Implementation notes: amd64, h6sandy, crypto_kem/mceliece460896pcf

Computer: h6sandy
Microarchitecture: amd64; Sandy Bridge (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240425
Operation: crypto_kem
Primitive: mceliece460896pcf
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
616960136571 0 0228332 820 1760ssegcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425
623247114053 0 0205494 860 1728sseclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
626522137160 0 0230430 860 1728sseclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
70029284055 0 0174078 860 1728sseclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
70103086309 0 0177100 820 1760ssegcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425
70858479553 0 0169664 852 1728sseclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
71039380788 0 0171164 820 1760ssegcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425
74932476634 0 0165652 812 1728ssegcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425
1990848102221 0 0196060 820 1760vecgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425
2038217121898 0 0216422 860 1728vecclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
2051496126279 0 0221982 860 1728vecclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
217746690617 0 0184526 860 1728vecclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
267234062097 0 0154518 860 1728vecclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
317915865125 0 0158244 820 1760vecgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425
326882062609 0 0154272 852 1728vecclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
332953063431 0 0156260 820 1760vecgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425
345854154942 0 0146388 812 1728vecgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425
21043382548913 0 0143624 868 1728refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
21273489119205 0 0111210 860 1728refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
21280927934898 0 0129230 828 1760refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425
21489524338637 0 0132622 860 1728refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
21744745155074 0 0150982 860 1728refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
31676309218564 0 0111790 828 1760refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425
32065564616929 0 0109406 860 1728refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024050220240425
33219020014406 0 0105846 820 1728refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425
33756898317275 0 0109988 820 1760refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024050220240425

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
bm.c: bm.c:71:2: error: always_inline function '_mm256_slli_epi64' requires target feature 'avx2', but would be inlined into function 'interleave' that is compiled without support for 'avx2'
bm.c: vec256_sll_4x(vec256_and(in[idx1], mask[0]), s));
bm.c: ^
bm.c: ./vec256.h:63:39: note: expanded from macro 'vec256_sll_4x'
bm.c: #define vec256_sll_4x(a, s) ((vec256) _mm256_slli_epi64((vec256) (a), (s)))
bm.c: ^
bm.c: bm.c:73:16: error: always_inline function '_mm256_srli_epi64' requires target feature 'avx2', but would be inlined into function 'interleave' that is compiled without support for 'avx2'
bm.c: y = vec256_or(vec256_srl_4x(vec256_and(in[idx0], mask[1]), s),
bm.c: ^
bm.c: ./vec256.h:64:39: note: expanded from macro 'vec256_srl_4x'
bm.c: #define vec256_srl_4x(a, s) ((vec256) _mm256_srli_epi64((vec256) (a), (s)))
bm.c: ^
bm.c: ./vec256.h:60:9: error: always_inline function '_mm256_or_si256' requires target feature 'avx2', but would be inlined into function 'vec256_or' that is compiled without support for 'avx2'
bm.c: return _mm256_or_si256(a, b);
bm.c: ^
bm.c: ./vec256.h:50:9: error: always_inline function '_mm256_and_si256' requires target feature 'avx2', but would be inlined into function 'vec256_and' that is compiled without support for 'avx2'
bm.c: return _mm256_and_si256(a, b);
bm.c: ^
bm.c: 4 errors generated.

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx T:avx
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx T:avx
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx T:avx
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx T:avx

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
bm.c: bm.c:90:37: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: for (i = 13; i < 16; i++) buf[i] = vec256_setzero();
bm.c: ^
bm.c: bm.c:92:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[0][0] = vec256_set1_16b(0x5555);
bm.c: ^
bm.c: bm.c:93:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[0][1] = vec256_set1_16b(0xAAAA);
bm.c: ^
bm.c: bm.c:94:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[1][0] = vec256_set1_16b(0x3333);
bm.c: ^
bm.c: bm.c:95:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[1][1] = vec256_set1_16b(0xCCCC);
bm.c: ^
bm.c: bm.c:96:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[2][0] = vec256_set1_16b(0x0F0F);
bm.c: ^
bm.c: bm.c:97:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[2][1] = vec256_set1_16b(0xF0F0);
bm.c: ^
bm.c: bm.c:98:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[3][0] = vec256_set1_16b(0x00FF);
bm.c: ^
bm.c: bm.c:99:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: ...

Number of similar (compiler,implementation) pairs: 2, namely:
CompilerImplementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE avx T:avx

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
bm.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
bm.c: from vec256.h:16,
bm.c: from bm.h:11,
bm.c: from bm.c:13:
bm.c: vec256.h: In function 'vec256_and':
bm.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:179:1: error: inlining failed in call to 'always_inline' '_mm256_and_si256': target specific option mismatch
bm.c: 179 | _mm256_and_si256 (__m256i __A, __m256i __B)
bm.c: | ^~~~~~~~~~~~~~~~
bm.c: In file included from bm.h:11,
bm.c: from bm.c:13:
bm.c: vec256.h:50:16: note: called from here
bm.c: 50 | return _mm256_and_si256(a, b);
bm.c: | ^~~~~~~~~~~~~~~~~~~~~~

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE avx T:avx
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE avx T:avx
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE avx T:avx
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE avx T:avx

Compiler output

Implementation: sse
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
decrypt.c: In file included from decrypt.c:8:
decrypt.c: In file included from ./fft_tr.h:10:
decrypt.c: ./vec128.h:40:9: error: always_inline function '_mm_testz_si128' requires target feature 'sse4.1', but would be inlined into function 'vec128_testz' that is compiled without support for 'sse4.1'
decrypt.c: return _mm_testz_si128(a, a);
decrypt.c: ^
decrypt.c: 1 error generated.

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE sse