268390	`mj32`	`gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer`	20161209	20161009
18299350	`mj32`	`gcc -m32 -march=core2 -O3 -fomit-frame-pointer`	20161209	20161009
18332060	`mj32`	`gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer`	20161209	20161009
18332090	`mj32`	`gcc -m32 -march=pentium -O3 -fomit-frame-pointer`	20161209	20161009
18394060	`mj32`	`gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer`	20161209	20161009
18404640	`mj32`	`gcc -funroll-loops -m32 -O3 -fomit-frame-pointer`	20161209	20161009
18458120	`mj32`	`gcc -m32 -march=athlon -O3 -fomit-frame-pointer`	20161209	20161009
18527170	`mj32`	`gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer`	20161209	20161009
18527370	`mj32`	`gcc -m32 -O3 -fomit-frame-pointer`	20161209	20161009
18548370	`mj32`	`gcc -m32 -march=k8 -O3 -fomit-frame-pointer`	20161209	20161009
18601710	`mj32`	`gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer`	20161209	20161009
18613170	`mj32`	`gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer`	20161209	20161009
18616480	`mj32`	`gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer`	20161209	20161009
18670310	`mj32`	`gcc -m32 -march=barcelona -O3 -fomit-frame-pointer`	20161209	20161009
18709870	`mj32`	`gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer`	20161209	20161009
18832960	`mj32`	`gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer`	20161209	20161009
18837900	`mj32`	`gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer`	20161209	20161009
18842790	`mj32`	`gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer`	20161209	20161009
18874770	`mj32`	`gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer`	20161209	20161009
18931230	`mj32`	`gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer`	20161209	20161009
18942180	`mj32`	`gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer`	20161209	20161009
18944840	`mj32`	`gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer`	20161209	20161009
18946190	`mj32`	`gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer`	20161209	20161009
18994970	`mj32`	`gcc -m32 -march=prescott -O3 -fomit-frame-pointer`	20161209	20161009
18997860	`mj32`	`gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer`	20161209	20161009
18997870	`mj32`	`gcc -m32 -march=k6 -O3 -fomit-frame-pointer`	20161209	20161009
18998090	`mj32`	`gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer`	20161209	20161009
19026450	`mj32`	`gcc -m32 -march=nocona -O3 -fomit-frame-pointer`	20161209	20161009
19044090	`mj32`	`gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer`	20161209	20161009
19116930	`mj32`	`gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer`	20161209	20161009
19123110	`mj32`	`gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer`	20161209	20161009
19331680	`mj32`	`gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer`	20161209	20161009
19333300	`mj32`	`gcc -m32 -march=i386 -O3 -fomit-frame-pointer`	20161209	20161009
19386750	`mj32`	`gcc -m32 -march=i486 -O3 -fomit-frame-pointer`	20161209	20161009
19387040	`mj32`	`gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer`	20161209	20161009
24015960	`mj32`	`gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer`	20161209	20161009
24719700	`mj32`	`gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer`	20161209	20161009
24766580	`mj32`	`gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer`	20161209	20161009
24770600	`mj32`	`gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer`	20161209	20161009
24782370	`mj32`	`gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer`	20161209	20161009
24783590	`mj32`	`gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer`	20161209	20161009
24790650	`mj32`	`gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer`	20161209	20161009
24800470	`mj32`	`gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer`	20161209	20161009
25091800	`mj32`	`gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer`	20161209	20161009
25113540	`mj32`	`gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer`	20161209	20161009
25117510	`mj32`	`gcc -funroll-loops -m32 -O -fomit-frame-pointer`	20161209	20161009
25119960	`mj32`	`gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer`	20161209	20161009
25135450	`mj32`	`gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer`	20161209	20161009
25139620	`mj32`	`gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer`	20161209	20161009
25228220	`mj32`	`gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer`	20161209	20161009
25232490	`mj32`	`gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer`	20161209	20161009
25251310	`mj32`	`gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer`	20161209	20161009
25487300	`mj32`	`gcc -m32 -march=athlon -O2 -fomit-frame-pointer`	20161209	20161009
25673150	`mj32`	`gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer`	20161209	20161009
25674010	`mj32`	`gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer`	20161209	20161009
25733870	`mj32`	`gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer`	20161209	20161009
25733910	`mj32`	`gcc -m32 -march=pentium -O2 -fomit-frame-pointer`	20161209	20161009
25790810	`mj32`	`gcc -m32 -march=k8 -O2 -fomit-frame-pointer`	20161209	20161009
25843870	`mj32`	`gcc -m32 -march=barcelona -O2 -fomit-frame-pointer`	20161209	20161009
25896960	`mj32`	`gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer`	20161209	20161009
25905950	`mj32`	`gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer`	20161209	20161009
25915760	`mj32`	`gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer`	20161209	20161009
25917340	`mj32`	`gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer`	20161209	20161009
26023370	`mj32`	`gcc -m32 -O2 -fomit-frame-pointer`	20161209	20161009
26128620	`mj32`	`gcc -m32 -march=core2 -O2 -fomit-frame-pointer`	20161209	20161009
26133170	`mj32`	`gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20161209	20161009
26151810	`mj32`	`gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20161209	20161009
26285990	`mj32`	`gcc -m32 -march=corei7 -O2 -fomit-frame-pointer`	20161209	20161009
26459910	`mj32`	`gcc -m32 -march=prescott -O2 -fomit-frame-pointer`	20161209	20161009
26460620	`mj32`	`gcc -m32 -march=nocona -O2 -fomit-frame-pointer`	20161209	20161009
26479850	`mj32`	`gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer`	20161209	20161009
26592910	`mj32`	`gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer`	20161209	20161009
26752080	`mj32`	`gcc -m32 -Os -fomit-frame-pointer`	20161209	20161009
26752380	`mj32`	`gcc -m32 -march=athlon -Os -fomit-frame-pointer`	20161209	20161009
26780300	`mj32`	`gcc -m32 -march=barcelona -Os -fomit-frame-pointer`	20161209	20161009
26781210	`mj32`	`gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer`	20161209	20161009
26783590	`mj32`	`gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer`	20161209	20161009
26791660	`mj32`	`gcc -m32 -march=k8 -Os -fomit-frame-pointer`	20161209	20161009
26822390	`mj32`	`gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer`	20161209	20161009
26822580	`mj32`	`gcc -m32 -march=pentium -Os -fomit-frame-pointer`	20161209	20161009
26848590	`mj32`	`gcc -funroll-loops -m32 -Os -fomit-frame-pointer`	20161209	20161009
26861220	`mj32`	`gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer`	20161209	20161009
26905530	`mj32`	`gcc -m32 -march=i386 -O2 -fomit-frame-pointer`	20161209	20161009
26946900	`mj32`	`gcc -m32 -march=core2 -Os -fomit-frame-pointer`	20161209	20161009
26947440	`mj32`	`gcc -m32 -march=corei7 -Os -fomit-frame-pointer`	20161209	20161009
26947680	`mj32`	`gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer`	20161209	20161009
26949250	`mj32`	`gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20161209	20161009
26980560	`mj32`	`gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer`	20161209	20161009
26981000	`mj32`	`gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer`	20161209	20161009
26982340	`mj32`	`gcc -m32 -march=pentium2 -Os -fomit-frame-pointer`	20161209	20161009
26982430	`mj32`	`gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer`	20161209	20161009
26983090	`mj32`	`gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer`	20161209	20161009
26993890	`mj32`	`gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer`	20161209	20161009
27016550	`mj32`	`gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer`	20161209	20161009
27017200	`mj32`	`gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer`	20161209	20161009
27017950	`mj32`	`gcc -m32 -march=k6 -O2 -fomit-frame-pointer`	20161209	20161009
27024370	`mj32`	`gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer`	20161209	20161009
27036280	`mj32`	`gcc -m32 -march=pentium-m -Os -fomit-frame-pointer`	20161209	20161009
27037280	`mj32`	`gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer`	20161209	20161009
27037650	`mj32`	`gcc -m32 -march=pentium3 -Os -fomit-frame-pointer`	20161209	20161009
27086230	`mj32`	`gcc -m32 -march=i486 -O2 -fomit-frame-pointer`	20161209	20161009
27979690	`mj32`	`gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer`	20161209	20161009
27980250	`mj32`	`gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer`	20161209	20161009
27982470	`mj32`	`gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer`	20161209	20161009
27984550	`mj32`	`gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer`	20161209	20161009
27986610	`mj32`	`gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer`	20161209	20161009
27988430	`mj32`	`gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer`	20161209	20161009
27990650	`mj32`	`gcc -m32 -march=prescott -Os -fomit-frame-pointer`	20161209	20161009
27991460	`mj32`	`gcc -m32 -march=pentium4 -Os -fomit-frame-pointer`	20161209	20161009
27992510	`mj32`	`gcc -m32 -march=nocona -Os -fomit-frame-pointer`	20161209	20161009
28265280	`mj32`	`gcc -m32 -march=i386 -Os -fomit-frame-pointer`	20161209	20161009
28266040	`mj32`	`gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer`	20161209	20161009
28267090	`mj32`	`gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer`	20161209	20161009
28269550	`mj32`	`gcc -m32 -march=i486 -Os -fomit-frame-pointer`	20161209	20161009
28351110	`mj32`	`gcc -m32 -march=k6-3 -Os -fomit-frame-pointer`	20161209	20161009
28352360	`mj32`	`gcc -m32 -march=k6 -Os -fomit-frame-pointer`	20161209	20161009
28387770	`mj32`	`gcc -m32 -march=k6-2 -Os -fomit-frame-pointer`	20161209	20161009
37216780	`mj32`	`gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer`	20161209	20161009
37790860	`mj32`	`gcc -m32 -march=athlon -O -fomit-frame-pointer`	20161209	20161009
37835590	`mj32`	`gcc -m32 -march=pentium4 -O -fomit-frame-pointer`	20161209	20161009
38022810	`mj32`	`gcc -m32 -march=prescott -O -fomit-frame-pointer`	20161209	20161009
38025330	`mj32`	`gcc -m32 -march=nocona -O -fomit-frame-pointer`	20161209	20161009
38184700	`mj32`	`gcc -m32 -march=pentium -O -fomit-frame-pointer`	20161209	20161009
38191450	`mj32`	`gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer`	20161209	20161009
38241380	`mj32`	`gcc -m32 -march=pentium-m -O -fomit-frame-pointer`	20161209	20161009
38241690	`mj32`	`gcc -m32 -march=pentium2 -O -fomit-frame-pointer`	20161209	20161009
38242010	`mj32`	`gcc -m32 -march=pentium3 -O -fomit-frame-pointer`	20161209	20161009
38242540	`mj32`	`gcc -m32 -march=pentiumpro -O -fomit-frame-pointer`	20161209	20161009
38362140	`mj32`	`gcc -m32 -march=i386 -O -fomit-frame-pointer`	20161209	20161009
38411240	`mj32`	`gcc -m32 -march=core2 -O -fomit-frame-pointer`	20161209	20161009
38413700	`mj32`	`gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20161209	20161009
38427620	`mj32`	`gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer`	20161209	20161009
38449770	`mj32`	`gcc -m32 -march=k8 -O -fomit-frame-pointer`	20161209	20161009
38629340	`mj32`	`gcc -m32 -march=k6-3 -O -fomit-frame-pointer`	20161209	20161009
38629910	`mj32`	`gcc -m32 -march=k6-2 -O -fomit-frame-pointer`	20161209	20161009
38638960	`mj32`	`gcc -m32 -march=k6 -O -fomit-frame-pointer`	20161209	20161009
38848600	`mj32`	`gcc -m32 -O -fomit-frame-pointer`	20161209	20161009
39065650	`mj32`	`gcc -m32 -march=i486 -O -fomit-frame-pointer`	20161209	20161009
39382320	`mj32`	`gcc -m32 -march=barcelona -O -fomit-frame-pointer`	20161209	20161009
39640010	`mj32`	`gcc -m32 -march=corei7 -O -fomit-frame-pointer`	20161209	20161009

Test failure

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer

error 111

Number of similar (compiler,implementation) pairs: 9, namely:

Compiler	Implementations
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer	mj32
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer	mj32
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer	mj32
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer	mj32
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer	mj32

Compiler output

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer

Number of similar (compiler,implementation) pairs: 166, namely:

Compiler	Implementations
gcc -funroll-loops -m32 -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer	mj32
gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer	mj32
gcc -m32 -O2 -fomit-frame-pointer	mj32
gcc -m32 -O3 -fomit-frame-pointer	mj32
gcc -m32 -O -fomit-frame-pointer	mj32
gcc -m32 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=athlon -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=athlon -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=athlon -O -fomit-frame-pointer	mj32
gcc -m32 -march=athlon -Os -fomit-frame-pointer	mj32
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer	mj32
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer	mj32
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer	mj32
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=core2 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=core2 -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=core2 -O -fomit-frame-pointer	mj32
gcc -m32 -march=core2 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer	mj32
gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer	mj32
gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer	mj32
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer	mj32
gcc -m32 -march=corei7 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=corei7 -O -fomit-frame-pointer	mj32
gcc -m32 -march=corei7 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=i386 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=i386 -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=i386 -O -fomit-frame-pointer	mj32
gcc -m32 -march=i386 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=i486 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=i486 -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=i486 -O -fomit-frame-pointer	mj32
gcc -m32 -march=i486 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=k6-2 -O -fomit-frame-pointer	mj32
gcc -m32 -march=k6-2 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=k6-3 -O -fomit-frame-pointer	mj32
gcc -m32 -march=k6-3 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=k6 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=k6 -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=k6 -O -fomit-frame-pointer	mj32
gcc -m32 -march=k6 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=k8 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=k8 -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=k8 -O -fomit-frame-pointer	mj32
gcc -m32 -march=k8 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer	mj32
gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer	mj32
gcc -m32 -march=nocona -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=nocona -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=nocona -O -fomit-frame-pointer	mj32
gcc -m32 -march=nocona -Os -fomit-frame-pointer	mj32
gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium-m -O -fomit-frame-pointer	mj32
gcc -m32 -march=pentium-m -Os -fomit-frame-pointer	mj32
gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer	mj32
gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer	mj32
gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium2 -O -fomit-frame-pointer	mj32
gcc -m32 -march=pentium2 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium3 -O -fomit-frame-pointer	mj32
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium4 -O -fomit-frame-pointer	mj32
gcc -m32 -march=pentium4 -Os -fomit-frame-pointer	mj32
gcc -m32 -march=pentium -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=pentium -O -fomit-frame-pointer	mj32
gcc -m32 -march=pentium -Os -fomit-frame-pointer	mj32
gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=pentiumpro -O -fomit-frame-pointer	mj32
gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer	mj32
gcc -m32 -march=prescott -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=prescott -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=prescott -O -fomit-frame-pointer	mj32
gcc -m32 -march=prescott -Os -fomit-frame-pointer	mj32

Compiler output

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer

gep256.c: gep256.c: In function 'isneutral':
gep256.c: gep256.c:83:28: warning: 'sizeof' on array function parameter 'p' will return size of 'crypto_uint32 (*)[8] {aka unsigned int (*)[8]}' [-Wsizeof-array-argument]
gep256.c: for (i = 0; i gep256.c: ^
gep256.c: gep256.c:78:29: note: declared here
gep256.c: static int isneutral(gep256 p) {
gep256.c: ^
gep256.c: gep256.c: In function 'isneutral_precomp':
gep256.c: gep256.c:92:28: warning: 'sizeof' on array function parameter 'p' will return size of 'crypto_uint32 (*)[8] {aka unsigned int (*)[8]}' [-Wsizeof-array-argument]
gep256.c: for (i = 0; i gep256.c: ^
gep256.c: gep256.c:87:45: note: declared here
gep256.c: static int isneutral_precomp(gep256_precomp p) {
gep256.c: ^
gep256.c: gep256.c: In function 'isneutral':
gep256.c: gep256.c:83:28: warning: 'sizeof' on array function parameter 'p' will return size of 'crypto_uint32 (*)[8] {aka unsigned int (*)[8]}' [-Wsizeof-array-argument]
gep256.c: for (i = 0; i gep256.c: ^
gep256.c: gep256.c:78:29: note: declared here
gep256.c: static int isneutral(gep256 p) {
gep256.c: ^
gep256.c: gep256.c: In function 'isneutral_precomp':
gep256.c: gep256.c:92:28: warning: 'sizeof' on array function parameter 'p' will return size of 'crypto_uint32 (*)[8] {aka unsigned int (*)[8]}' [-Wsizeof-array-argument]
gep256.c: for (i = 0; i gep256.c: ^
gep256.c: gep256.c:87:45: note: declared here
gep256.c: static int isneutral_precomp(gep256_precomp p) {
gep256.c: ^

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

Compiler	Implementations
gcc -m32 -march=barcelona -O2 -fomit-frame-pointer	mj32
gcc -m32 -march=barcelona -O3 -fomit-frame-pointer	mj32
gcc -m32 -march=barcelona -O -fomit-frame-pointer	mj32
gcc -m32 -march=barcelona -Os -fomit-frame-pointer	mj32