Implementation notes: amd64, hydra7, crypto_kem/ntskem1380

Computer: hydra7
Microarchitecture: amd64; Sandy Bridge+AES (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_kem
Primitive: ntskem1380

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1390374	93408 84 16	111111 956 1792	`T:sse2`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625
1436772	78468 84 16	94975 956 1792	`T:sse2`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625
1444732	76243 84 16	92287 956 1792	`T:sse2`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625
1935904	89321 84 16	108703 956 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625
1952084	70984 84 16	89135 956 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625
1972508	68386 84 16	86039 956 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625
2484783	71620 84 16	86470 948 1760	`T:sse2`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625
2974946	64360 84 16	80678 948 1760	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625
18509390	34150 76 16	53527 924 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625
20392702	26940 76 16	45079 924 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625
21428228	24267 76 16	41911 924 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625
21956290	21035 76 16	37286 916 1760	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240630	20240625

Compiler output

bitslice_fft_256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
bitslice_fft_256.c:                  from bitslice_fft_256.h:21,
bitslice_fft_256.c:                  from bitslice_fft_256.c:18:
bitslice_fft_256.c: bitslice_fft_256.c: In function 'bitslice_butterflies13_256':
bitslice_fft_256.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:1084:1: error: inlining failed in call to 'always_inline' '_mm256_permute2x128_si256': target specific option mismatch
bitslice_fft_256.c:  1084 | _mm256_permute2x128_si256 (__m256i __X, __m256i __Y, const int __M)
bitslice_fft_256.c:       | ^~~~~~~~~~~~~~~~~~~~~~~~~
bitslice_fft_256.c: bitslice_fft_256.c:115:20: note: called from here
bitslice_fft_256.c:   115 |             u[b] = _mm256_permute2x128_si256(t[0], t[1], 0x31);
bitslice_fft_256.c:       |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bitslice_fft_256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
bitslice_fft_256.c:                  from bitslice_fft_256.h:21,
bitslice_fft_256.c:                  from bitslice_fft_256.c:18:
bitslice_fft_256.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:1084:1: error: inlining failed in call to 'always_inline' '_mm256_permute2x128_si256': target specific option mismatch
bitslice_fft_256.c:  1084 | _mm256_permute2x128_si256 (__m256i __X, __m256i __Y, const int __M)
bitslice_fft_256.c:       | ^~~~~~~~~~~~~~~~~~~~~~~~~
bitslice_fft_256.c: bitslice_fft_256.c:114:20: note: called from here
bitslice_fft_256.c:   114 |             v[b] = _mm256_permute2x128_si256(t[0], t[1], 0x20);
bitslice_fft_256.c:       |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bitslice_fft_256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
bitslice_fft_256.c:                  from bitslice_fft_256.h:21,
bitslice_fft_256.c:                  from bitslice_fft_256.c:18:
bitslice_fft_256.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:1071:1: error: inlining failed in call to 'always_inline' '_mm256_permute4x64_epi64': target specific option mismatch
bitslice_fft_256.c:  1071 | _mm256_permute4x64_epi64 (__m256i __X, const int __M)
bitslice_fft_256.c:       | ^~~~~~~~~~~~~~~~~~~~~~~~
bitslice_fft_256.c: ...

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

Implementation	Compiler
`T:avx2`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:avx2`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:avx2`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:avx2`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`