Implementation notes: amd64, margaux, crypto_core/weightsntrup857

Computer: margaux
Microarchitecture: amd64; C2 65nm (6fb)
Architecture: amd64
CPU ID: GenuineIntel-000006fb-bfebfbff
SUPERCOP version: 20221122
Operation: crypto_core
Primitive: weightsntrup857

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
418	1228 0 0	15857 804 976	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529
1373	843 0 0	14780 804 912	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
1376	835 0 0	13628 804 912	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
1376	835 0 0	14972 804 912	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
1376	835 0 0	13628 804 912	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
1803	100 0 0	10954 796 912	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
1890	154 0 0	12384 796 976	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529
1970	148 0 0	12408 796 976	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529
3946	132 0 0	11324 780 944	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

weight.c: weight.c:20:9: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'xsave'
weight.c: sum = _mm256_loadu_si256((__m256i *) (in+p-32));
weight.c: ^
weight.c: weight.c:21:10: error: always_inline function '_mm256_set_epi8' requires target feature 'xsave', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'xsave'
weight.c: sum &= endingmask;
weight.c: ^
weight.c: ./params.h:2:20: note: expanded from macro 'endingmask'
weight.c: #define endingmask _mm256_set_epi8(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0)
weight.c: ^
weight.c: weight.c:24:20: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'xsave'
weight.c: __m256i bits = _mm256_loadu_si256((__m256i *) in);
weight.c: ^
weight.c: weight.c:25:13: error: always_inline function '_mm256_set1_epi8' requires target feature 'xsave', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'xsave'
weight.c: bits &= _mm256_set1_epi8(1);
weight.c: ^
weight.c: weight.c:26:11: error: always_inline function '_mm256_add_epi8' requires target feature 'xsave', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'xsave'
weight.c: sum = _mm256_add_epi8(sum,bits);
weight.c: ^
weight.c: weight.c:31:11: error: always_inline function '_mm256_srli_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'xsave'
weight.c: sumhi = _mm256_srli_epi16(sum,8);
weight.c: ^
weight.c: weight.c:32:10: error: always_inline function '_mm256_set1_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'xsave'
weight.c: sum &= _mm256_set1_epi16(0xff);
weight.c: ^
weight.c: weight.c:33:9: error: always_inline function '_mm256_add_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'xsave'
weight.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

weight.c: weight.c:20:9: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'sse4.2'
weight.c: sum = _mm256_loadu_si256((__m256i *) (in+p-32));
weight.c: ^
weight.c: weight.c:21:10: error: always_inline function '_mm256_set_epi8' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'sse4.2'
weight.c: sum &= endingmask;
weight.c: ^
weight.c: ./params.h:2:20: note: expanded from macro 'endingmask'
weight.c: #define endingmask _mm256_set_epi8(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0)
weight.c: ^
weight.c: weight.c:24:20: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'sse4.2'
weight.c: __m256i bits = _mm256_loadu_si256((__m256i *) in);
weight.c: ^
weight.c: weight.c:25:13: error: always_inline function '_mm256_set1_epi8' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'sse4.2'
weight.c: bits &= _mm256_set1_epi8(1);
weight.c: ^
weight.c: weight.c:26:11: error: always_inline function '_mm256_add_epi8' requires target feature 'avx2', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'avx2'
weight.c: sum = _mm256_add_epi8(sum,bits);
weight.c: ^
weight.c: weight.c:31:11: error: always_inline function '_mm256_srli_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'avx2'
weight.c: sumhi = _mm256_srli_epi16(sum,8);
weight.c: ^
weight.c: weight.c:32:10: error: always_inline function '_mm256_set1_epi16' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'sse4.2'
weight.c: sum &= _mm256_set1_epi16(0xff);
weight.c: ^
weight.c: weight.c:33:9: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_core_weightsntrup857_avx_constbranchindex' that is compiled without support for 'avx2'
weight.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

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

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

weight.c: weight.c: In function 'crypto_core_weightsntrup857_avx_constbranchindex':
weight.c: weight.c:20:7: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
weight.c: sum = _mm256_loadu_si256((__m256i *) (in+p-32));
weight.c: ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
weight.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
weight.c: from weight.c:1:
weight.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:1278:1: error: inlining failed in call to always_inline '_mm256_set_epi8': target specific option mismatch
weight.c: _mm256_set_epi8 (char __q31, char __q30, char __q29, char __q28,
weight.c: ^~~~~~~~~~~~~~~
weight.c: In file included from weight.c:10:0:
weight.c: params.h:2:20: note: called from here
weight.c: #define endingmask _mm256_set_epi8(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0)
weight.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
weight.c: weight.c:21:10: note: in expansion of macro 'endingmask'
weight.c: sum &= endingmask;
weight.c: ^~~~~~~~~~
weight.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
weight.c: from weight.c:1:
weight.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:920:1: error: inlining failed in call to always_inline '_mm256_loadu_si256': target specific option mismatch
weight.c: _mm256_loadu_si256 (__m256i_u const *__P)
weight.c: ^~~~~~~~~~~~~~~~~~
weight.c: weight.c:20:7: note: called from here
weight.c: sum = _mm256_loadu_si256((__m256i *) (in+p-32));
weight.c: ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
weight.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
weight.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx