Implementation notes: amd64, speed2supercop, crypto_dh/nist521gs
Computer: speed2supercop
Microarchitecture: amd64; Haswell+AES (306c3)
Architecture: amd64
CPU ID: GenuineIntel-000306c3-1fc9cbf5
SUPERCOP version: 20240625
Operation: crypto_dh
Primitive: nist521gs
| Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 4706428 | 10477 0 8 | 28647 760 1632 | T:ref | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240704 | 20240625 |
| 4745120 | 18886 0 8 | 40767 768 1664 | T:ref | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240704 | 20240625 |
| 4884664 | 13354 0 8 | 33263 768 1664 | T:ref | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240704 | 20240625 |
| 5007292 | 22822 0 8 | 45949 800 1600 | T:ref | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240704 | 20240625 |
| 5009988 | 20470 0 8 | 43421 800 1600 | T:ref | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240704 | 20240625 |
| 5146972 | 27469 0 8 | 49174 800 1568 | T:ref | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240704 | 20240625 |
| 5187072 | 27394 0 8 | 46494 800 1568 | T:ref | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240704 | 20240625 |
| 5235996 | 12592 0 8 | 32423 792 1632 | T:ref | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240704 | 20240625 |
| 8253652 | 14606 0 8 | 33853 760 1664 | T:ref | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240704 | 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_16.0.6_(27+b1)) |
| T:ref | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1)) |
| T:ref | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1)) |
| T:ref | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1)) |
| T:ref | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1)) |
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 (13.3.0) |
| T:ref | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0) |
| T:ref | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0) |
| T:ref | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0) |