Implementation notes: amd64, hydra8, crypto_core/invsntrup761

Computer: hydra8
Microarchitecture: amd64; Ivy Bridge+AES (306a9)
Architecture: amd64
CPU ID: GenuineIntel-000306a9-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_core
Primitive: invsntrup761
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
123747292998 0 016647 812 992refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
299971952145 0 017506 868 928refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
300285812145 0 015562 868 928refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
359105322885 0 016890 868 928refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
397072461171 0 012842 868 928refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
397510621058 0 012396 860 928refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
412667301041 0 013479 812 992refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
43828225939 0 012014 796 960refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
447035501148 0 013220 796 992refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625

Compiler output


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:97:23: 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 g0vecqinv = _mm256_mullo_epi16(g0vec,qinvvec);
recip.c:                       ^
recip.c: recip.c:103:21: error: always_inline function '_mm256_blendv_epi8' requires target feature 'avx2', but would be inlined into function 'vectormodq_swapeliminate' that is compiled without support for 'avx2'
recip.c:     __m256i finew = _mm256_blendv_epi8(fi,gi,maskvec);
recip.c:                     ^
recip.c: recip.c:104:21: error: always_inline function '_mm256_blendv_epi8' requires target feature 'avx2', but would be inlined into function 'vectormodq_swapeliminate' that is compiled without support for 'avx2'
recip.c:     __m256i ginew = _mm256_blendv_epi8(gi,fi,maskvec);
recip.c:                     ^
recip.c: recip.c:105:13: error: always_inline function '_mm256_sub_epi16' requires target feature 'avx2', but would be inlined into function 'vectormodq_swapeliminate' that is compiled without support for 'avx2'
recip.c:     ginew = _mm256_sub_epi16(montproduct(ginew,f0vec,f0vecqinv),montproduct(finew,g0vec,g0vecqinv));
recip.c:             ^
recip.c: recip.c:86:7: error: always_inline function '_mm256_mullo_epi16' requires target feature 'avx2', but would be inlined into function 'montproduct' that is compiled without support for 'avx2'
recip.c:   d = _mm256_mullo_epi16(x,yqinv);
recip.c:       ^
recip.c: recip.c:87:8: error: always_inline function '_mm256_mulhi_epi16' requires target feature 'avx2', but would be inlined into function 'montproduct' that is compiled without support for 'avx2'
recip.c:   hi = _mm256_mulhi_epi16(x,y);
recip.c:        ^
recip.c: recip.c:88:7: error: always_inline function '_mm256_mulhi_epi16' requires target feature 'avx2', but would be inlined into function 'montproduct' that is compiled without support for 'avx2'
recip.c:   e = _mm256_mulhi_epi16(d,qvec);
recip.c:       ^
recip.c: recip.c:89:10: error: always_inline function '_mm256_sub_epi16' requires target feature 'avx2', but would be inlined into function 'montproduct' that is compiled without support for 'avx2'
recip.c: ...

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

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


recip.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
recip.c:                  from recip.c:1:
recip.c: recip.c: In function 'montproduct':
recip.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:808:1: error: inlining failed in call to 'always_inline' '_mm256_sub_epi16': target specific option mismatch
recip.c:   808 | _mm256_sub_epi16 (__m256i __A, __m256i __B)
recip.c:       | ^~~~~~~~~~~~~~~~
recip.c: recip.c:89:10: note: called from here
recip.c:    89 |   return _mm256_sub_epi16(hi,e);
recip.c:       |          ^~~~~~~~~~~~~~~~~~~~~~
recip.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
recip.c:                  from recip.c:1:
recip.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:546:1: error: inlining failed in call to 'always_inline' '_mm256_mulhi_epi16': target specific option mismatch
recip.c:   546 | _mm256_mulhi_epi16 (__m256i __A, __m256i __B)
recip.c:       | ^~~~~~~~~~~~~~~~~~
recip.c: recip.c:88:7: note: called from here
recip.c:    88 |   e = _mm256_mulhi_epi16(d,qvec);
recip.c:       |       ^~~~~~~~~~~~~~~~~~~~~~~~~~
recip.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
recip.c:                  from recip.c:1:
recip.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:546:1: error: inlining failed in call to 'always_inline' '_mm256_mulhi_epi16': target specific option mismatch
recip.c:   546 | _mm256_mulhi_epi16 (__m256i __A, __m256i __B)
recip.c:       | ^~~~~~~~~~~~~~~~~~
recip.c: recip.c:87:8: note: called from here
recip.c:    87 |   hi = _mm256_mulhi_epi16(x,y);
recip.c:       |        ^~~~~~~~~~~~~~~~~~~~~~~
recip.c: ...

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

Compiler output


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: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:716:38: 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: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:847:35: 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:847:44: warning: unused variable 'h3' [-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:586:44: 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:716:41: 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: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: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 -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:586:41: 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:716:44: 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: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: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:847:41: warning: unused variable 'h2' [-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:586:35: 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:716:44: 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: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 -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:586:41: 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:716:38: 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:716:35: 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: ...

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: 9, namely:
ImplementationCompiler
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)