Implementation notes: amd64, genji346, crypto_stream/speck6496ctr

Computer: genji346
Architecture: amd64
CPU ID: AuthenticAMD-00830f10-178bfbff
SUPERCOP version: 20191017
Operation: crypto_stream
Primitive: speck6496ctr
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
154032681 0 044412 808 856avx2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102520191017
154034769 0 048761 816 856avx2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102520191017
156032723 0 044212 808 856avx2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102520191017
158033059 0 043492 792 824avx2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102520191017
226038368 0 055141 856 824avx2icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer2019102520191017
226038368 0 055141 856 824avx2icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer2019102520191017
226038368 0 055141 856 824avx2icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer2019102520191017
226038368 0 055141 856 824avx2icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer2019102520191017
256040512 0 057685 856 824avx2icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer2019102520191017
256040512 0 057685 856 824avx2icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer2019102520191017
256040512 0 057685 856 824avx2icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer2019102520191017
256040512 0 057685 856 824avx2icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer2019102520191017
298032160 0 047725 856 824sse4icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer2019102520191017
300032288 0 047797 856 824sse4icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer2019102520191017
304030704 0 047877 856 824sse4icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer2019102520191017
304030704 0 047877 856 824sse4icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer2019102520191017
304030704 0 047877 856 824sse4icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer2019102520191017
304030704 0 047877 856 824sse4icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer2019102520191017
310027312 0 038796 808 856sse4gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102520191017
312029520 0 046309 856 824sse4icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer2019102520191017
312029520 0 046309 856 824sse4icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer2019102520191017
312029520 0 046309 856 824sse4icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer2019102520191017
312029520 0 046309 856 824sse4icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer2019102520191017
314027344 0 039060 808 856sse4gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102520191017
314029243 0 043233 816 856sse4gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102520191017
316030880 0 047653 856 824sse4icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer2019102520191017
318030880 0 047653 856 824sse4icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer2019102520191017
318030880 0 047653 856 824sse4icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer2019102520191017
318030880 0 047653 856 824sse4icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer2019102520191017
322027696 0 038108 792 824sse4gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102520191017
324029712 0 046533 856 824sse4icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer2019102520191017
324029712 0 046533 856 824sse4icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer2019102520191017
324029712 0 046533 856 824sse4icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer2019102520191017
324029712 0 046533 856 824sse4icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer2019102520191017
678041920 0 057501 856 824avx2icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer2019102520191017
710042032 0 058853 856 824avx2icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer2019102520191017
710042032 0 058853 856 824avx2icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer2019102520191017
710042032 0 058853 856 824avx2icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer2019102520191017
710042032 0 058853 856 824avx2icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer2019102520191017
726044144 0 059669 856 824avx2icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer2019102520191017
744044736 0 061525 856 824avx2icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer2019102520191017
744044736 0 061525 856 824avx2icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer2019102520191017
746044736 0 061525 856 824avx2icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer2019102520191017
748044736 0 061525 856 824avx2icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer2019102520191017

Test failure

Implementation: avx2
Security model: unknown
Compiler: icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 36, namely:
CompilerImplementations
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer avx2
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer avx2
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer avx2
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer avx2
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer avx2
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer avx2
icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer avx512
icc -march=broadwell -mtune=broadwell -O3 -fomit-frame-pointer avx512
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer avx512
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer avx512
icc -march=core-avx-i -mtune=core-avx-i -O2 -fomit-frame-pointer avx512
icc -march=core-avx-i -mtune=core-avx-i -O3 -fomit-frame-pointer avx512
icc -march=core-avx2 -mtune=core-avx2 -O2 -fomit-frame-pointer avx512
icc -march=core-avx2 -mtune=core-avx2 -O3 -fomit-frame-pointer avx512
icc -march=corei7-avx -mtune=corei7-avx -O2 -fomit-frame-pointer avx512
icc -march=corei7-avx -mtune=corei7-avx -O3 -fomit-frame-pointer avx512
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer avx512
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer avx512
icc -march=haswell -mtune=haswell -O2 -fomit-frame-pointer avx512
icc -march=haswell -mtune=haswell -O3 -fomit-frame-pointer avx512
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer avx512
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer avx512
icc -march=ivybridge -mtune=ivybridge -O2 -fomit-frame-pointer avx512
icc -march=ivybridge -mtune=ivybridge -O3 -fomit-frame-pointer avx512
icc -march=sandybridge -mtune=sandybridge -O2 -fomit-frame-pointer avx512
icc -march=sandybridge -mtune=sandybridge -O3 -fomit-frame-pointer avx512
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer avx512
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer avx512
icc -march=skylake -mtune=skylake -O2 -fomit-frame-pointer avx512
icc -march=skylake -mtune=skylake -O3 -fomit-frame-pointer avx512
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer sse4
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer sse4
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer sse4
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer sse4
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer sse4
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer sse4

Compiler output

Implementation: avx2
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
stream.c: In file included from stream.c:20:
stream.c: In file included from ./Speck6496AVX2.h:17:
stream.c: In file included from ./Intrinsics_AVX2_64block.h:5:
stream.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:
stream.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]
stream.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.c: ...

Number of similar (compiler,implementation) pairs: 5, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx2
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx2
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx2
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx2
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx2

Compiler output

Implementation: avx512
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
stream.c: In file included from stream.c:21:
stream.c: In file included from ./Speck6496AVX512.h:17:
stream.c: In file included from ./Intrinsics_AVX512_64block.h:5:
stream.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:
stream.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]
stream.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.c: ...

Number of similar (compiler,implementation) pairs: 5, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx512
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx512
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx512
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx512
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx512

Compiler output

Implementation: avx512
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
stream.c: In file included from Speck6496AVX512.h:17,
stream.c: from stream.c:21:
stream.c: stream.c: In function 'Encrypt':
stream.c: Intrinsics_AVX512_64block.h:25:21: warning: AVX512F vector return without AVX512F enabled changes the ABI [-Wpsabi]
stream.c: 25 | #define SET1(X,c) (X=SET(c,c,c,c,c,c,c,c,c,c,c,c,c,c,c,c))
stream.c: | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stream.c: stream.c:135:5: note: in expansion of macro 'SET1'
stream.c: 135 | SET1(X[0],nonce[1]); SET16(Y[0],nonce[0]);
stream.c: | ^~~~
stream.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:55,
stream.c: from Intrinsics_AVX512_64block.h:5,
stream.c: from Speck6496AVX512.h:17,
stream.c: from stream.c:21:
stream.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/avx512fintrin.h:6408:1: error: inlining failed in call to always_inline '_mm512_storeu_si512': target specific option mismatch
stream.c: 6408 | _mm512_storeu_si512 (void *__P, __m512i __A)
stream.c: | ^~~~~~~~~~~~~~~~~~~
stream.c: In file included from Speck6496AVX512.h:17,
stream.c: from stream.c:21:
stream.c: Intrinsics_AVX512_64block.h:31:18: note: called from here
stream.c: 31 | #define ST(ip,X) _mm512_storeu_si512((__m512i *)(ip),X)
stream.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stream.c: Intrinsics_AVX512_64block.h:32:42: note: in expansion of macro 'ST'
stream.c: 32 | #define STORE(out,X,Y) (ST(out,LOW(Y,X)),ST(out+64,HIGH(Y,X)))
stream.c: | ^~
stream.c: stream.c:138:5: note: in expansion of macro 'STORE'
stream.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE avx512
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE avx512
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE avx512
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE avx512

Compiler output

Implementation: sse4
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
stream.c: In file included from stream.c:20:
stream.c: In file included from ./Speck6496SSE4.h:16:
stream.c: In file included from ./Intrinsics_SSE4_64block.h:5:
stream.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/smmintrin.h:32:
stream.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/tmmintrin.h:31:
stream.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/pmmintrin.h:31:
stream.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/emmintrin.h:31:
stream.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/xmmintrin.h:31:
stream.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]
stream.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ^
stream.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]
stream.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
stream.c: ...

Number of similar (compiler,implementation) pairs: 5, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE sse4
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE sse4
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE sse4
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE sse4
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE sse4