Implementation notes: amd64, samba, crypto_core/invsntrup761

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_core
Primitive: invsntrup761
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
6844344225 0 019795 844 1024avxclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
7130553281 0 018555 844 960avxclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
7421511825 0 014245 804 992avxgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
7497001526 0 013901 836 1024avxclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
7520821693 0 013243 844 928avxclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
7563976648 0 021181 804 992avxgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
7583371775 0 013860 796 992avxgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
8238031449 0 012524 788 960avxgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
79885744620 0 019223 812 992refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
226482334096 0 019749 852 1024refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
228990063088 0 018445 852 960refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
308876422885 0 016877 852 928refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
318528791170 0 012765 852 928refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
321798991061 0 013511 844 1024refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
330048251023 0 013463 812 992refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
350010971143 0 013188 796 992refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
38583397939 0 012030 796 960refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625

Compiler output


recip.c: recip.c:94:19: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'vectormodq_swapeliminate' that is compiled without support for 'avx'
recip.c:   __m256i f0vec = _mm256_set1_epi16(f0);
recip.c:                   ^
recip.c: recip.c:94:19: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
recip.c: recip.c:95:19: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'vectormodq_swapeliminate' that is compiled without support for 'avx'
recip.c:   __m256i g0vec = _mm256_set1_epi16(g0);
recip.c:                   ^
recip.c: recip.c:95:19: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
recip.c: recip.c:96:48: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'vectormodq_swapeliminate' that is compiled without support for 'avx'
recip.c:   __m256i f0vecqinv = _mm256_mullo_epi16(f0vec,qinvvec);
recip.c:                                                ^
recip.c: recip.c:80:17: note: expanded from macro 'qinvvec'
recip.c: #define qinvvec _mm256_set1_epi16(qinv)
recip.c:                 ^
recip.c: recip.c:96:48: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
recip.c: recip.c:80:17: note: expanded from macro 'qinvvec'
recip.c: #define qinvvec _mm256_set1_epi16(qinv)
recip.c:                 ^
recip.c: recip.c:96:23: error: always_inline function '_mm256_mullo_epi16' requires target feature 'avx2', but would be inlined into function 'vectormodq_swapeliminate' that is compiled without support for 'avx2'
recip.c:   __m256i f0vecqinv = _mm256_mullo_epi16(f0vec,qinvvec);
recip.c:                       ^
recip.c: recip.c:96:23: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
recip.c: recip.c:97:48: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'vectormodq_swapeliminate' that is compiled without support for 'avx'
recip.c:   __m256i g0vecqinv = _mm256_mullo_epi16(g0vec,qinvvec);
recip.c:                                                ^
recip.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
avxclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output


avx-768.c: avx-768.c:586:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                            ^
avx-768.c: avx-768.c:586:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                   ^
avx-768.c: avx-768.c:586:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:716:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                            ^
avx-768.c: avx-768.c:716:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                   ^
avx-768.c: avx-768.c:716:38: warning: unused variable 'h1' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                      ^
avx-768.c: avx-768.c:716:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:847:38: warning: unused variable 'h1' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                      ^
avx-768.c: avx-768.c:847:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
jumpdivstepsclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output


avx-768.c: avx-768.c:586:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                   ^
avx-768.c: avx-768.c:586:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:586:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                            ^
avx-768.c: avx-768.c:716:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                   ^
avx-768.c: avx-768.c:716:38: warning: unused variable 'h1' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                      ^
avx-768.c: avx-768.c:716:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:716:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                            ^
avx-768.c: avx-768.c:847:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:847:38: warning: unused variable 'h1' [-Wunused-variable]
avx-768.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
jumpdivstepsclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output


avx-768.c: avx-768.c:586:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                   ^
avx-768.c: avx-768.c:586:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                            ^
avx-768.c: avx-768.c:586:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:716:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                   ^
avx-768.c: avx-768.c:716:38: warning: unused variable 'h1' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                      ^
avx-768.c: avx-768.c:716:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:716:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                            ^
avx-768.c: avx-768.c:847:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                            ^
avx-768.c: avx-768.c:847:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
jumpdivstepsclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output


avx-768.c: avx-768.c:586:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                            ^
avx-768.c: avx-768.c:586:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:586:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                   ^
avx-768.c: avx-768.c:716:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                   ^
avx-768.c: avx-768.c:716:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                            ^
avx-768.c: avx-768.c:716:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:716:38: warning: unused variable 'h1' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                      ^
avx-768.c: avx-768.c:847:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:847:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
jumpdivstepsclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output


avx-768.c: avx-768.c:544:36: error: invalid output size for constraint '+x'
avx-768.c:   __asm__("vpsubw %1,%0,%0" : "+x"(a),"+x"(b));
avx-768.c:                                    ^
avx-768.c: avx-768.c:550:36: error: invalid output size for constraint '+x'
avx-768.c:   __asm__("vpaddw %1,%0,%0" : "+x"(a),"+x"(b));
avx-768.c:                                    ^
avx-768.c: avx-768.c:586:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                            ^
avx-768.c: avx-768.c:586:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                   ^
avx-768.c: avx-768.c:586:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:716:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                   ^
avx-768.c: avx-768.c:716:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                            ^
avx-768.c: avx-768.c:716:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:                                         ^
avx-768.c: avx-768.c:716:38: warning: unused variable 'h1' [-Wunused-variable]
avx-768.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
jumpdivstepsclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output


avx-768.c: avx-768.c: In function 'ntt64':
avx-768.c: avx-768.c:586:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   586 |   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:       |                                            ^~
avx-768.c: avx-768.c:586:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   586 |   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:       |                                         ^~
avx-768.c: avx-768.c:586:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   586 |   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:       |                                   ^~
avx-768.c: avx-768.c: In function 'invntt64':
avx-768.c: avx-768.c:716:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c:   716 |   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:       |                                            ^~
avx-768.c: avx-768.c:716:41: warning: unused variable 'h2' [-Wunused-variable]
avx-768.c:   716 |   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:       |                                         ^~
avx-768.c: avx-768.c:716:38: warning: unused variable 'h1' [-Wunused-variable]
avx-768.c:   716 |   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:       |                                      ^~
avx-768.c: avx-768.c:716:35: warning: unused variable 'h0' [-Wunused-variable]
avx-768.c:   716 |   __m256i f0,f1,f2,f3,g0,g1,g2,g3,h0,h1,h2,h3;
avx-768.c:       |                                   ^~
avx-768.c: avx-768.c: In function 'ntt256':
avx-768.c: avx-768.c:847:44: warning: unused variable 'h3' [-Wunused-variable]
avx-768.c: ...

Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
jumpdivstepsgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
jumpdivstepsgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
jumpdivstepsgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
jumpdivstepsgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

Passed TIMECOP


TIMECOP iterations: 1

Number of similar (implementation,compiler) pairs: 17, namely:
ImplementationCompiler
avxclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
avxclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
avxclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
avxclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
avxgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
avxgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
avxgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
avxgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)