Implementation notes: amd64, hydra7, crypto_core/invsntrup761

Computer: hydra7
Microarchitecture: amd64; Sandy Bridge+AES (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_core
Primitive: invsntrup761

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
12509703	2998 0 0	17135 812 992	`ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
41739540	1041 0 0	13967 812 992	`ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
45497874	1148 0 0	13676 796 992	`ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
45733119	939 0 0	12470 796 960	`ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625

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:

Implementation	Compiler
`avx`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`avx`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`avx`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`avx`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

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:

Implementation	Compiler
`jumpdivsteps`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`jumpdivsteps`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`jumpdivsteps`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`jumpdivsteps`	`gcc -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: 4, namely:

Implementation	Compiler
`ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`