Implementation notes: amd64, skylake, crypto_hash/md6d256

Computer: skylake
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20161026
Operation: crypto_hash
Primitive: md6d256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
30682	`ref`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20161215	20161026
30736	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20161215	20161026
30742	`ref`	`gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer`	20161215	20161026
30790	`ref`	`gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer`	20161215	20161026
30812	`ref`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20161215	20161026
30852	`ref`	`gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer`	20161215	20161026
30902	`ref`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20161215	20161026
30990	`ref`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20161215	20161026
31030	`ref`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20161215	20161026
31044	`ref`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20161215	20161026
31074	`ref`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20161215	20161026
31102	`ref`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20161215	20161026
31120	`ref`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20161215	20161026
31126	`ref`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20161215	20161026
31172	`ref`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20161215	20161026
31198	`ref`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20161215	20161026
31198	`ref`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20161215	20161026
31220	`ref`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20161215	20161026
31228	`ref`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20161215	20161026
31234	`ref`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20161215	20161026
31386	`ref`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20161215	20161026
31390	`ref`	`gcc -m64 -O2 -fomit-frame-pointer`	20161215	20161026
31496	`ref`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20161215	20161026
31750	`ref`	`gcc -O2 -fomit-frame-pointer`	20161215	20161026
31772	`ref`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20161215	20161026
31788	`ref`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20161215	20161026
32030	`ref`	`gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer`	20161215	20161026
32060	`ref`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20161215	20161026
32072	`ref`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20161215	20161026
32116	`ref`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20161215	20161026
32118	`ref`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20161215	20161026
32196	`ref`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20161215	20161026
32228	`ref`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20161215	20161026
32234	`ref`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20161215	20161026
32354	`ref`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20161215	20161026
32392	`ref`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20161215	20161026
32436	`ref`	`gcc -march=nocona -Os -fomit-frame-pointer`	20161215	20161026
32472	`ref`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20161215	20161026
32480	`ref`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20161215	20161026
32496	`ref`	`gcc -march=k8 -Os -fomit-frame-pointer`	20161215	20161026
32502	`ref`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20161215	20161026
32528	`ref`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20161215	20161026
32528	`ref`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20161215	20161026
32530	`ref`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20161215	20161026
32550	`ref`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20161215	20161026
32610	`ref`	`gcc -Os -fomit-frame-pointer`	20161215	20161026
32616	`ref`	`gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer`	20161215	20161026
32618	`ref`	`gcc -m64 -Os -fomit-frame-pointer`	20161215	20161026
32668	`ref`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20161215	20161026
32796	`ref`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20161215	20161026
33080	`ref`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20161215	20161026
33338	`ref`	`gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer`	20161215	20161026
38702	`ref`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20161215	20161026
39040	`ref`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20161215	20161026
39058	`ref`	`gcc -funroll-loops -O -fomit-frame-pointer`	20161215	20161026
39112	`ref`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20161215	20161026
39208	`ref`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20161215	20161026
39246	`ref`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20161215	20161026
39416	`ref`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20161215	20161026
39586	`ref`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20161215	20161026
39616	`ref`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20161215	20161026
39684	`ref`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20161215	20161026
39704	`ref`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20161215	20161026
39762	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20161215	20161026
39980	`ref`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20161215	20161026
40314	`ref`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20161215	20161026
40382	`ref`	`gcc -m64 -march=core-avx2 -O -fomit-frame-pointer`	20161215	20161026
40444	`ref`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20161215	20161026
40604	`ref`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20161215	20161026
40626	`ref`	`gcc -m64 -march=corei7-avx -O -fomit-frame-pointer`	20161215	20161026
40680	`ref`	`gcc -m64 -march=core-avx-i -O -fomit-frame-pointer`	20161215	20161026
40720	`ref`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20161215	20161026
40726	`ref`	`gcc -march=k8 -O -fomit-frame-pointer`	20161215	20161026
40776	`ref`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20161215	20161026
40814	`ref`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20161215	20161026
40986	`ref`	`gcc -march=nocona -O -fomit-frame-pointer`	20161215	20161026
41062	`ref`	`gcc -O -fomit-frame-pointer`	20161215	20161026
41120	`ref`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20161215	20161026
41150	`ref`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20161215	20161026
41164	`ref`	`gcc -m64 -O -fomit-frame-pointer`	20161215	20161026
41272	`ref`	`gcc -march=barcelona -O -fomit-frame-pointer`	20161215	20161026
41404	`ref`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20161215	20161026
46218	`ref`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20161215	20161026
46288	`ref`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20161215	20161026
46702	`ref`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20161215	20161026
46902	`ref`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20161215	20161026
47026	`ref`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20161215	20161026
47032	`ref`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20161215	20161026
47094	`ref`	`gcc -m64 -O3 -fomit-frame-pointer`	20161215	20161026
47168	`ref`	`gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer`	20161215	20161026
47176	`ref`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20161215	20161026
47296	`ref`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20161215	20161026
47318	`ref`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20161215	20161026
47460	`ref`	`gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer`	20161215	20161026
47510	`ref`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20161215	20161026
48006	`ref`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20161215	20161026
48036	`ref`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20161215	20161026
48078	`ref`	`gcc -O3 -fomit-frame-pointer`	20161215	20161026
48134	`ref`	`gcc -m64 -march=core-avx2 -O3 -fomit-frame-pointer`	20161215	20161026
48896	`ref`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20161215	20161026
50446	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20161215	20161026
50740	`ref`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20161215	20161026
50936	`ref`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20161215	20161026
51848	`ref`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20161215	20161026
52016	`ref`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20161215	20161026
52088	`ref`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20161215	20161026
52118	`ref`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20161215	20161026
53472	`ref`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20161215	20161026
150612	`ref`	`gcc`	20161215	20161026
150954	`ref`	`cc`	20161215	20161026
151720	`ref`	`gcc -funroll-loops`	20161215	20161026

Compiler output

Implementation: crypto_hash/md6d256/ref
Compiler: clang -O3 -fomit-frame-pointer -Qunused-arguments

md6_compress.c: md6_compress.c:424:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:424:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:424:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:425:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:425:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:425:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:431:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (K == NULL) ) return MD6_NULL_K;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:431:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (K == NULL) ) return MD6_NULL_K;
md6_compress.c: ...

Number of similar (compiler,implementation) pairs: 10, namely:

Compiler	Implementations
clang -O3 -fomit-frame-pointer -Qunused-arguments	ref
clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments	ref
clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer -Qunused-arguments	ref
clang -O3 -fwrapv -mavx2 -fomit-frame-pointer -Qunused-arguments	ref
clang -O3 -fwrapv -mavx -fomit-frame-pointer -Qunused-arguments	ref
clang -O3 -fwrapv -mavx -maes -mpclmul -fomit-frame-pointer -Qunused-arguments	ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	ref
clang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	ref
clang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	ref
clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	ref