Implementation notes: amd64, hydra4, crypto_core/inv3sntrup1277

Computer: hydra4
Microarchitecture: amd64; K10 32nm (300f10)
Architecture: amd64
CPU ID: AuthenticAMD-00300f10-178bfbff
SUPERCOP version: 20240625
Operation: crypto_core
Primitive: inv3sntrup1277
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
177335286621 0 020290 788 984refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
705296515982 0 019808 812 920refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
705313155982 0 019808 812 920refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
729420182910 0 015904 812 920refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
87744419672 0 011710 804 920refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
105016014855 0 012430 804 920refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
131742169862 0 013322 788 984refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
138241944672 0 011349 764 952refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625

Test failure

error 142
Alarm clock
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

Compiler output

r3_recip.c: r3_recip.c:488:49: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c:   F0[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c:           ~~~~~~~~~~~~~~~~                      ^~~~~~~~~~
r3_recip.c: r3_recip.c:488:36: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c:   F0[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c:           ~~~~~~~~~~~~~~~~         ^~~~~~~~~~
r3_recip.c: r3_recip.c:493:49: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c:   F1[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c:           ~~~~~~~~~~~~~~~~                      ^~~~~~~~~~
r3_recip.c: r3_recip.c:493:36: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c:   F1[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c:           ~~~~~~~~~~~~~~~~         ^~~~~~~~~~
r3_recip.c: r3_recip.c:484:11: error: always_inline function '_mm256_set_epi32' requires target feature 'avx', but would be inlined into function 'crypto_core_inv3sntrup1277_avx_constbranchindex' that is compiled without support for 'avx'
r3_recip.c:   F0[0] = _mm256_set_epi32(0,0,0,0,0,0,0,1);
r3_recip.c:           ^
r3_recip.c: r3_recip.c:484:11: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
r3_recip.c: r3_recip.c:485:11: error: always_inline function '_mm256_set1_epi32' requires target feature 'avx', but would be inlined into function 'crypto_core_inv3sntrup1277_avx_constbranchindex' that is compiled without support for 'avx'
r3_recip.c:   F0[1] = _mm256_set1_epi32(0);
r3_recip.c:           ^
r3_recip.c: r3_recip.c:485:11: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
r3_recip.c: r3_recip.c:486:11: error: always_inline function '_mm256_set1_epi32' requires target feature 'avx', but would be inlined into function 'crypto_core_inv3sntrup1277_avx_constbranchindex' that is compiled without support for 'avx'
r3_recip.c:   F0[2] = _mm256_set1_epi32(0);
r3_recip.c:           ^
r3_recip.c: r3_recip.c:486:11: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
r3_recip.c: r3_recip.c:487:11: error: always_inline function '_mm256_set1_epi32' requires target feature 'avx', but would be inlined into function 'crypto_core_inv3sntrup1277_avx_constbranchindex' that is compiled without support for 'avx'
r3_recip.c: ...
Number of similar (implementation,compiler) pairs: 5, namely:
ImplementationCompiler
avxclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
avxclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
avxclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
avxclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
avxclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

Compiler output

r3_recip.c: r3_recip.c: In function 'crypto_core_inv3sntrup1277_avx_constbranchindex':
r3_recip.c: r3_recip.c:484:9: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
r3_recip.c:   484 |   F0[0] = _mm256_set_epi32(0,0,0,0,0,0,0,1);
r3_recip.c:       |   ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
r3_recip.c: r3_recip.c: In function 'vec256_swap':
r3_recip.c: r3_recip.c:178:20: note: the ABI for passing parameters with 32-byte alignment has changed in GCC 4.6
r3_recip.c:   178 | static inline void vec256_swap(vec256 *f,vec256 *g,int len,vec256 mask)
r3_recip.c:       |                    ^~~~~~~~~~~
r3_recip.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:53,
r3_recip.c:                  from r3_recip.c:3:
r3_recip.c: r3_recip.c: In function 'vec256_frombits':
r3_recip.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
r3_recip.c:   597 | _mm256_shuffle_epi32 (__m256i __A, const int __mask)
r3_recip.c:       | ^~~~~~~~~~~~~~~~~~~~
r3_recip.c: r3_recip.c:69:9: note: called from here
r3_recip.c:    69 |     h = _mm256_shuffle_epi32(h,0xd8);
r3_recip.c:       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
r3_recip.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:53,
r3_recip.c:                  from r3_recip.c:3:
r3_recip.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
r3_recip.c:  1068 | _mm256_permute4x64_epi64 (__m256i __X, const int __M)
r3_recip.c:       | ^~~~~~~~~~~~~~~~~~~~~~~~
r3_recip.c: r3_recip.c:68:9: note: called from here
r3_recip.c:    68 |     h = _mm256_permute4x64_epi64(h,0xd8);
r3_recip.c:       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
r3_recip.c: ...
Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
avxgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
avxgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
avxgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
avxgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

Passed TIMECOP

TIMECOP iterations: 1
Number of similar (implementation,compiler) pairs: 8, namely:
ImplementationCompiler
refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)