Implementation notes: amd64, h8bobcat, crypto_core/wforcesntrup857

Computer: h8bobcat
Microarchitecture: amd64; Bobcat (500f10)
Architecture: amd64
CPU ID: AuthenticAMD-00500f20-178bfbff
SUPERCOP version: 20240107
Operation: crypto_core
Primitive: wforcesntrup857

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
979	2131 0 0	17884 816 760	`ref2`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
979	2334 0 0	19508 816 760	`ref2`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
993	1491 0 0	14564 816 760	`ref2`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
1074	636 0 0	15038 776 832	`simpler`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212
1093	652 0 0	15054 776 832	`ref2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212
1159	1845 0 0	19012 816 760	`simpler`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
1164	1726 0 0	17484 816 760	`simpler`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
1169	1726 0 0	14804 816 760	`simpler`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
1629	2128 0 0	17476 816 760	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
1644	1536 0 0	14204 816 760	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
1720	1167 0 0	15574 776 832	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212
1786	2366 0 0	19140 816 760	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
3282	225 0 0	12316 816 760	`ref2`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
3339	235 0 0	12332 816 760	`simpler`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
3425	210 0 0	11638 808 760	`ref2`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
3610	293 0 0	13142 776 832	`simpler`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212
3615	272 0 0	11601 752 800	`simpler`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212
3620	293 0 0	13142 776 832	`ref2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212
3624	294 0 0	12869 768 832	`ref2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212
3928	273 0 0	11601 752 800	`ref2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212
3933	222 0 0	11654 808 760	`simpler`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
4147	296 0 0	12869 768 832	`simpler`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212
5567	192 0 0	11860 816 760	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
5634	199 0 0	13038 776 832	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212
5686	162 0 0	11182 808 760	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231215	20231212
6327	195 0 0	12733 768 832	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212
6621	191 0 0	11473 752 800	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231215	20231212

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 'avx', but would be inlined into function 'crypto_core_wforcesntrup857_avx_constbranchindex' that is compiled without support for 'avx'
wforce.c: maskvec = _mm256_set1_epi16(~mask);
wforce.c: ^
wforce.c: wforce.c:24:13: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
wforce.c: wforce.c:29:19: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_core_wforcesntrup857_avx_constbranchindex' that is compiled without support for 'avx'
wforce.c: __m256i x = _mm256_loadu_si256((__m256i *) in);
wforce.c: ^
wforce.c: wforce.c:29:19: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
wforce.c: wforce.c:30:12: error: always_inline function '_mm256_set1_epi8' requires target feature 'avx', but would be inlined into function 'crypto_core_wforcesntrup857_avx_constbranchindex' that is compiled without support for 'avx'
wforce.c: x ^= _mm256_set1_epi8(1);
wforce.c: ^
wforce.c: wforce.c:30:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
wforce.c: wforce.c:32:12: error: always_inline function '_mm256_set1_epi8' requires target feature 'avx', but would be inlined into function 'crypto_core_wforcesntrup857_avx_constbranchindex' that is compiled without support for 'avx'
wforce.c: x ^= _mm256_set1_epi8(1);
wforce.c: ^
wforce.c: wforce.c:32:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
wforce.c: wforce.c:33:7: error: always_inline function '_mm256_storeu_si256' requires target feature 'avx', but would be inlined into function 'crypto_core_wforcesntrup857_avx_constbranchindex' that is compiled without support for 'avx'
wforce.c: _mm256_storeu_si256((__m256i *) out,x);
wforce.c: ^
wforce.c: wforce.c:33:7: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
wforce.c: wforce.c:46:19: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_core_wforcesntrup857_avx_constbranchindex' that is compiled without support for 'avx'
wforce.c: __m256i x = _mm256_loadu_si256((__m256i *) in);
wforce.c: ^
wforce.c: wforce.c:46:19: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
wforce.c: wforce.c:48:7: error: always_inline function '_mm256_storeu_si256' requires target feature 'avx', but would be inlined into function 'crypto_core_wforcesntrup857_avx_constbranchindex' that is compiled without support for 'avx'
wforce.c: ...

Number of similar (compiler,implementation) pairs: 5, 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
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_wforcesntrup857_avx_constbranchindex':
wforce.c: wforce.c:24:11: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
wforce.c: 24 | maskvec = _mm256_set1_epi16(~mask);
wforce.c: | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
wforce.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:43,
wforce.c: from wforce.c:1:
wforce.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avxintrin.h:1333:1: error: inlining failed in call to 'always_inline' '_mm256_set1_epi16': target specific option mismatch
wforce.c: 1333 | _mm256_set1_epi16 (short __A)
wforce.c: | ^~~~~~~~~~~~~~~~~
wforce.c: wforce.c:24:13: note: called from here
wforce.c: 24 | maskvec = _mm256_set1_epi16(~mask);
wforce.c: | ^~~~~~~~~~~~~~~~~~~~~~~~
wforce.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:43,
wforce.c: from wforce.c:1:
wforce.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avxintrin.h:933:1: error: inlining failed in call to 'always_inline' '_mm256_storeu_si256': target specific option mismatch
wforce.c: 933 | _mm256_storeu_si256 (__m256i_u *__P, __m256i __A)
wforce.c: | ^~~~~~~~~~~~~~~~~~~
wforce.c: wforce.c:33:7: note: called from here
wforce.c: 33 | _mm256_storeu_si256((__m256i *) out,x);
wforce.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
wforce.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:43,
wforce.c: from wforce.c:1:
wforce.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avxintrin.h:1340:1: error: inlining failed in call to 'always_inline' '_mm256_set1_epi8': target specific option mismatch
wforce.c: 1340 | _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