Implementation notes: amd64, hydra4, crypto_core/wforcesntrup1277

Computer: hydra4
Microarchitecture: amd64; K10 32nm (300f10)
Architecture: amd64
CPU ID: AuthenticAMD-00300f10-178bfbff
SUPERCOP version: 20240107
Operation: crypto_core
Primitive: wforcesntrup1277

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
711	773 0 0	14888 812 920	`ref2`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
716	773 0 0	14888 812 920	`simpler`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
720	2453 0 0	20248 812 920	`ref2`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
724	2453 0 0	20248 812 920	`ref2`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
724	2469 0 0	20280 812 920	`simpler`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
724	2469 0 0	20280 812 920	`simpler`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
814	632 0 0	15432 780 984	`simpler`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	20231212
818	632 0 0	15432 780 984	`ref2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	20231212
1060	2366 0 0	19656 812 920	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
1061	2366 0 0	19656 812 920	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
1075	910 0 0	14488 812 920	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
1128	1256 0 0	15512 780 984	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	20231212
3350	238 0 0	12942 804 920	`simpler`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
3467	208 0 0	13704 780 984	`ref2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	20231212
4131	215 0 0	13103 772 984	`simpler`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	20231212
4254	218 0 0	12342 804 920	`ref2`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
4255	210 0 0	13103 772 984	`ref2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	20231212
4260	229 0 0	12374 804 920	`simpler`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
5425	321 0 0	13062 804 920	`ref2`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
5671	175 0 0	13128 780 984	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	20231212
6194	196 0 0	11899 756 952	`ref2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	20231212
6455	156 0 0	11758 804 920	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
7082	201 0 0	11899 756 952	`simpler`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	20231212
7158	313 0 0	12502 804 920	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231214	20231212
7385	208 0 0	13704 780 984	`simpler`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	20231212
7731	155 0 0	12495 772 984	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	20231212
8903	141 0 0	11291 756 952	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231214	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_wforcesntrup1277_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_wforcesntrup1277_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_wforcesntrup1277_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_wforcesntrup1277_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_wforcesntrup1277_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_wforcesntrup1277_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_wforcesntrup1277_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_wforcesntrup1277_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/10/include/immintrin.h:51,
wforce.c: from wforce.c:1:
wforce.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avxintrin.h:1326:1: error: inlining failed in call to 'always_inline' '_mm256_set1_epi16': target specific option mismatch
wforce.c: 1326 | _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/10/include/immintrin.h:51,
wforce.c: from wforce.c:1:
wforce.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avxintrin.h:926:1: error: inlining failed in call to 'always_inline' '_mm256_storeu_si256': target specific option mismatch
wforce.c: 926 | _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/10/include/immintrin.h:51,
wforce.c: from wforce.c:1:
wforce.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avxintrin.h:1333:1: error: inlining failed in call to 'always_inline' '_mm256_set1_epi8': target specific option mismatch
wforce.c: 1333 | _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