Implementation notes: amd64, hydra7, crypto_kem/kyber90s768

Computer: hydra7
Microarchitecture: amd64; Sandy Bridge+AES (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240425
Operation: crypto_kem
Primitive: kyber90s768

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1151608	57330 0 0	75685 812 1760	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
1243173	43219 0 0	60429 812 1760	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
1355932	43023 0 0	59861 812 1760	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425
1732768	41271 0 0	56941 804 1728	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240427	20240425

Compiler output

Implementation: avx2
Security model: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

cbd.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
cbd.c: from cbd.c:2:
cbd.c: cbd.c: In function 'cbd2':
cbd.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:440:1: error: inlining failed in call to 'always_inline' '_mm256_cvtepi8_epi16': target specific option mismatch
cbd.c: 440 | _mm256_cvtepi8_epi16 (__m128i __X)
cbd.c: | ^~~~~~~~~~~~~~~~~~~~
cbd.c: cbd.c:51:10: note: called from here
cbd.c: 51 | f3 = _mm256_cvtepi8_epi16(_mm256_extracti128_si256(f3,1));
cbd.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cbd.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
cbd.c: from cbd.c:2:
cbd.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:1096:1: error: inlining failed in call to 'always_inline' '_mm256_extracti128_si256': target specific option mismatch
cbd.c: 1096 | _mm256_extracti128_si256 (__m256i __X, const int __M)
cbd.c: | ^~~~~~~~~~~~~~~~~~~~~~~~
cbd.c: cbd.c:51:10: note: called from here
cbd.c: 51 | f3 = _mm256_cvtepi8_epi16(_mm256_extracti128_si256(f3,1));
cbd.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cbd.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
cbd.c: from cbd.c:2:
cbd.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:440:1: error: inlining failed in call to 'always_inline' '_mm256_cvtepi8_epi16': target specific option mismatch
cbd.c: 440 | _mm256_cvtepi8_epi16 (__m128i __X)
cbd.c: | ^~~~~~~~~~~~~~~~~~~~
cbd.c: cbd.c:50:10: note: called from here
cbd.c: 50 | f2 = _mm256_cvtepi8_epi16(_mm256_castsi256_si128(f3));
cbd.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cbd.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2