Implementation notes: amd64, hydra7, crypto_encode/857xfreeze3

Computer: hydra7
Microarchitecture: amd64; Sandy Bridge+AES (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_encode
Primitive: 857xfreeze3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
841	809 0 0	13125 804 960	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231212	20231212
3079	131 0 0	9960 780 928	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231212	20231212
3599	146 0 0	11253 804 960	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231212	20231212
3663	140 0 0	10940 796 960	`ref`	`gcc_-march=native_-mtune=native_-O_-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

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_857xfreeze3_avx_constbranchindex':
encode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:808:1: error: inlining failed in call to 'always_inline' '_mm256_sub_epi16': target specific option mismatch
encode.c: 808 | _mm256_sub_epi16 (__m256i __A, __m256i __B)
encode.c: | ^~~~~~~~~~~~~~~~
encode.c: encode.c:19:11: note: called from here
encode.c: 19 | x = _mm256_sub_epi16(x,y);
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:112:1: error: inlining failed in call to 'always_inline' '_mm256_add_epi16': target specific option mismatch
encode.c: 112 | _mm256_add_epi16 (__m256i __A, __m256i __B)
encode.c: | ^~~~~~~~~~~~~~~~
encode.c: encode.c:18:11: note: called from here
encode.c: 18 | y = _mm256_add_epi16(y,y);
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:808:1: error: inlining failed in call to 'always_inline' '_mm256_sub_epi16': target specific option mismatch
encode.c: 808 | _mm256_sub_epi16 (__m256i __A, __m256i __B)
encode.c: | ^~~~~~~~~~~~~~~~
encode.c: encode.c:17:11: note: called from here
encode.c: 17 | x = _mm256_sub_epi16(x,y);
encode.c: | ^~~~~~~~~~~~~~~~~~~~~
encode.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