Implementation notes: amd64, h2atom, crypto_kem/ntskem1380

Computer: h2atom
Microarchitecture: amd64; Bonnell (106ca)
Architecture: amd64
CPU ID: GenuineIntel-000106ca-bfe9fbff
SUPERCOP version: 20240107
Operation: crypto_kem
Primitive: ntskem1380

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
4195204	149096 84 16	167660 964 1728	`T:sse2`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
4208959	88790 84 16	106204 964 1728	`T:sse2`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
4276062	72861 84 16	88646 956 1728	`T:sse2`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
4840370	99194 84 16	115788 964 1728	`T:sse2`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
5318096	135844 84 16	155940 964 1728	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
5435096	75174 84 16	94621 956 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240120	20231212
5484710	96520 84 16	117085 956 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240120	20231212
5568593	82802 84 16	101748 964 1728	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
5685222	65376 84 16	82686 956 1728	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
5788611	159397 84 16	179372 964 1728	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
6174451	92540 84 16	110636 964 1728	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
6266502	72270 84 16	90861 956 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240120	20231212
7895927	64874 84 16	81844 948 1760	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240120	20231212
39894580	33188 76 16	52268 948 1728	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
39929206	35074 76 16	55348 948 1728	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
48025520	22673 76 16	39966 940 1728	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
50615384	37758 76 16	58333 924 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240120	20231212
52250143	39008 76 16	59276 948 1728	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
54825159	29961 76 16	48012 948 1728	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240120	20231212
55094145	28788 76 16	48189 924 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240120	20231212
66647572	25908 76 16	44485 924 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240120	20231212
68610472	21212 76 16	38164 916 1760	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240120	20231212

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

bitslice_fft_256.c: bitslice_fft_256.c:99:25: error: always_inline function '_mm256_set_epi64x' requires target feature 'avx', but would be inlined into function 'bitslice_butterflies13_256' that is compiled without support for 'avx'
bitslice_fft_256.c: out[j][i] = _mm256_set_epi64x(-v3, -v2, -v1, -v0);
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:99:25: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
bitslice_fft_256.c: bitslice_fft_256.c:112:20: error: '__builtin_ia32_permdi256' needs target feature avx2
bitslice_fft_256.c: t[0] = _mm256_permute4x64_epi64(out[ j ][b], 0xD8);
bitslice_fft_256.c: ^
bitslice_fft_256.c: /usr/lib/llvm-14/lib/clang/14.0.0/include/avx2intrin.h:818:13: note: expanded from macro '_mm256_permute4x64_epi64'
bitslice_fft_256.c: ((__m256i)__builtin_ia32_permdi256((__v4di)(__m256i)(V), (int)(M)))
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:113:20: error: '__builtin_ia32_permdi256' needs target feature avx2
bitslice_fft_256.c: t[1] = _mm256_permute4x64_epi64(out[j+1][b], 0xD8);
bitslice_fft_256.c: ^
bitslice_fft_256.c: /usr/lib/llvm-14/lib/clang/14.0.0/include/avx2intrin.h:818:13: note: expanded from macro '_mm256_permute4x64_epi64'
bitslice_fft_256.c: ((__m256i)__builtin_ia32_permdi256((__v4di)(__m256i)(V), (int)(M)))
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:114:20: error: '__builtin_ia32_permti256' needs target feature avx2
bitslice_fft_256.c: v[b] = _mm256_permute2x128_si256(t[0], t[1], 0x20);
bitslice_fft_256.c: ^
bitslice_fft_256.c: /usr/lib/llvm-14/lib/clang/14.0.0/include/avx2intrin.h:821:13: note: expanded from macro '_mm256_permute2x128_si256'
bitslice_fft_256.c: ((__m256i)__builtin_ia32_permti256((__m256i)(V1), (__m256i)(V2), (int)(M)))
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:115:20: error: '__builtin_ia32_permti256' needs target feature avx2
bitslice_fft_256.c: u[b] = _mm256_permute2x128_si256(t[0], t[1], 0x31);
bitslice_fft_256.c: ^
bitslice_fft_256.c: ...

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

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

bitslice_bma_128.c: bitslice_bma_128.c:92:12: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'bit_reverse' that is compiled without support for 'ssse3'
bitslice_bma_128.c: return _mm_shuffle_epi8(x, _mm_set_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15));
bitslice_bma_128.c: ^
bitslice_bma_128.c: 1 error generated.

Number of similar (compiler,implementation) pairs: 2, namely:

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2 T:sse2

Compiler output

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

bitslice_fft_256.c: bitslice_fft_256.c: In function 'bitslice_butterflies13_256':
bitslice_fft_256.c: bitslice_fft_256.c:99:23: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
bitslice_fft_256.c: 99 | out[j][i] = _mm256_set_epi64x(-v3, -v2, -v1, -v0);
bitslice_fft_256.c: | ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bitslice_fft_256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:43,
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/avxintrin.h:1303:1: error: inlining failed in call to 'always_inline' '_mm256_set_epi64x': target specific option mismatch
bitslice_fft_256.c: 1303 | _mm256_set_epi64x (long long __A, long long __B, long long __C,
bitslice_fft_256.c: | ^~~~~~~~~~~~~~~~~
bitslice_fft_256.c: bitslice_fft_256.c:99:25: note: called from here
bitslice_fft_256.c: 99 | out[j][i] = _mm256_set_epi64x(-v3, -v2, -v1, -v0);
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: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: ...

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

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

Compiler output

Implementation: T:sse2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

nts_kem.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:39,
nts_kem.c: from ff.h:18,
nts_kem.c: from nts_kem.c:18:
nts_kem.c: nts_kem.c: In function 'create_matrix_G':
nts_kem.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/smmintrin.h:455:1: error: inlining failed in call to 'always_inline' '_mm_extract_epi64': target specific option mismatch
nts_kem.c: 455 | _mm_extract_epi64 (__m128i __X, const int __N)
nts_kem.c: | ^~~~~~~~~~~~~~~~~
nts_kem.c: nts_kem.c:859:57: note: called from here
nts_kem.c: 859 | v[i >> 6] |= (((_mm_extract_epi64(vh[l >> 7][j], 1) & (1ULL << (l & 63))) >> (l & 63)) << (i & 63));
nts_kem.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
nts_kem.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:39,
nts_kem.c: from ff.h:18,
nts_kem.c: from nts_kem.c:18:
nts_kem.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/smmintrin.h:455:1: error: inlining failed in call to 'always_inline' '_mm_extract_epi64': target specific option mismatch
nts_kem.c: 455 | _mm_extract_epi64 (__m128i __X, const int __N)
nts_kem.c: | ^~~~~~~~~~~~~~~~~
nts_kem.c: nts_kem.c:862:57: note: called from here
nts_kem.c: 862 | v[i >> 6] |= (((_mm_extract_epi64(vh[l >> 7][j], 0) & (1ULL << (l & 63))) >> (l & 63)) << (i & 63));
nts_kem.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
nts_kem.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:39,
nts_kem.c: from ff.h:18,
nts_kem.c: from nts_kem.c:18:
nts_kem.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/smmintrin.h:455:1: error: inlining failed in call to 'always_inline' '_mm_extract_epi64': target specific option mismatch
nts_kem.c: 455 | _mm_extract_epi64 (__m128i __X, const int __N)
nts_kem.c: | ^~~~~~~~~~~~~~~~~
nts_kem.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:sse2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:sse2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:sse2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:sse2