Implementation notes: amd64, devoptimis, crypto_encode/761x4591

Computer: devoptimis
Architecture: amd64
CPU ID: GenuineIntel-000206c2-bfebfbff
SUPERCOP version: 20190910
Operation: crypto_encode
Primitive: 761x4591

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1495	7679 0 0	19534 776 800	`portable`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
6717	846 0 0	10509 768 800	`portable`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
7135	703 0 0	12582 776 800	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
7144	859 0 0	10573 768 800	`portable`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
8939	786 0 0	9689 752 768	`portable`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
9923	649 0 0	10349 768 800	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
17296	628 0 0	10285 768 800	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
25772	571 0 0	9433 752 768	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910

Compiler output

Implementation: avx
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

encode.c: encode.c: In function 'crypto_encode_761x4591_avx':
encode.c: encode.c:20:7: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
encode.c: x = _mm256_loadu_si256((__m256i *) (R0+16*i-8));
encode.c: ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
encode.c: from encode.c:8:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:925:1: error: inlining failed in call to always_inline '_mm256_storeu_si256': target specific option mismatch
encode.c: _mm256_storeu_si256 (__m256i_u *__P, __m256i __A)
encode.c: ^~~~~~~~~~~~~~~~~~~
encode.c: encode.c:51:5: note: called from here
encode.c: _mm256_storeu_si256((__m256i *) (out+16*i-8),_mm256_permute2f128_si256(x,x2,0x20));
encode.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
encode.c: from encode.c:8:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:696:1: error: inlining failed in call to always_inline '_mm256_permute2f128_si256': target specific option mismatch
encode.c: _mm256_permute2f128_si256 (__m256i __X, __m256i __Y, const int __C)
encode.c: ^~~~~~~~~~~~~~~~~~~~~~~~~
encode.c: encode.c:51:5: note: called from here
encode.c: _mm256_storeu_si256((__m256i *) (out+16*i-8),_mm256_permute2f128_si256(x,x2,0x20));
encode.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
encode.c: from encode.c:8:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:925:1: error: inlining failed in call to always_inline '_mm256_storeu_si256': target specific option mismatch
encode.c: _mm256_storeu_si256 (__m256i_u *__P, __m256i __A)
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