Implementation notes: amd64, hydra7, crypto_decode/857x3

Computer: hydra7
Microarchitecture: amd64; Sandy Bridge+AES (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_decode
Primitive: 857x3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
920	1234 0 0	13589 804 960	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231212	20231212
1370	190 0 0	11285 804 960	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231212	20231212
1524	186 0 0	10988 796 960	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231212	20231212
1594	173 0 0	9960 780 928	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231212	20231212

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/11/include/immintrin.h:47,
decode.c: from decode.c:1:
decode.c: decode.c: In function 'crypto_decode_857x3_avx_constbranchindex':
decode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:105:1: error: inlining failed in call to 'always_inline' '_mm256_add_epi8': target specific option mismatch
decode.c: 105 | _mm256_add_epi8 (__m256i __A, __m256i __B)
decode.c: | ^~~~~~~~~~~~~~~
decode.c: decode.c:56:10: note: called from here
decode.c: 56 | f3 = _mm256_add_epi8(f3,_mm256_set1_epi8(-1));
decode.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
decode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
decode.c: from decode.c:1:
decode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:105:1: error: inlining failed in call to 'always_inline' '_mm256_add_epi8': target specific option mismatch
decode.c: 105 | _mm256_add_epi8 (__m256i __A, __m256i __B)
decode.c: | ^~~~~~~~~~~~~~~
decode.c: decode.c:55:10: note: called from here
decode.c: 55 | f2 = _mm256_add_epi8(f2,_mm256_set1_epi8(-1));
decode.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
decode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
decode.c: from decode.c:1:
decode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:105:1: error: inlining failed in call to 'always_inline' '_mm256_add_epi8': target specific option mismatch
decode.c: 105 | _mm256_add_epi8 (__m256i __A, __m256i __B)
decode.c: | ^~~~~~~~~~~~~~~
decode.c: decode.c:54:10: note: called from here
decode.c: 54 | 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