Implementation notes: amd64, gcc123, crypto_decode/761x3

Computer: gcc123
Architecture: amd64
CPU ID: GenuineIntel-000206d7-bfebfbff
SUPERCOP version: 20220213
Operation: crypto_decode
Primitive: 761x3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
311	1364 0 0	13239 828 912	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210114	20210114
1238	147 0 0	13394 812 912	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210114	20210114
1238	147 0 0	15090 812 912	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210114	20210114
1238	147 0 0	13394 812 912	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210114	20210114
1238	147 0 0	13034 812 880	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210114	20210114
1350	150 0 0	10486 820 912	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210114	20210114
1364	146 0 0	10350 820 912	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210114	20210114
1402	126 0 0	9832 804 880	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210114	20210114
1430	129 0 0	9394 804 912	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210114	20210114

Compiler output

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

decode.c: decode.c:22:18: error: always_inline function '_mm256_srli_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i s1 = _mm256_srli_epi16(s0&_mm256_set1_epi8(-16),4);
decode.c: ^
decode.c: decode.c:25:18: error: always_inline function '_mm256_unpacklo_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i a0 = _mm256_unpacklo_epi8(s0,s1);
decode.c: ^
decode.c: decode.c:28:18: error: always_inline function '_mm256_unpackhi_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i a1 = _mm256_unpackhi_epi8(s0,s1);
decode.c: ^
decode.c: decode.c:32:18: error: always_inline function '_mm256_srli_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i a2 = _mm256_srli_epi16(a0&_mm256_set1_epi8(12),2);
decode.c: ^
decode.c: decode.c:33:18: error: always_inline function '_mm256_srli_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i a3 = _mm256_srli_epi16(a1&_mm256_set1_epi8(12),2);
decode.c: ^
decode.c: decode.c:37:18: error: always_inline function '_mm256_unpacklo_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i b0 = _mm256_unpacklo_epi8(a0,a2);
decode.c: ^
decode.c: decode.c:41:18: error: always_inline function '_mm256_unpackhi_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i b2 = _mm256_unpackhi_epi8(a0,a2);
decode.c: ^
decode.c: decode.c:43:18: error: always_inline function '_mm256_unpacklo_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i b1 = _mm256_unpacklo_epi8(a1,a3);
decode.c: ^
decode.c: decode.c:45:18: error: always_inline function '_mm256_unpackhi_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: ...

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

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

decode.c: decode.c:18:18: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx'
decode.c: __m256i s0 = _mm256_loadu_si256((const __m256i *) s);
decode.c: ^
decode.c: decode.c:22:18: error: always_inline function '_mm256_srli_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i s1 = _mm256_srli_epi16(s0&_mm256_set1_epi8(-16),4);
decode.c: ^
decode.c: decode.c:22:39: error: always_inline function '_mm256_set1_epi8' requires target feature 'avx', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx'
decode.c: __m256i s1 = _mm256_srli_epi16(s0&_mm256_set1_epi8(-16),4);
decode.c: ^
decode.c: decode.c:23:11: error: always_inline function '_mm256_set1_epi8' requires target feature 'avx', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx'
decode.c: s0 &= _mm256_set1_epi8(15);
decode.c: ^
decode.c: decode.c:25:18: error: always_inline function '_mm256_unpacklo_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i a0 = _mm256_unpacklo_epi8(s0,s1);
decode.c: ^
decode.c: decode.c:28:18: error: always_inline function '_mm256_unpackhi_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i a1 = _mm256_unpackhi_epi8(s0,s1);
decode.c: ^
decode.c: decode.c:32:18: error: always_inline function '_mm256_srli_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: __m256i a2 = _mm256_srli_epi16(a0&_mm256_set1_epi8(12),2);
decode.c: ^
decode.c: decode.c:32:39: error: always_inline function '_mm256_set1_epi8' requires target feature 'avx', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx'
decode.c: __m256i a2 = _mm256_srli_epi16(a0&_mm256_set1_epi8(12),2);
decode.c: ^
decode.c: decode.c:33:18: error: always_inline function '_mm256_srli_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_decode_761x3_avx_constbranchindex' that is compiled without support for 'avx2'
decode.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
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

decode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/8/include/immintrin.h:43,
decode.c: from decode.c:1:
decode.c: decode.c: In function 'crypto_decode_761x3_avx_constbranchindex':
decode.c: /usr/lib/gcc/x86_64-linux-gnu/8/include/avx2intrin.h:105:1: error: inlining failed in call to always_inline '_mm256_add_epi8': target specific option mismatch
decode.c: _mm256_add_epi8 (__m256i __A, __m256i __B)
decode.c: ^~~~~~~~~~~~~~~
decode.c: decode.c:56:10: note: called from here
decode.c: f3 = _mm256_add_epi8(f3,_mm256_set1_epi8(-1));
decode.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
decode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/8/include/immintrin.h:43,
decode.c: from decode.c:1:
decode.c: /usr/lib/gcc/x86_64-linux-gnu/8/include/avx2intrin.h:105:1: error: inlining failed in call to always_inline '_mm256_add_epi8': target specific option mismatch
decode.c: _mm256_add_epi8 (__m256i __A, __m256i __B)
decode.c: ^~~~~~~~~~~~~~~
decode.c: decode.c:55:10: note: called from here
decode.c: f2 = _mm256_add_epi8(f2,_mm256_set1_epi8(-1));
decode.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
decode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/8/include/immintrin.h:43,
decode.c: from decode.c:1:
decode.c: /usr/lib/gcc/x86_64-linux-gnu/8/include/avx2intrin.h:105:1: error: inlining failed in call to always_inline '_mm256_add_epi8': target specific option mismatch
decode.c: _mm256_add_epi8 (__m256i __A, __m256i __B)
decode.c: ^~~~~~~~~~~~~~~
decode.c: decode.c:54:10: note: called from here
decode.c: f1 = _mm256_add_epi8(f1,_mm256_set1_epi8(-1));
decode.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
decode.c: ...

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

Compiler	Implementations
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