Implementation notes: amd64, jasper2, crypto_core/scale3sntrup953

Computer: jasper2
Microarchitecture: amd64; Tremont (906c0)
Architecture: amd64
CPU ID: GenuineIntel-000906c0-20-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_core
Primitive: scale3sntrup953
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
1085902 0 013872 812 920refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
1105905 0 014792 812 920refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
1122902 0 016176 812 920refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
1132336 0 013904 780 984refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
5516197 0 012576 780 984refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
5556186 0 012111 772 984refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
6745179 0 011302 804 920refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
6782188 0 011798 804 920refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
9951188 0 010927 764 952refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625

Compiler output


core.c: core.c:20:18: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_core_scale3sntrup953_avx_constbranchindex' that is compiled without support for 'avx'
core.c:   __m256i save = _mm256_loadu_si256((__m256i *) (inbytes+2*i));
core.c:                  ^
core.c: core.c:20:18: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:25:19: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_core_scale3sntrup953_avx_constbranchindex' that is compiled without support for 'avx'
core.c:       __m256i x = _mm256_loadu_si256((__m256i *) inbytes);
core.c:                   ^
core.c: core.c:25:19: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:27:32: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'crypto_core_scale3sntrup953_avx_constbranchindex' that is compiled without support for 'avx'
core.c:       x = _mm256_mullo_epi16(x,_mm256_set1_epi16(3));
core.c:                                ^
core.c: core.c:27:32: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:27:11: error: always_inline function '_mm256_mullo_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_core_scale3sntrup953_avx_constbranchindex' that is compiled without support for 'avx2'
core.c:       x = _mm256_mullo_epi16(x,_mm256_set1_epi16(3));
core.c:           ^
core.c: core.c:27:11: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:28:30: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'crypto_core_scale3sntrup953_avx_constbranchindex' that is compiled without support for 'avx'
core.c:       x = _mm256_sub_epi16(x,_mm256_set1_epi16((q+1)/2));
core.c:                              ^
core.c: core.c:28:30: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:28:11: error: always_inline function '_mm256_sub_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_core_scale3sntrup953_avx_constbranchindex' that is compiled without support for 'avx2'
core.c:       x = _mm256_sub_epi16(x,_mm256_set1_epi16((q+1)/2));
core.c:           ^
core.c: core.c:28:11: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
core.c: core.c:29:14: error: always_inline function '_mm256_srai_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_core_scale3sntrup953_avx_constbranchindex' that is compiled without support for 'avx2'
core.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


core.c: core.c: In function 'crypto_core_scale3sntrup953_avx_constbranchindex':
core.c: core.c:20:11: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
core.c:    20 |   __m256i save = _mm256_loadu_si256((__m256i *) (inbytes+2*i));
core.c:       |           ^~~~
core.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:51,
core.c:                  from core.c:1:
core.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avxintrin.h:920:1: error: inlining failed in call to 'always_inline' '_mm256_loadu_si256': target specific option mismatch
core.c:   920 | _mm256_loadu_si256 (__m256i_u const *__P)
core.c:       | ^~~~~~~~~~~~~~~~~~
core.c: core.c:20:18: note: called from here
core.c:    20 |   __m256i save = _mm256_loadu_si256((__m256i *) (inbytes+2*i));
core.c:       |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
core.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:51,
core.c:                  from core.c:1:
core.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avxintrin.h:926:1: error: inlining failed in call to 'always_inline' '_mm256_storeu_si256': target specific option mismatch
core.c:   926 | _mm256_storeu_si256 (__m256i_u *__P, __m256i __A)
core.c:       | ^~~~~~~~~~~~~~~~~~~
core.c: core.c:34:7: note: called from here
core.c:    34 |       _mm256_storeu_si256((__m256i *) outbytes,x);
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:1:
core.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avx2intrin.h:808:1: error: inlining failed in call to 'always_inline' '_mm256_sub_epi16': target specific option mismatch
core.c:   808 | _mm256_sub_epi16 (__m256i __A, __m256i __B)
core.c:       | ^~~~~~~~~~~~~~~~
core.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: 9, 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 -O -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)