Implementation notes: amd64, hertz, crypto_hash/bmw256

Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240425
Operation: crypto_hash
Primitive: bmw256
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
732112996 0 030606 828 968T:optc03clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
732512996 0 030718 828 968T:optc03clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
733412989 0 024480 820 968T:optc03clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
736113141 0 024640 820 968T:optc04clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
740113424 0 031183 828 968T:optabeclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
740713424 0 031167 828 968T:optbbeclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
742413382 0 024896 820 968T:optbbeclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
743413421 0 024976 820 968T:optabeclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
745113424 0 031071 828 968T:optabeclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
745313424 0 031055 828 968T:optbbeclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
746820531 0 038287 828 968T:optc02clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
748913145 0 030862 828 968T:optc04clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
752313145 0 030750 828 968T:optc04clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
768720514 0 038167 828 968T:optc02clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
775015423 0 027085 804 968T:optbbegcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
778315414 0 029133 804 1032T:optbbegcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
780414411 0 024632 780 936T:optbbegcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
783614412 0 024632 780 936T:optabegcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
785342484 0 053976 820 968T:optc01clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
785920434 0 031952 820 968T:optc02clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
79666658 0 018176 820 968T:optbgbeclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
796722288 0 036037 804 1032T:optc02gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
79907135 0 024319 828 968T:optbgbeclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
79977135 0 024431 828 968T:optbgbeclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
799943776 0 053984 780 936T:optc01gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
804546243 0 057901 804 968T:optc01gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
804943158 0 060791 828 968T:optc01clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
807646669 0 060413 804 1032T:optc01gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
808322352 0 034005 804 968T:optc02gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
809243225 0 060975 828 968T:optc01clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
813915364 0 029117 804 1032T:optabegcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
818815378 0 027037 804 968T:optabegcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
829715152 0 033023 828 968T:sphlib-smallclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
836714724 0 032479 828 968T:sphlib-smallclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
849317473 0 031317 804 1032T:sphlibgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
850916691 0 028485 804 968T:sphlibgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
859015353 0 029197 804 1032T:sphlib-smallgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
868017641 0 035391 828 968T:sphlibclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
870217705 0 035567 828 968T:sphlibclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
873515767 0 027432 820 968T:sphlibclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
875016693 0 026920 780 936T:optc02gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
899015180 0 025520 780 936T:sphlibgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
940112289 0 022640 780 936T:sphlib-smallgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
1057012791 0 024280 820 968T:sphlib-smallclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
1162514747 0 026573 804 968T:sphlib-smallgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
1595211054 0 028630 828 968T:refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
1597311121 0 028814 828 968T:refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
1736610948 0 021192 780 936T:refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
1764613961 0 027757 804 1032T:refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217
1793210022 0 021536 820 968T:refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042920240425
1812912299 0 024005 804 968T:refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121920231217

Checksum failure

Implementation: T:optbgbe
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
80b9b7112d1d2b8ae15902ed31e97e4fe46f40d2f2026b50abc6025b936713bc
Number of similar (compiler,implementation) pairs: 3, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optbgbe
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optbgbe
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optbgbe

Checksum failure

Implementation: T:optc03
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
59025b794305deaa10784993a151ae62311e0264874a267358d5104a30b2f090
Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optc03

Checksum failure

Implementation: T:optc04
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
8357d196471c4114660e4c5fb7b15c89dc22bc07ea1d67215af6f80d02a1f463
Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optc04

Test failure

Implementation: T:amd_k8/x86-64/noSSE
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
error 111

Number of similar (compiler,implementation) pairs: 24, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:amd_k8/x86-64/noSSE
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:amd_k8/x86-64/noSSE
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:amd_k8/x86-64/noSSE
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:amd_k8/x86-64/noSSE
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:amd_k8/x86-64/noSSE
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:amd_k8/x86-64/noSSE
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:core_2_45nm/x86-64/sse4_v1
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:core_2_45nm/x86-64/sse4_v1
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:core_2_45nm/x86-64/sse4_v1
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:core_2_45nm/x86-64/sse4_v1
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:core_2_45nm/x86-64/sse4_v1
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:core_2_45nm/x86-64/sse4_v1
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:core_2_65nm/x86-64/ssse3_v1
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:core_2_65nm/x86-64/ssse3_v1
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:core_2_65nm/x86-64/ssse3_v1
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:core_2_65nm/x86-64/ssse3_v1
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:core_2_65nm/x86-64/ssse3_v1
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:core_2_65nm/x86-64/ssse3_v1
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:core_i7_45nm/x86-64/sse4_v1
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:core_i7_45nm/x86-64/sse4_v1
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:core_i7_45nm/x86-64/sse4_v1
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:core_i7_45nm/x86-64/sse4_v1
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:core_i7_45nm/x86-64/sse4_v1
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:core_i7_45nm/x86-64/sse4_v1

Test failure

Implementation: T:optc03
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE
error 111
crypto_hash is nondeterministic

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optc03
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optc03
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optc04
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optc04

Compiler output

Implementation: T:amd_k8/x86-64/noSSE
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
try.c: /usr/bin/ld: libcrypto_hash_bmw256.a(Compress256_icc.o): warning: relocation in read-only section `.eh_frame'
try.c: /usr/bin/ld: warning: creating DT_TEXTREL in a PIE

Number of similar (compiler,implementation) pairs: 6, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:amd_k8/x86-64/noSSE
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:amd_k8/x86-64/noSSE
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:amd_k8/x86-64/noSSE
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:amd_k8/x86-64/noSSE
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:amd_k8/x86-64/noSSE
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:amd_k8/x86-64/noSSE

Compiler output

Implementation: T:optc31ssse3
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
Compress256_sse_31.c: Compress256_sse_31.c:374:19: warning: incompatible pointer types passing 'u_int32_t *' (aka 'unsigned int *') to parameter of type '__m128i_u *' [-Wincompatible-pointer-types]
Compress256_sse_31.c: 374 | _mm_storeu_si128(&p256[00], copyTemp);
Compress256_sse_31.c: | ^~~~~~~~~
Compress256_sse_31.c: /usr/lib/llvm-18/lib/clang/18/include/emmintrin.h:3818:71: note: passing argument to parameter '__p' here
Compress256_sse_31.c: 3818 | static __inline__ void __DEFAULT_FN_ATTRS _mm_storeu_si128(__m128i_u *__p,
Compress256_sse_31.c: | ^
Compress256_sse_31.c: Compress256_sse_31.c:377:29: warning: incompatible pointer types passing 'u_int32_t *' (aka 'unsigned int *') to parameter of type 'const __m128i_u *' [-Wincompatible-pointer-types]
Compress256_sse_31.c: 377 | copyTemp = _mm_loadu_si128(&hashState256(state)->DoublePipe[ 4]);
Compress256_sse_31.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Compress256_sse_31.c: /usr/lib/llvm-18/lib/clang/18/include/emmintrin.h:3369:34: note: passing argument to parameter '__p' here
Compress256_sse_31.c: 3369 | _mm_loadu_si128(__m128i_u const *__p) {
Compress256_sse_31.c: | ^
Compress256_sse_31.c: Compress256_sse_31.c:378:19: warning: incompatible pointer types passing 'u_int32_t *' (aka 'unsigned int *') to parameter of type '__m128i_u *' [-Wincompatible-pointer-types]
Compress256_sse_31.c: 378 | _mm_storeu_si128(&p256[04], copyTemp);
Compress256_sse_31.c: | ^~~~~~~~~
Compress256_sse_31.c: /usr/lib/llvm-18/lib/clang/18/include/emmintrin.h:3818:71: note: passing argument to parameter '__p' here
Compress256_sse_31.c: 3818 | static __inline__ void __DEFAULT_FN_ATTRS _mm_storeu_si128(__m128i_u *__p,
Compress256_sse_31.c: | ^
Compress256_sse_31.c: Compress256_sse_31.c:379:29: warning: incompatible pointer types passing 'u_int32_t *' (aka 'unsigned int *') to parameter of type 'const __m128i_u *' [-Wincompatible-pointer-types]
Compress256_sse_31.c: 379 | copyTemp = _mm_loadu_si128(&hashState256(state)->DoublePipe[ 8]);
Compress256_sse_31.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Compress256_sse_31.c: /usr/lib/llvm-18/lib/clang/18/include/emmintrin.h:3369:34: note: passing argument to parameter '__p' here
Compress256_sse_31.c: 3369 | _mm_loadu_si128(__m128i_u const *__p) {
Compress256_sse_31.c: | ^
Compress256_sse_31.c: Compress256_sse_31.c:380:19: warning: incompatible pointer types passing 'u_int32_t *' (aka 'unsigned int *') to parameter of type '__m128i_u *' [-Wincompatible-pointer-types]
Compress256_sse_31.c: ...

Number of similar (compiler,implementation) pairs: 3, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:optc31ssse3
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:optc31ssse3
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:optc31ssse3

Compiler output

Implementation: T:optc31ssse3
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
Compress256_sse_31.c: Compress256_sse_31.c: In function 'Compress256':
Compress256_sse_31.c: Compress256_sse_31.c:374:26: warning: passing argument 1 of '_mm_storeu_si128' from incompatible pointer type [-Wincompatible-pointer-types]
Compress256_sse_31.c: 374 | _mm_storeu_si128(&p256[00], copyTemp);
Compress256_sse_31.c: | ^~~~~~~~~
Compress256_sse_31.c: | |
Compress256_sse_31.c: | u_int32_t * {aka unsigned int *}
Compress256_sse_31.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/13/include/pmmintrin.h:31,
Compress256_sse_31.c: from /usr/lib/gcc/x86_64-linux-gnu/13/include/tmmintrin.h:31,
Compress256_sse_31.c: from Compress256_sse_31.c:12:
Compress256_sse_31.c: /usr/lib/gcc/x86_64-linux-gnu/13/include/emmintrin.h:740:30: note: expected '__m128i_u *' but argument is of type 'u_int32_t *' {aka 'unsigned int *'}
Compress256_sse_31.c: 740 | _mm_storeu_si128 (__m128i_u *__P, __m128i __B)
Compress256_sse_31.c: | ~~~~~~~~~~~^~~
Compress256_sse_31.c: Compress256_sse_31.c:377:36: warning: passing argument 1 of '_mm_loadu_si128' from incompatible pointer type [-Wincompatible-pointer-types]
Compress256_sse_31.c: 377 | copyTemp = _mm_loadu_si128(&hashState256(state)->DoublePipe[ 4]);
Compress256_sse_31.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Compress256_sse_31.c: | |
Compress256_sse_31.c: | u_int32_t * {aka unsigned int *}
Compress256_sse_31.c: /usr/lib/gcc/x86_64-linux-gnu/13/include/emmintrin.h:704:35: note: expected 'const __m128i_u *' but argument is of type 'u_int32_t *' {aka 'unsigned int *'}
Compress256_sse_31.c: 704 | _mm_loadu_si128 (__m128i_u const *__P)
Compress256_sse_31.c: | ~~~~~~~~~~~~~~~~~^~~
Compress256_sse_31.c: Compress256_sse_31.c:378:26: warning: passing argument 1 of '_mm_storeu_si128' from incompatible pointer type [-Wincompatible-pointer-types]
Compress256_sse_31.c: 378 | _mm_storeu_si128(&p256[04], copyTemp);
Compress256_sse_31.c: | ^~~~~~~~~
Compress256_sse_31.c: | |
Compress256_sse_31.c: | u_int32_t * {aka unsigned int *}
Compress256_sse_31.c: ...

Number of similar (compiler,implementation) pairs: 3, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optc31ssse3
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optc31ssse3
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:optc31ssse3