Implementation notes: amd64, cezanne, crypto_dh/curve25519
Computer: cezanne
Microarchitecture: amd64; Zen 3 (a50f00)
Architecture: amd64
CPU ID: AuthenticAMD-00a50f00-178bfbff
SUPERCOP version: 20240808
Operation: crypto_dh
Primitive: curve25519
Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
426393 | 155 0 0 | 42888 820 1752 | T:ref | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
426531 | 155 0 0 | 42696 820 1720 | T:ref | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
426925 | 155 0 0 | 40190 812 1720 | T:ref | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
426961 | 161 0 0 | 42760 788 1784 | T:ref | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
427151 | 161 0 0 | 41048 788 1784 | T:ref | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
427223 | 164 0 0 | 40536 788 1784 | T:ref | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
427300 | 142 0 0 | 39528 780 1752 | T:ref | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
427354 | 155 0 0 | 42792 820 1752 | T:ref | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
427773 | 151 0 0 | 39902 812 1720 | T:ref | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240809 | 20240808 |
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:
Implementation | Compiler |
T:mpfq | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
T:mpfq | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
T:mpfq | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
T:mpfq | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
T:mpfq | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
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:
Implementation | Compiler |
T:mpfq | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
T:mpfq | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
T:mpfq | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
T:mpfq | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |