Implementation notes: amd64, gcc123, crypto_kem/mceliece6960119

Computer: gcc123
Architecture: amd64
CPU ID: GenuineIntel-000206d7-bfebfbff
SUPERCOP version: 20220213
Operation: crypto_kem
Primitive: mceliece6960119

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
824911	139446 0 0	230031 836 1744	`sse`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
924456	136905 0 0	230506 820 1712	`sse`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
933283	75233 0 0	163976 812 1712	`sse`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
934264	82307 0 0	171815 836 1744	`sse`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
938085	81434 0 0	170567 836 1744	`sse`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
943147	112833 0 0	204642 820 1712	`sse`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
946204	112833 0 0	204642 820 1712	`sse`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
1009216	74396 0 0	162247 828 1712	`sse`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
2117251	117756 0 0	211426 820 1712	`vec`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
2314158	127822 0 0	220575 836 1744	`vec`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
2366846	124692 0 0	220810 820 1712	`vec`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
2483038	92529 0 0	186834 820 1712	`vec`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
2502009	92529 0 0	186834 820 1712	`vec`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
3295146	57376 0 0	147832 812 1712	`vec`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
3564322	68002 0 0	159927 836 1744	`vec`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
3846402	69015 0 0	160559 836 1744	`vec`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
3858198	52592 0 0	142863 828 1712	`vec`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
400592617	40447 0 0	134210 820 1712	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
401104629	44641 0 0	140778 820 1712	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
406004473	39557 0 0	133970 820 1712	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
406035956	39557 0 0	133970 820 1712	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
429711163	40385 0 0	133617 844 1744	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
604690447	13979 0 0	104456 812 1712	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20211108	20211108
604797643	12100 0 0	102279 828 1712	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
606806111	15868 0 0	107751 836 1744	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108
638917598	15570 0 0	107087 836 1744	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20211108	20211108

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:

Compiler	Implementations
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:139:44: error: '__builtin_ia32_vec_ext_v4di' needs target feature avx
bm.c: out[ (4*0 + k)*16 + i ] = (vec256_extract(buf[i], 0) >> (k*16)) & GFMASK;
bm.c: ^
bm.c: ./vec256.h:41:41: note: expanded from macro 'vec256_extract'
bm.c: #define vec256_extract(a,i) ((uint64_t) _mm256_extract_epi64((vec256) (a),(i)))
bm.c: ^
bm.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/avxintrin.h:2034:14: note: expanded from macro '_mm256_extract_epi64'
bm.c: (long long)__builtin_ia32_vec_ext_v4di((__v4di)(__m256i)(X), (int)(N))
bm.c: ^
bm.c: bm.c:140:44: error: '__builtin_ia32_vec_ext_v4di' needs target feature avx
bm.c: out[ (4*1 + k)*16 + i ] = (vec256_extract(buf[i], 1) >> (k*16)) & GFMASK;
bm.c: ^
bm.c: ./vec256.h:41:41: note: expanded from macro 'vec256_extract'
bm.c: #define vec256_extract(a,i) ((uint64_t) _mm256_extract_epi64((vec256) (a),(i)))
bm.c: ^
bm.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/avxintrin.h:2034:14: note: expanded from macro '_mm256_extract_epi64'
bm.c: (long long)__builtin_ia32_vec_ext_v4di((__v4di)(__m256i)(X), (int)(N))
bm.c: ^
bm.c: bm.c:141:44: error: '__builtin_ia32_vec_ext_v4di' needs target feature avx
bm.c: out[ (4*2 + k)*16 + i ] = (vec256_extract(buf[i], 2) >> (k*16)) & GFMASK;
bm.c: ^
bm.c: ./vec256.h:41:41: note: expanded from macro 'vec256_extract'
bm.c: #define vec256_extract(a,i) ((uint64_t) _mm256_extract_epi64((vec256) (a),(i)))
bm.c: ^
bm.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/avxintrin.h:2034:14: note: expanded from macro '_mm256_extract_epi64'
bm.c: ...

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

Compiler	Implementations
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/8/include/immintrin.h:43,
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/8/include/avx2intrin.h:179:1: error: inlining failed in call to always_inline '_mm256_and_si256': target specific option mismatch
bm.c: _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:50:9: note: called from here
bm.c: return _mm256_and_si256(a, b);
bm.c: ^~~~~~~~~~~~~~~~~~~~~~

Number of similar (compiler,implementation) pairs: 8, namely:

Compiler	Implementations
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:

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	sse