Implementation notes: amd64, h6sandy, crypto_kem/ntskem13136

Computer: h6sandy
Microarchitecture: amd64; Sandy Bridge (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_kem
Primitive: ntskem13136

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
2662893	108444 84 16	125895 956 1792	`T:sse2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	20231212
2672322	81643 84 16	97455 956 1792	`T:sse2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	20231212
2762884	84047 84 16	100327 956 1792	`T:sse2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	20231212
3214934	101556 84 16	118805 980 1728	`T:sse2`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
3366014	179974 84 16	199037 980 1728	`T:sse2`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
3484451	103476 84 16	119253 980 1728	`T:sse2`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
3560738	76708 84 16	91550 948 1760	`T:sse2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	20231212
3829868	171189 84 16	191757 980 1728	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
3993964	77441 84 16	92863 972 1728	`T:sse2`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
3999341	76636 84 16	94535 956 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	20231212
4048515	104090 84 16	123263 956 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	20231212
4236952	74060 84 16	91511 956 1792	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	20231212
4237385	165809 84 16	185109 980 1728	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
4599720	102881 84 16	121421 980 1728	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
4747910	99438 84 16	116725 980 1728	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
4838617	69968 84 16	86246 948 1760	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	20231212
4912601	75100 84 16	91799 972 1728	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
32209556	40320 76 16	59309 964 1728	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
32245523	41643 76 16	62589 964 1728	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
33986090	22905 76 16	39847 956 1728	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
34300213	38672 76 16	58277 964 1728	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
38295407	34322 76 16	53463 924 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	20231212
38477813	29574 76 16	46853 964 1728	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231220	20231212
40695115	27013 76 16	44879 924 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	20231212
41647787	24333 76 16	41719 924 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	20231212
41694889	21047 76 16	37286 916 1760	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231220	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: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: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: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-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: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: /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:144:20: 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: /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:145:20: error: '__builtin_ia32_permdi256' needs target feature avx2
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-14/lib/clang/14.0.0/include/tmmintrin.h:152:13: 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: 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:19:
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: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: bitslice_fft_256.c:145:20: note: called from here
bitslice_fft_256.c: 145 | u[b] = _mm256_permute4x64_epi64(u[b], 0xD8);
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:19:
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:144:20: note: called from here
bitslice_fft_256.c: 144 | 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:19:
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 (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