Implementation notes: amd64, genji346, crypto_core/mult3sntrup761

Computer: genji346
Architecture: amd64
CPU ID: AuthenticAMD-00830f10-178bfbff
SUPERCOP version: 20191017
Operation: crypto_core
Primitive: mult3sntrup761

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
7740	15600 32 0	31813 896 768	`avx`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191025	20191017
7780	15696 32 0	32325 896 768	`avx`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191025	20191017
7780	15600 32 0	31813 896 768	`avx`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191025	20191017
7780	15696 32 0	32325 896 768	`avx`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191025	20191017
7800	15600 32 0	31829 896 768	`avx`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191025	20191017
7820	16000 32 0	30877 896 768	`avx`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191025	20191017
7820	15696 32 0	32309 896 768	`avx`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191025	20191017
7820	15600 32 0	31829 896 768	`avx`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191025	20191017
7880	15696 32 0	32309 896 768	`avx`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191025	20191017
7900	16032 32 0	30853 896 768	`avx`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191025	20191017
8040	14427 0 0	27385 816 800	`avx`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	20191017
11800	18112 32 0	34261 896 768	`avx`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191025	20191017
11800	18112 32 0	34261 896 768	`avx`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191025	20191017
11900	18176 32 0	34293 896 768	`avx`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191025	20191017
11920	18112 32 0	34261 896 768	`avx`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191025	20191017
11940	18112 32 0	34261 896 768	`avx`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191025	20191017
12020	18176 32 0	34293 896 768	`avx`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191025	20191017
12020	18176 32 0	34293 896 768	`avx`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191025	20191017
12140	18176 32 0	34293 896 768	`avx`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191025	20191017
13020	13476 0 0	24028 808 800	`avx`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	20191017
15840	13547 0 0	24324 808 800	`avx`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	20191017
16040	14048 0 0	23684 792 800	`avx`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	20191017
24200	14935 0 0	27849 816 800	`round1`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	20191017
24380	14112 0 0	30733 856 768	`round1`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191025	20191017
24440	14328 0 0	29141 856 768	`round1`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191025	20191017
24500	14096 0 0	30701 856 768	`round1`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191025	20191017
24520	14096 0 0	30701 856 768	`round1`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191025	20191017
24520	14112 0 0	30733 856 768	`round1`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191025	20191017
24800	14608 0 0	30749 856 768	`round1`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191025	20191017
24820	14608 0 0	30749 856 768	`round1`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191025	20191017
24840	14608 0 0	30749 856 768	`round1`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191025	20191017
24860	14608 0 0	30749 856 768	`round1`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191025	20191017
25380	14608 0 0	30813 856 768	`round1`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191025	20191017
25420	14608 0 0	30813 856 768	`round1`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191025	20191017
25520	14624 0 0	30845 856 768	`round1`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191025	20191017
25540	14624 0 0	30845 856 768	`round1`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191025	20191017
25720	15112 0 0	29981 856 768	`round1`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191025	20191017
25840	15344 0 0	31517 856 768	`round1`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191025	20191017
25840	15344 0 0	31517 856 768	`round1`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191025	20191017
25860	15344 0 0	31517 856 768	`round1`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191025	20191017
25880	15344 0 0	31517 856 768	`round1`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191025	20191017
31660	9426 0 0	20017 816 800	`round1`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	20191017
32420	9657 0 0	20481 816 800	`round1`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	20191017
39720	9247 0 0	18852 792 800	`round1`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	20191017
177400	3396 0 0	15827 808 776	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191025	20191017
177600	3396 0 0	15827 808 776	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191025	20191017
177760	3412 0 0	16467 808 776	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191025	20191017
212560	2161 0 0	15081 816 800	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	20191017
367700	2722 0 0	15523 808 760	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191025	20191017
412080	1712 0 0	18301 856 768	`ref`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191025	20191017
412620	1712 0 0	18301 856 768	`ref`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191025	20191017
413560	1712 0 0	17901 856 768	`ref`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191025	20191017
413700	1712 0 0	17901 856 768	`ref`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191025	20191017
417100	1712 0 0	18285 856 768	`ref`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191025	20191017
417840	1712 0 0	18285 856 768	`ref`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191025	20191017
420560	1712 0 0	17885 856 768	`ref`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191025	20191017
442040	1464 0 0	17573 856 768	`ref`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191025	20191017
442840	1464 0 0	17573 856 768	`ref`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191025	20191017
443380	1464 0 0	17573 856 768	`ref`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191025	20191017
443420	1464 0 0	17573 856 768	`ref`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191025	20191017
457160	1368 0 0	16189 856 768	`ref`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191025	20191017
458500	1368 0 0	16133 856 768	`ref`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191025	20191017
461920	1464 0 0	17541 856 768	`ref`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191025	20191017
462440	1464 0 0	17541 856 768	`ref`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191025	20191017
462780	1712 0 0	17885 856 768	`ref`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191025	20191017
462940	1464 0 0	17541 856 768	`ref`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191025	20191017
463640	1464 0 0	17541 856 768	`ref`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191025	20191017
1475720	452 0 0	10233 800 760	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191025	20191017
1532700	625 0 0	11340 808 800	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	20191017
1587220	494 0 0	10052 792 800	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	20191017
2220840	614 0 0	11100 808 800	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191025	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(172): 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:

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