Implementation notes: amd64, hydra7, crypto_encode/256x2

Computer: hydra7
Microarchitecture: amd64; Sandy Bridge+AES (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_encode
Primitive: 256x2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1339	145 0 0	11269 804 960	`ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1341	145 0 0	12517 804 960	`ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1408	138 0 0	9928 780 928	`ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1410	149 0 0	10956 796 960	`ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625

Compiler output

encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
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/11/include/avx2intrin.h:433:1: error: inlining failed in call to 'always_inline' '_mm256_movemask_epi8': target specific option mismatch
encode.c:   433 | _mm256_movemask_epi8 (__m256i __A)
encode.c:       | ^~~~~~~~~~~~~~~~~~~~
encode.c: encode.c:32:16: note: called from here
encode.c:    32 |   int32_t c7 = _mm256_movemask_epi8(b7);
encode.c:       |                ^~~~~~~~~~~~~~~~~~~~~~~~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
encode.c:                  from encode.c:1:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:433:1: error: inlining failed in call to 'always_inline' '_mm256_movemask_epi8': target specific option mismatch
encode.c:   433 | _mm256_movemask_epi8 (__m256i __A)
encode.c:       | ^~~~~~~~~~~~~~~~~~~~
encode.c: encode.c:31:16: note: called from here
encode.c:    31 |   int32_t c6 = _mm256_movemask_epi8(b6);
encode.c:       |                ^~~~~~~~~~~~~~~~~~~~~~~~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
encode.c:                  from encode.c:1:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:433:1: error: inlining failed in call to 'always_inline' '_mm256_movemask_epi8': target specific option mismatch
encode.c:   433 | _mm256_movemask_epi8 (__m256i __A)
encode.c:       | ^~~~~~~~~~~~~~~~~~~~
encode.c: encode.c:30:16: note: called from here
encode.c:    30 |   int32_t c5 = _mm256_movemask_epi8(b5);
encode.c:       |                ^~~~~~~~~~~~~~~~~~~~~~~~
encode.c: ...

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

Implementation	Compiler
`avx`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`avx`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`avx`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`avx`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Passed TIMECOP

TIMECOP iterations: 10

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

Implementation	Compiler
`ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`