Implementation notes: amd64, samba, crypto_kem/ntskem1264

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_kem
Primitive: ntskem1264
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
37831098444 6228 16120581 7124 1760T:avx2clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
401320163781 6228 16185469 7124 1856T:sse2clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
41046592992 6228 16115261 7124 1760T:sse2clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
436860105219 6228 16127199 7100 1824T:avx2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212
44642062391 6228 1682351 7116 1856T:avx2clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
45277267288 6228 1687319 7100 1824T:avx2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212
47169684871 6228 16104157 7124 1760T:avx2clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
48047767411 6228 1686895 7100 1824T:avx2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212
48164458006 6228 1677967 7116 1856T:sse2clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
54543061491 6228 1679990 7092 1792T:avx2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212
55015980066 6228 1699413 7124 1760T:sse2clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
564476141768 6228 16165029 7124 1856T:optclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
577984150971 6228 16172517 7124 1760T:sse2clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
62668797389 6228 16121039 7100 1824T:optgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212
65196855671 6228 1677391 7100 1824T:optgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212
67524291202 6228 16115029 7124 1760T:optclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
70489455507 6228 1676679 7100 1824T:optgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212
71555653374 6228 1674767 7116 1856T:optclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
724086145497 6228 16168413 7124 1760T:optclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
77624150412 6228 1670422 7092 1792T:optgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212
81191075587 6228 1696461 7124 1760T:optclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
594759752754 76 1676949 964 1760T:refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
595157238066 76 1661421 964 1760T:refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
602419558380 76 1682661 964 1856T:refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
608657255214 76 1679015 924 1824T:refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212
669835829161 76 1649981 964 1760T:refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
675407726011 76 1647679 924 1824T:refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212
693531422650 76 1644231 956 1856T:refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2023121520231212
758232320302 76 1640278 916 1792T:refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212
761276424389 76 1645535 924 1824T:refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2023121520231212

Test failure

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
error 111
Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
clang -march=native -O3 -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_fft_256.c: bitslice_fft_256.c:87:25: error: always_inline function '_mm256_set_epi64x' requires target feature 'avx', but would be inlined into function 'bitslice_butterflies12_256' that is compiled without support for 'avx'
bitslice_fft_256.c: out[i][b] = _mm256_set_epi64x(-((in[0][b] >> reversal[4*i+3]) & 1),
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:87:25: 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:99:22: error: '__builtin_ia32_pshufd256' needs target feature avx2
bitslice_fft_256.c: vb = _mm256_shuffle_epi32(tmp[b], _MM_SHUFFLE(3, 2, 3, 2));
bitslice_fft_256.c: ^
bitslice_fft_256.c: /usr/lib/llvm-14/lib/clang/14.0.0/include/avx2intrin.h:470:13: note: expanded from macro '_mm256_shuffle_epi32'
bitslice_fft_256.c: ((__m256i)__builtin_ia32_pshufd256((__v8si)(__m256i)(a), (int)(imm)))
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:100:22: error: '__builtin_ia32_pslldqi256_byteshift' needs target feature avx2
bitslice_fft_256.c: va = _mm256_slli_si256(out[k][b], 8);
bitslice_fft_256.c: ^
bitslice_fft_256.c: /usr/lib/llvm-14/lib/clang/14.0.0/include/avx2intrin.h:497:13: note: expanded from macro '_mm256_slli_si256'
bitslice_fft_256.c: ((__m256i)__builtin_ia32_pslldqi256_byteshift((__v4di)(__m256i)(a), (int)(imm)))
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:101:22: error: always_inline function '_mm256_xor_si256' requires target feature 'avx2', but would be inlined into function 'bitslice_butterflies12_256' that is compiled without support for 'avx2'
bitslice_fft_256.c: vb = _mm256_xor_si256(va, vb);
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:101:22: 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:102:29: error: always_inline function '_mm256_xor_si256' requires target feature 'avx2', but would be inlined into function 'bitslice_butterflies12_256' that is compiled without support for 'avx2'
bitslice_fft_256.c: out[k][b] = _mm256_xor_si256(out[k][b], vb);
bitslice_fft_256.c: ^
bitslice_fft_256.c: bitslice_fft_256.c:102:29: 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:112:22: error: always_inline function '_mm256_set_epi64x' requires target feature 'avx', but would be inlined into function 'bitslice_butterflies12_256' that is compiled without support for 'avx'
bitslice_fft_256.c: ...
Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -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
m4r.c: m4r.c: In function 'zero_vector':
m4r.c: m4r.c:85:20: error: incompatible types when assigning to type 'vector' {aka '__m128i'} from type '__m256i'
m4r.c: 85 | *vec_ptr = _mm256_setzero_si256(); vec_ptr++;
m4r.c: | ^~~~~~~~~~~~~~~~~~~~
m4r.c: m4r.c:86:20: error: incompatible types when assigning to type 'vector' {aka '__m128i'} from type '__m256i'
m4r.c: 86 | *vec_ptr = _mm256_setzero_si256(); vec_ptr++;
m4r.c: | ^~~~~~~~~~~~~~~~~~~~
m4r.c: m4r.c: In function '_m4ri_make_table_rev':
m4r.c: m4r.c:147:12: error: incompatible types when assigning to type 'vector' {aka '__m128i'} from type '__m256i'
m4r.c: 147 | mask = _mm256_set_epi64x(v[3], v[2], v[1], v[0]);
m4r.c: | ^~~~~~~~~~~~~~~~~
m4r.c: m4r.c:196:46: error: incompatible type for argument 1 of '_mm256_and_si256'
m4r.c: 196 | S_ptr[nblocks-1] = _mm256_and_si256(S_ptr[nblocks-1], mask);
m4r.c: | ~~~~~^~~~~~~~~~~
m4r.c: | |
m4r.c: | vector {aka __m128i}
m4r.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
m4r.c: from bits.h:28,
m4r.c: from m4r.c:26:
m4r.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:179:27: note: expected '__m256i' but argument is of type 'vector' {aka '__m128i'}
m4r.c: 179 | _mm256_and_si256 (__m256i __A, __m256i __B)
m4r.c: | ~~~~~~~~^~~
m4r.c: m4r.c:196:59: error: incompatible type for argument 2 of '_mm256_and_si256'
m4r.c: 196 | S_ptr[nblocks-1] = _mm256_and_si256(S_ptr[nblocks-1], mask);
m4r.c: | ^~~~
m4r.c: ...
Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
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