Implementation notes: amd64, saber214, crypto_encode/256x2

Computer: saber214
Architecture: amd64
CPU ID: AuthenticAMD-00600f20-178bfbff
SUPERCOP version: 20210423
Operation: crypto_encode
Primitive: 256x2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
1779138 0 012620 804 880refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2021011420210114
1894104 0 012881 804 944refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021011420210114
1901108 0 013628 804 912refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2021011420210114
1902108 0 012060 804 912refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2021011420210114
1905108 0 012060 804 912refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2021011420210114
1926111 0 010576 796 944refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021011420210114
1963101 0 09450 796 880refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2021011420210114
1993120 0 010552 796 944refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021011420210114
2049104 0 09756 780 912refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2021011420210114

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
encode.c: encode.c:17:16: error: always_inline function '_mm256_cmpgt_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: __m256i b0 = _mm256_cmpgt_epi8(a0&bottom,zero);
encode.c: ^
encode.c: encode.c:18:16: error: always_inline function '_mm256_cmpgt_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: __m256i b1 = _mm256_cmpgt_epi8(a1&bottom,zero);
encode.c: ^
encode.c: encode.c:19:16: error: always_inline function '_mm256_cmpgt_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: __m256i b2 = _mm256_cmpgt_epi8(a2&bottom,zero);
encode.c: ^
encode.c: encode.c:20:16: error: always_inline function '_mm256_cmpgt_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: __m256i b3 = _mm256_cmpgt_epi8(a3&bottom,zero);
encode.c: ^
encode.c: encode.c:21:16: error: always_inline function '_mm256_cmpgt_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: __m256i b4 = _mm256_cmpgt_epi8(a4&bottom,zero);
encode.c: ^
encode.c: encode.c:22:16: error: always_inline function '_mm256_cmpgt_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: __m256i b5 = _mm256_cmpgt_epi8(a5&bottom,zero);
encode.c: ^
encode.c: encode.c:23:16: error: always_inline function '_mm256_cmpgt_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: __m256i b6 = _mm256_cmpgt_epi8(a6&bottom,zero);
encode.c: ^
encode.c: encode.c:24:16: error: always_inline function '_mm256_cmpgt_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: __m256i b7 = _mm256_cmpgt_epi8(a7&bottom,zero);
encode.c: ^
encode.c: encode.c:25:16: error: always_inline function '_mm256_movemask_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
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

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
encode.c: encode.c:7:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a0 = _mm256_loadu_si256(0+(__m256i *) v);
encode.c: ^
encode.c: encode.c:8:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a1 = _mm256_loadu_si256(1+(__m256i *) v);
encode.c: ^
encode.c: encode.c:9:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a2 = _mm256_loadu_si256(2+(__m256i *) v);
encode.c: ^
encode.c: encode.c:10:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a3 = _mm256_loadu_si256(3+(__m256i *) v);
encode.c: ^
encode.c: encode.c:11:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a4 = _mm256_loadu_si256(4+(__m256i *) v);
encode.c: ^
encode.c: encode.c:12:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a5 = _mm256_loadu_si256(5+(__m256i *) v);
encode.c: ^
encode.c: encode.c:13:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a6 = _mm256_loadu_si256(6+(__m256i *) v);
encode.c: ^
encode.c: encode.c:14:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a7 = _mm256_loadu_si256(7+(__m256i *) v);
encode.c: ^
encode.c: encode.c:15:20: error: always_inline function '_mm256_set1_epi8' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
encode.c: from encode.c:1:
encode.c: encode.c: In function 'crypto_encode_256x2_avx_constbranchindex':
encode.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:433:1: error: inlining failed in call to always_inline '_mm256_movemask_epi8': target specific option mismatch
encode.c: _mm256_movemask_epi8 (__m256i __A)
encode.c: ^~~~~~~~~~~~~~~~~~~~
encode.c: encode.c:32:11: note: called from here
encode.c: int32_t c7 = _mm256_movemask_epi8(b7);
encode.c: ^~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
encode.c: from encode.c:1:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:433:1: error: inlining failed in call to always_inline '_mm256_movemask_epi8': target specific option mismatch
encode.c: _mm256_movemask_epi8 (__m256i __A)
encode.c: ^~~~~~~~~~~~~~~~~~~~
encode.c: encode.c:31:11: note: called from here
encode.c: int32_t c6 = _mm256_movemask_epi8(b6);
encode.c: ^~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
encode.c: from encode.c:1:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:433:1: error: inlining failed in call to always_inline '_mm256_movemask_epi8': target specific option mismatch
encode.c: _mm256_movemask_epi8 (__m256i __A)
encode.c: ^~~~~~~~~~~~~~~~~~~~
encode.c: encode.c:30:11: note: called from here
encode.c: int32_t c5 = _mm256_movemask_epi8(b5);
encode.c: ^~
encode.c: ...

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