Implementation notes: amd64, nucnuc, crypto_core/invhrss701

Computer: nucnuc
Microarchitecture: amd64; Airmont (406c3)
Architecture: amd64
CPU ID: GenuineIntel-000406c3-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_core
Primitive: invhrss701

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
5807849	5018 0 0	18554 788 984	`simpler`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231222	20231217
11306450	3966 0 0	17384 780 984	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231222	20231217
20386033	6495 0 0	20696 812 920	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231222	20231217
20409077	5839 0 0	18392 812 920	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231222	20231217
20500579	4528 0 0	18720 812 920	`simpler`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231222	20231217
20846895	2950 0 0	15496 812 920	`simpler`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231222	20231217
22100360	4064 0 0	17848 812 920	`simpler`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231222	20231217
22559267	6436 0 0	20224 812 920	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231222	20231217
35734043	1050 0 0	13434 788 984	`simpler`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231222	20231217
49504402	821 0 0	12655 772 984	`simpler`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231222	20231217
52860003	693 0 0	11325 764 952	`simpler`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231222	20231217
53775411	824 0 0	12358 804 920	`simpler`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231222	20231217
54230445	733 0 0	11766 804 920	`simpler`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231222	20231217
66350424	1345 0 0	12366 804 920	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231222	20231217
69563598	1438 0 0	12998 804 920	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231222	20231217
73358129	1429 0 0	13712 780 984	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231222	20231217
80043863	1286 0 0	13095 772 984	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231222	20231217
82420865	1089 0 0	11651 756 952	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231222	20231217

Test failure

Implementation: avx2
Security model: constbranchindex
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

error 111

Number of similar (compiler,implementation) pairs: 18, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx2
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx2
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx2
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx2
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx2
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	faster921
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	faster921
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	faster921
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	faster921
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	faster921
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	faster921
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	faster921
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	faster921
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	faster921

Compiler output

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

core.c: core.c:353:19: error: always_inline function '_mm256_set_epi32' requires target feature 'avx', but would be inlined into function 'r3_recip' that is compiled without support for 'avx'
core.c: F0[0] = F0[1] = _mm256_set_epi32(-1,-1,-1,-1,-1,-1,-1,-1);
core.c: ^
core.c: core.c:353:19: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:354:11: error: always_inline function '_mm256_set_epi32' requires target feature 'avx', but would be inlined into function 'r3_recip' that is compiled without support for 'avx'
core.c: F0[2] = _mm256_set_epi32(32767,-1,32767,-1,32767,-1,65535,-1);
core.c: ^
core.c: core.c:354:11: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:355:27: error: always_inline function '_mm256_set1_epi32' requires target feature 'avx', but would be inlined into function 'r3_recip' that is compiled without support for 'avx'
core.c: F1[0] = F1[1] = F1[2] = _mm256_set1_epi32(0);
core.c: ^
core.c: core.c:355:27: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:357:27: error: always_inline function '_mm256_set1_epi32' requires target feature 'avx', but would be inlined into function 'r3_recip' that is compiled without support for 'avx'
core.c: V0[2] = V0[1] = V0[0] = _mm256_set1_epi32(0);
core.c: ^
core.c: core.c:357:27: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:358:27: error: always_inline function '_mm256_set1_epi32' requires target feature 'avx', but would be inlined into function 'r3_recip' that is compiled without support for 'avx'
core.c: V1[2] = V1[1] = V1[0] = _mm256_set1_epi32(0);
core.c: ^
core.c: core.c:358:27: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:360:11: error: always_inline function '_mm256_set_epi32' requires target feature 'avx', but would be inlined into function 'r3_recip' that is compiled without support for 'avx'
core.c: R0[0] = _mm256_set_epi32(0,0,0,0,0,0,0,1);
core.c: ^
core.c: core.c:360:11: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:361:19: error: always_inline function '_mm256_set1_epi32' requires target feature 'avx', but would be inlined into function 'r3_recip' that is compiled without support for 'avx'
core.c: ...

Number of similar (compiler,implementation) pairs: 5, namely:

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

Compiler output

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

core.c: core.c: In function 'r3_recip':
core.c: core.c:353:17: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
core.c: 353 | F0[0] = F0[1] = _mm256_set_epi32(-1,-1,-1,-1,-1,-1,-1,-1);
core.c: | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
core.c: core.c: In function 'vec256_swap':
core.c: core.c:171:20: note: the ABI for passing parameters with 32-byte alignment has changed in GCC 4.6
core.c: 171 | static inline void vec256_swap(vec256 *f,vec256 *g,int len,vec256 mask)
core.c: | ^~~~~~~~~~~
core.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:53,
core.c: from core.c:4:
core.c: core.c: In function 'vec256_frombits':
core.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avx2intrin.h:597:1: error: inlining failed in call to 'always_inline' '_mm256_shuffle_epi32': target specific option mismatch
core.c: 597 | _mm256_shuffle_epi32 (__m256i __A, const int __mask)
core.c: | ^~~~~~~~~~~~~~~~~~~~
core.c: core.c:56:9: note: called from here
core.c: 56 | h = _mm256_shuffle_epi32(h,0xd8);
core.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
core.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:53,
core.c: from core.c:4:
core.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avx2intrin.h:1068:1: error: inlining failed in call to 'always_inline' '_mm256_permute4x64_epi64': target specific option mismatch
core.c: 1068 | _mm256_permute4x64_epi64 (__m256i __X, const int __M)
core.c: | ^~~~~~~~~~~~~~~~~~~~~~~~
core.c: core.c:55:9: note: called from here
core.c: 55 | h = _mm256_permute4x64_epi64(h,0xd8);
core.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
core.c: ...

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

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