Implementation notes: amd64, h3neo, crypto_dh/curve25519

Computer: h3neo
Microarchitecture: amd64; K10 45nm (100f63)
Architecture: amd64
CPU ID: AuthenticAMD-00100f63-078bfbff
SUPERCOP version: 20240625
Operation: crypto_dh
Primitive: curve25519
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
879750155 0 028939 852 1728T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070620240625
879756151 0 026405 844 1728T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070620240625
879764155 0 028051 852 1728T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070620240625
879770213 0 029925 812 1792T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070620240625
879781213 0 028589 812 1792T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070620240625
879796182 0 026413 804 1760T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070620240625
879801155 0 029395 852 1728T:refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070620240625
879863155 0 027075 852 1728T:refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070620240625
879882204 0 027565 812 1792T:refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070620240625

Compiler output


curve25519.c: In file included from curve25519.c:20:
curve25519.c: In file included from ./mpfq_p_25519.h:5:
curve25519.c: In file included from ./x86_64/mpfq_p_25519.h:10:
curve25519.c: In file included from ./fixmp.h:281:
curve25519.c: ./fixmp_longlong.h:2527:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2539:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2551:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2563:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2575:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2587:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ./fixmp_longlong.h:2599:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:   int i;
curve25519.c:       ^
curve25519.c: ...

Number of similar (implementation,compiler) pairs: 5, namely:
ImplementationCompiler
T:mpfqclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
T:mpfqclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
T:mpfqclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
T:mpfqclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
T:mpfqclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output


curve25519.c: In file included from ./fixmp.h:281,
curve25519.c:                  from x86_64/mpfq_p_25519.h:10,
curve25519.c:                  from mpfq_p_25519.h:5,
curve25519.c:                  from curve25519.c:20:
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_1':
curve25519.c: ./fixmp_longlong.h:2527:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:  2527 |   int i;
curve25519.c:       |       ^
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_2':
curve25519.c: ./fixmp_longlong.h:2539:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:  2539 |   int i;
curve25519.c:       |       ^
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_3':
curve25519.c: ./fixmp_longlong.h:2551:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:  2551 |   int i;
curve25519.c:       |       ^
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_4':
curve25519.c: ./fixmp_longlong.h:2563:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:  2563 |   int i;
curve25519.c:       |       ^
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_5':
curve25519.c: ./fixmp_longlong.h:2575:7: warning: unused variable 'i' [-Wunused-variable]
curve25519.c:  2575 |   int i;
curve25519.c:       |       ^
curve25519.c: ./fixmp_longlong.h: In function 'mgy_decode_6':
curve25519.c: ...

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