Implementation notes: amd64, genji262, crypto_core/multsntrup761

Computer: genji262
Architecture: amd64
CPU ID: AuthenticAMD-00800f12-178bfbff
SUPERCOP version: 20191017
Operation: crypto_core
Primitive: multsntrup761

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
35684	16632 32 0	31598 888 768	`avx`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191024	20191017
35860	16520 32 0	32742 888 768	`avx`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191024	20191017
35926	16520 32 0	32742 888 768	`avx`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191024	20191017
35970	16520 32 0	32758 888 768	`avx`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191024	20191017
36014	16520 32 0	32758 888 768	`avx`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191024	20191017
36124	16568 32 0	33190 888 768	`avx`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191024	20191017
36146	16568 32 0	33206 888 768	`avx`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191024	20191017
36212	16568 32 0	33206 888 768	`avx`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191024	20191017
36212	16568 32 0	33190 888 768	`avx`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191024	20191017
36344	16632 32 0	31542 888 768	`avx`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191024	20191017
38434	15990 0 0	28433 800 800	`avx`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
39424	18856 32 0	35078 888 768	`avx`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191024	20191017
39424	18856 32 0	35078 888 768	`avx`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191024	20191017
39468	18856 32 0	35078 888 768	`avx`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191024	20191017
39468	18856 32 0	35078 888 768	`avx`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191024	20191017
39688	18904 32 0	35094 888 768	`avx`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191024	20191017
39776	18904 32 0	35094 888 768	`avx`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191024	20191017
39820	18904 32 0	35094 888 768	`avx`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191024	20191017
39864	18904 32 0	35094 888 768	`avx`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191024	20191017
40854	15294 0 0	25980 792 800	`avx`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
41734	15077 0 0	25980 792 800	`avx`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
43274	15204 0 0	25004 784 800	`avx`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
45540	14072 0 0	28966 848 768	`round1`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191024	20191017
45694	14320 0 0	30926 848 768	`round1`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191024	20191017
45716	14336 0 0	30958 848 768	`round1`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191024	20191017
45716	14320 0 0	30926 848 768	`round1`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191024	20191017
45716	14448 0 0	30654 848 768	`round1`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191024	20191017
45716	14448 0 0	30654 848 768	`round1`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191024	20191017
45716	14448 0 0	30654 848 768	`round1`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191024	20191017
45738	12990 0 0	25377 800 800	`round1`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
45738	14448 0 0	30654 848 768	`round1`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191024	20191017
46794	14984 0 0	29934 848 768	`round1`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191024	20191017
46838	14784 0 0	31006 848 768	`round1`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191024	20191017
46860	14768 0 0	30974 848 768	`round1`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191024	20191017
46882	15232 0 0	31470 848 768	`round1`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191024	20191017
46882	15232 0 0	31470 848 768	`round1`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191024	20191017
46882	15232 0 0	31470 848 768	`round1`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191024	20191017
46904	15232 0 0	31470 848 768	`round1`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191024	20191017
46926	14784 0 0	31006 848 768	`round1`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191024	20191017
50886	14336 0 0	30958 848 768	`round1`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191024	20191017
51480	9566 0 0	20460 792 800	`round1`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
52492	14768 0 0	30974 848 768	`round1`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191024	20191017
53042	9434 0 0	19236 784 800	`round1`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
53416	9090 0 0	19772 792 800	`round1`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
190168	3129 0 0	15513 800 800	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
220286	2549 0 0	15667 792 776	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191024	20191017
220836	2549 0 0	15043 792 776	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191024	20191017
220880	2549 0 0	15043 792 776	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191024	20191017
442354	2296 0 0	18438 848 768	`ref`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191024	20191017
442640	2296 0 0	18438 848 768	`ref`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191024	20191017
443058	2488 0 0	18662 848 768	`ref`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191024	20191017
443410	2488 0 0	18662 848 768	`ref`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191024	20191017
443542	2296 0 0	18438 848 768	`ref`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191024	20191017
444026	2488 0 0	18662 848 768	`ref`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191024	20191017
444136	2488 0 0	18662 848 768	`ref`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191024	20191017
445280	2296 0 0	18438 848 768	`ref`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191024	20191017
479842	3568 0 0	20158 848 768	`ref`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191024	20191017
480084	3568 0 0	20158 848 768	`ref`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191024	20191017
480766	3472 0 0	19662 848 768	`ref`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191024	20191017
481118	3568 0 0	20142 848 768	`ref`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191024	20191017
481140	2560 0 0	17462 848 768	`ref`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191024	20191017
481470	3472 0 0	19662 848 768	`ref`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191024	20191017
481470	3568 0 0	20142 848 768	`ref`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191024	20191017
483032	3472 0 0	19646 848 768	`ref`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191024	20191017
483208	3472 0 0	19646 848 768	`ref`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191024	20191017
512072	2320 0 0	17166 848 768	`ref`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191024	20191017
554356	2355 0 0	15235 792 760	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191024	20191017
1503216	596 0 0	10449 784 760	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191024	20191017
1563232	537 0 0	11180 792 800	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
1571284	466 0 0	10220 784 800	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
1622412	606 0 0	11460 792 800	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017

Test failure

Implementation: avx
Security model: unknown
Compiler: icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer

error 111

Number of similar (compiler,implementation) pairs: 18, namely:

Compiler	Implementations
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	avx
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	avx
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer	avx
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer	avx
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer	avx
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer	avx
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	ref
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	ref
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer	ref
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer	ref
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer	ref
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer	ref
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	round1
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	round1
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer	round1
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer	round1
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer	round1
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer	round1

Compiler output

Implementation: avx
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

mult768.c: In file included from mult768.c:2:
mult768.c: In file included from /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/immintrin.h:27:
mult768.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:55:72: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult768.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult768.c: ^
mult768.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:61:72: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult768.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult768.c: ^
mult768.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:68:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult768.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult768.c: ^
mult768.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:74:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult768.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult768.c: ^
mult768.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:84:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult768.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult768.c: ^
mult768.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:90:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult768.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult768.c: ^
mult768.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:97:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult768.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult768.c: ^
mult768.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:103:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult768.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult768.c: ...

Number of similar (compiler,implementation) pairs: 5, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx

Compiler output

Implementation: avx
Security model: unknown
Compiler: icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer

mult768.c: mult768.c(196): warning #167: argument of type "int16={int16_t={short}} (*)[512]" is incompatible with parameter of type "const int16={int16_t={short}} (*)[512]"
mult768.c: ungood(h_7681,hpad);
mult768.c: ^
mult768.c:
mult768.c: mult768.c(224): warning #167: argument of type "int16={int16_t={short}} (*)[512]" is incompatible with parameter of type "const int16={int16_t={short}} (*)[512]"
mult768.c: ungood(h_10753,hpad);
mult768.c: ^
mult768.c:

Number of similar (compiler,implementation) pairs: 24, namely:

Compiler	Implementations
icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer	avx
icc -march=broadwell -mtune=broadwell -O3 -fomit-frame-pointer	avx
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	avx
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	avx
icc -march=core-avx-i -mtune=core-avx-i -O2 -fomit-frame-pointer	avx
icc -march=core-avx-i -mtune=core-avx-i -O3 -fomit-frame-pointer	avx
icc -march=core-avx2 -mtune=core-avx2 -O2 -fomit-frame-pointer	avx
icc -march=core-avx2 -mtune=core-avx2 -O3 -fomit-frame-pointer	avx
icc -march=corei7-avx -mtune=corei7-avx -O2 -fomit-frame-pointer	avx
icc -march=corei7-avx -mtune=corei7-avx -O3 -fomit-frame-pointer	avx
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer	avx
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer	avx
icc -march=haswell -mtune=haswell -O2 -fomit-frame-pointer	avx
icc -march=haswell -mtune=haswell -O3 -fomit-frame-pointer	avx
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer	avx
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer	avx
icc -march=ivybridge -mtune=ivybridge -O2 -fomit-frame-pointer	avx
icc -march=ivybridge -mtune=ivybridge -O3 -fomit-frame-pointer	avx
icc -march=sandybridge -mtune=sandybridge -O2 -fomit-frame-pointer	avx
icc -march=sandybridge -mtune=sandybridge -O3 -fomit-frame-pointer	avx
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer	avx
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer	avx
icc -march=skylake -mtune=skylake -O2 -fomit-frame-pointer	avx
icc -march=skylake -mtune=skylake -O3 -fomit-frame-pointer	avx

Compiler output

Implementation: round1
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

mult.c: In file included from mult.c:2:
mult.c: In file included from /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/immintrin.h:27:
mult.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:55:72: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult.c: ^
mult.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:61:72: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult.c: ^
mult.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:68:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult.c: ^
mult.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:74:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult.c: ^
mult.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:84:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult.c: ^
mult.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:90:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult.c: ^
mult.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:97:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult.c: ^
mult.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:103:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
mult.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
mult.c: ...

Number of similar (compiler,implementation) pairs: 5, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	round1
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	round1
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	round1
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	round1
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	round1