Implementation notes: amd64, comet, crypto_dh/nist521gs
Computer: comet
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_dh
Primitive: nist521gs
| Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 3767470 | 10480 0 8 | 29006 788 1792 | T:ref | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
| 3911206 | 18890 0 8 | 41462 796 1824 | T:ref | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
| 3914160 | 13824 0 8 | 34470 796 1824 | T:ref | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
| 4013207 | 20614 0 8 | 44081 860 1760 | T:ref | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
| 4013264 | 22454 0 8 | 46249 860 1792 | T:ref | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
| 4196992 | 29153 0 8 | 51241 860 1728 | T:ref | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
| 4247029 | 27250 0 8 | 46929 860 1728 | T:ref | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
| 4319278 | 12552 0 8 | 33063 852 1792 | T:ref | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
| 6595482 | 13993 0 8 | 33996 788 1824 | T:ref | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
Compiler output
dh.c: dh.c:792:8: warning: unused variable 'k' [-Wunused-variable]
dh.c: int i,k,j,m;
dh.c: ^
dh.c: dh.c:792:10: warning: unused variable 'j' [-Wunused-variable]
dh.c: int i,k,j,m;
dh.c: ^
dh.c: dh.c:792:12: warning: unused variable 'm' [-Wunused-variable]
dh.c: int i,k,j,m;
dh.c: ^
dh.c: dh.c:793:6: warning: unused variable 'tsc' [-Wunused-variable]
dh.c: int tsc,tmc;
dh.c: ^
dh.c: dh.c:793:10: warning: unused variable 'tmc' [-Wunused-variable]
dh.c: int tsc,tmc;
dh.c: ^
dh.c: dh.c:794:25: warning: unused variable 'S' [-Wunused-variable]
dh.c: ECp W[(1<<(WINDOW-1))],S[2],Q;
dh.c: ^
dh.c: dh.c:823:8: warning: unused variable 'x' [-Wunused-variable]
dh.c: int i,x,w[PANES];
dh.c: ^
dh.c: dh.c:876:8: warning: unused variable 'x' [-Wunused-variable]
dh.c: int i,x,w[PANES];
dh.c: ^
dh.c: dh.c:877:14: warning: unused variable 'sh' [-Wunused-variable]
dh.c: ...
Number of similar (implementation,compiler) pairs: 5, namely:
| Implementation | Compiler |
| T:ref | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6) |
| T:ref | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6) |
| T:ref | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6) |
| T:ref | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6) |
| T:ref | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6) |
Compiler output
dh.c: dh.c: In function 'mul':
dh.c: dh.c:794:32: warning: unused variable 'S' [-Wunused-variable]
dh.c: 794 | ECp W[(1<<(WINDOW-1))],S[2],Q;
dh.c: | ^
dh.c: dh.c:793:17: warning: unused variable 'tmc' [-Wunused-variable]
dh.c: 793 | int tsc,tmc;
dh.c: | ^~~
dh.c: dh.c:793:13: warning: unused variable 'tsc' [-Wunused-variable]
dh.c: 793 | int tsc,tmc;
dh.c: | ^~~
dh.c: dh.c:792:19: warning: unused variable 'm' [-Wunused-variable]
dh.c: 792 | int i,k,j,m;
dh.c: | ^
dh.c: dh.c:792:17: warning: unused variable 'j' [-Wunused-variable]
dh.c: 792 | int i,k,j,m;
dh.c: | ^
dh.c: dh.c:792:15: warning: unused variable 'k' [-Wunused-variable]
dh.c: 792 | int i,k,j,m;
dh.c: | ^
dh.c: dh.c: In function 'crypto_dh_nist521gs_ref_timingleaks_keypair':
dh.c: dh.c:823:15: warning: unused variable 'x' [-Wunused-variable]
dh.c: 823 | int i,x,w[PANES];
dh.c: | ^
dh.c: dh.c: In function 'crypto_dh_nist521gs_ref_timingleaks':
dh.c: dh.c:877:21: warning: unused variable 'sh' [-Wunused-variable]
dh.c: ...
Number of similar (implementation,compiler) pairs: 4, namely:
| Implementation | Compiler |
| T:ref | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0) |
| T:ref | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0) |
| T:ref | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0) |
| T:ref | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0) |