Implementation notes: amd64, devoptimis, crypto_core/invsntrup857

Computer: devoptimis
Architecture: amd64
CPU ID: GenuineIntel-000206c2-bfebfbff
SUPERCOP version: 20190910
Operation: crypto_core
Primitive: invsntrup857

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
20692591	2379 0 0	15472 784 832	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
72678080	1042 0 0	11805 768 832	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
83130914	1105 0 0	11917 768 832	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
123477990	868 0 0	10805 760 800	`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

recip.c: recip.c: In function 'montproduct':
recip.c: recip.c:72:1: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
recip.c: {
recip.c: ^
recip.c: recip.c:71:23: note: The ABI for passing parameters with 32-byte alignment has changed in GCC 4.6
recip.c: static inline __m256i montproduct(__m256i x,__m256i y,__m256i yqinv)
recip.c: ^~~~~~~~~~~
recip.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
recip.c: from recip.c:1:
recip.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:808:1: error: inlining failed in call to always_inline '_mm256_sub_epi16': target specific option mismatch
recip.c: _mm256_sub_epi16 (__m256i __A, __m256i __B)
recip.c: ^~~~~~~~~~~~~~~~
recip.c: recip.c:78:10: note: called from here
recip.c: return _mm256_sub_epi16(hi,e);
recip.c: ^~~~~~~~~~~~~~~~~~~~~~
recip.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
recip.c: from recip.c:1:
recip.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:546:1: error: inlining failed in call to always_inline '_mm256_mulhi_epi16': target specific option mismatch
recip.c: _mm256_mulhi_epi16 (__m256i __A, __m256i __B)
recip.c: ^~~~~~~~~~~~~~~~~~
recip.c: recip.c:77:5: note: called from here
recip.c: e = _mm256_mulhi_epi16(d,qvec);
recip.c: ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
recip.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
recip.c: from recip.c:1:
recip.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