Implementation notes: amd64, margaux, crypto_core/wforcesntrup761

Computer: margaux
Microarchitecture: amd64; C2 65nm (6fb)
Architecture: amd64
CPU ID: GenuineIntel-000006fb-bfebfbff
SUPERCOP version: 20221122
Operation: crypto_core
Primitive: wforcesntrup761

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
746	3040 0 0	19593 804 976	`ref2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529
749	3040 0 0	19593 804 976	`simpler`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529
909	1533 0 0	21076 804 912	`ref2`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
909	1533 0 0	16196 804 912	`ref2`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
909	1533 0 0	16196 804 912	`simpler`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
909	1533 0 0	16196 804 912	`simpler`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
916	1533 0 0	20836 804 912	`ref2`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
919	1533 0 0	21076 804 912	`simpler`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
920	1533 0 0	16196 804 912	`ref2`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
924	1549 0 0	20852 804 912	`simpler`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
1136	4105 0 0	19369 804 976	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210503	20210423
1685	1726 0 0	15084 804 912	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210503	20210423
1686	1726 0 0	19964 804 912	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210503	20210423
1690	1726 0 0	15084 804 912	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210503	20210423
1691	1742 0 0	19740 804 912	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210503	20210423
2057	202 0 0	12930 796 912	`ref2`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
2061	207 0 0	12930 796 912	`simpler`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
2091	263 0 0	14400 796 976	`ref2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529
2114	267 0 0	14416 796 976	`simpler`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529
2122	262 0 0	14432 796 976	`ref2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529
2145	270 0 0	14432 796 976	`simpler`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529
3265	155 0 0	11562 796 912	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210503	20210423
3425	164 0 0	12968 796 976	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210503	20210423
3475	168 0 0	13000 796 976	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210503	20210423
4009	238 0 0	13260 780 944	`ref2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529
4012	245 0 0	13276 780 944	`simpler`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210530	20210529
7117	145 0 0	11836 780 944	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210503	20210423

Compiler output

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

wforce.c: wforce.c:24:13: error: always_inline function '_mm256_set1_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'xsave'
wforce.c: maskvec = _mm256_set1_epi16(~mask);
wforce.c: ^
wforce.c: wforce.c:29:19: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'xsave'
wforce.c: __m256i x = _mm256_loadu_si256((__m256i *) in);
wforce.c: ^
wforce.c: wforce.c:30:12: error: always_inline function '_mm256_set1_epi8' requires target feature 'xsave', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'xsave'
wforce.c: x ^= _mm256_set1_epi8(1);
wforce.c: ^
wforce.c: wforce.c:32:12: error: always_inline function '_mm256_set1_epi8' requires target feature 'xsave', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'xsave'
wforce.c: x ^= _mm256_set1_epi8(1);
wforce.c: ^
wforce.c: wforce.c:33:7: error: always_inline function '_mm256_storeu_si256' requires target feature 'xsave', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'xsave'
wforce.c: _mm256_storeu_si256((__m256i *) out,x);
wforce.c: ^
wforce.c: wforce.c:46:19: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'xsave'
wforce.c: __m256i x = _mm256_loadu_si256((__m256i *) in);
wforce.c: ^
wforce.c: wforce.c:48:7: error: always_inline function '_mm256_storeu_si256' requires target feature 'xsave', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'xsave'
wforce.c: _mm256_storeu_si256((__m256i *) out,x);
wforce.c: ^
wforce.c: 7 errors generated.

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

wforce.c: wforce.c:24:13: error: always_inline function '_mm256_set1_epi16' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'sse4.2'
wforce.c: maskvec = _mm256_set1_epi16(~mask);
wforce.c: ^
wforce.c: wforce.c:29:19: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'sse4.2'
wforce.c: __m256i x = _mm256_loadu_si256((__m256i *) in);
wforce.c: ^
wforce.c: wforce.c:30:12: error: always_inline function '_mm256_set1_epi8' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'sse4.2'
wforce.c: x ^= _mm256_set1_epi8(1);
wforce.c: ^
wforce.c: wforce.c:32:12: error: always_inline function '_mm256_set1_epi8' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'sse4.2'
wforce.c: x ^= _mm256_set1_epi8(1);
wforce.c: ^
wforce.c: wforce.c:33:7: error: always_inline function '_mm256_storeu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'sse4.2'
wforce.c: _mm256_storeu_si256((__m256i *) out,x);
wforce.c: ^
wforce.c: wforce.c:46:19: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'sse4.2'
wforce.c: __m256i x = _mm256_loadu_si256((__m256i *) in);
wforce.c: ^
wforce.c: wforce.c:48:7: error: always_inline function '_mm256_storeu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_core_wforcesntrup761_avx_constbranchindex' that is compiled without support for 'sse4.2'
wforce.c: _mm256_storeu_si256((__m256i *) out,x);
wforce.c: ^
wforce.c: 7 errors generated.

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

wforce.c: wforce.c: In function 'crypto_core_wforcesntrup761_avx_constbranchindex':
wforce.c: wforce.c:24:11: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
wforce.c: maskvec = _mm256_set1_epi16(~mask);
wforce.c: ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
wforce.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
wforce.c: from wforce.c:1:
wforce.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:1326:1: error: inlining failed in call to always_inline '_mm256_set1_epi16': target specific option mismatch
wforce.c: _mm256_set1_epi16 (short __A)
wforce.c: ^~~~~~~~~~~~~~~~~
wforce.c: wforce.c:24:11: note: called from here
wforce.c: maskvec = _mm256_set1_epi16(~mask);
wforce.c: ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
wforce.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
wforce.c: from wforce.c:1:
wforce.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:926:1: error: inlining failed in call to always_inline '_mm256_storeu_si256': target specific option mismatch
wforce.c: _mm256_storeu_si256 (__m256i_u *__P, __m256i __A)
wforce.c: ^~~~~~~~~~~~~~~~~~~
wforce.c: wforce.c:33:7: note: called from here
wforce.c: _mm256_storeu_si256((__m256i *) out,x);
wforce.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
wforce.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
wforce.c: from wforce.c:1:
wforce.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:1333:1: error: inlining failed in call to always_inline '_mm256_set1_epi8': target specific option mismatch
wforce.c: _mm256_set1_epi8 (char __A)
wforce.c: ^~~~~~~~~~~~~~~~
wforce.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