Implementation notes: amd64, cherry, crypto_kem/ntskem13136

Computer: cherry
Microarchitecture: amd64; Silvermont (406c4)
Architecture: amd64
CPU ID: GenuineIntel-000406c4-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_kem
Primitive: ntskem13136

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
6008476	96022 84 16	112480 940 1720	`T:sse2`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
6070066	82518 84 16	98256 940 1720	`T:sse2`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
6178533	98656 84 16	115834 948 1720	`T:sse2`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
6258367	126154 84 16	144890 948 1720	`T:sse2`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
6353355	110320 84 16	128826 932 1784	`T:sse2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
7234918	74921 84 16	90497 924 1752	`T:sse2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
7710415	84063 84 16	100938 932 1784	`T:sse2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
7862795	86276 84 16	103642 932 1784	`T:sse2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
7869176	77328 84 16	96370 932 1784	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
7925416	104115 84 16	124258 932 1784	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
8491737	147774 84 16	167546 948 1720	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
9078522	118924 84 16	139170 948 1720	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
9333313	90299 84 16	108320 940 1720	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
9507686	68553 84 16	85537 924 1752	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
9543526	75048 84 16	93514 932 1784	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
9593529	77260 84 16	94480 940 1720	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
10378971	96370 84 16	114978 948 1720	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
57444609	34684 76 16	53482 932 1720	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
57619993	36593 76 16	57042 932 1720	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
61536673	22183 76 16	39440 924 1720	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
63116628	44212 76 16	64266 932 1720	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	20231212
65724894	37161 76 16	57250 900 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
66473792	27238 76 16	46194 900 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
67466908	24324 76 16	42762 900 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
68367560	19924 76 16	36825 892 1752	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231223	20231212
69806141	24507 76 16	42504 924 1720	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231223	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:103:29: error: always_inline function '_mm256_setr_epi32' requires target feature 'avx', but would be inlined into function 'bitslice_butterflies13_256' that is compiled without support for 'avx'
bitslice_fft_256.c: const __m256i mask256 = _mm256_setr_epi32(0, 2, 4, 6, 1, 3, 5, 7);
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:103:29: 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:127:25: error: always_inline function '_mm256_set_epi32' 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_epi32(-u32[7], -u32[6], -u32[5], -u32[4],
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:127:25: 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:140:20: error: always_inline function '_mm256_permutevar8x32_epi32' requires target feature 'avx2', but would be inlined into function 'bitslice_butterflies13_256' that is compiled without support for 'avx2'
bitslice_fft_256.c: t[0] = _mm256_permutevar8x32_epi32(out[ j ][b], mask256);
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:140:20: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
bitslice_fft_256.c: bitslice_fft_256.c:141:20: error: always_inline function '_mm256_permutevar8x32_epi32' requires target feature 'avx2', but would be inlined into function 'bitslice_butterflies13_256' that is compiled without support for 'avx2'
bitslice_fft_256.c: t[1] = _mm256_permutevar8x32_epi32(out[j+1][b], mask256);
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:141:20: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
bitslice_fft_256.c: bitslice_fft_256.c:142:20: 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-11/lib/clang/11.0.1/include/avx2intrin.h:821:12: 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:143:20: error: '__builtin_ia32_permdi256' needs target feature avx2
bitslice_fft_256.c: v[b] = _mm256_permute4x64_epi64(v[b], 0xD8);
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:315:21: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'bitslice_bma' that is compiled without support for 'ssse3'
bitslice_bma_128.c: out[1][j] = _mm_shuffle_epi8(out[0][j], mask);
bitslice_bma_128.c: ^
bitslice_bma_128.c: bitslice_bma_128.c:316:21: error: '__builtin_ia32_palignr128' needs target feature ssse3
bitslice_bma_128.c: out[0][j] = _mm_alignr_epi8(out[0][j], psi[0][j], 15);
bitslice_bma_128.c: ^
bitslice_bma_128.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/tmmintrin.h:148:12: note: expanded from macro '_mm_alignr_epi8'
bitslice_bma_128.c: (__m128i)__builtin_ia32_palignr128((__v16qi)(__m128i)(a), \
bitslice_bma_128.c: ^
bitslice_bma_128.c: 2 errors 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:103:19: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
bitslice_fft_256.c: 103 | const __m256i mask256 = _mm256_setr_epi32(0, 2, 4, 6, 1, 3, 5, 7);
bitslice_fft_256.c: | ^~~~~~~
bitslice_fft_256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:51,
bitslice_fft_256.c: from bitslice_fft_256.h:21,
bitslice_fft_256.c: from bitslice_fft_256.c:19:
bitslice_fft_256.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avxintrin.h:1364:1: error: inlining failed in call to 'always_inline' '_mm256_setr_epi32': target specific option mismatch
bitslice_fft_256.c: 1364 | _mm256_setr_epi32 (int __A, int __B, int __C, int __D,
bitslice_fft_256.c: | ^~~~~~~~~~~~~~~~~
bitslice_fft_256.c: bitslice_fft_256.c:103:29: note: called from here
bitslice_fft_256.c: 103 | const __m256i mask256 = _mm256_setr_epi32(0, 2, 4, 6, 1, 3, 5, 7);
bitslice_fft_256.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bitslice_fft_256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:51,
bitslice_fft_256.c: from bitslice_fft_256.h:21,
bitslice_fft_256.c: from bitslice_fft_256.c:19:
bitslice_fft_256.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avxintrin.h:1258:1: error: inlining failed in call to 'always_inline' '_mm256_set_epi32': target specific option mismatch
bitslice_fft_256.c: 1258 | _mm256_set_epi32 (int __A, int __B, int __C, int __D,
bitslice_fft_256.c: | ^~~~~~~~~~~~~~~~
bitslice_fft_256.c: bitslice_fft_256.c:127:25: note: called from here
bitslice_fft_256.c: 127 | out[j][i] = _mm256_set_epi32(-u32[7], -u32[6], -u32[5], -u32[4],
bitslice_fft_256.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bitslice_fft_256.c: 128 | -u32[3], -u32[2], -u32[1], -u32[0]);
bitslice_fft_256.c: | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bitslice_fft_256.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:53,
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