Implementation notes: amd64, shoe, crypto_dh/ed521gs
Computer: shoe
Microarchitecture: amd64; Broadwell+AES (306d4)
Architecture: amd64
CPU ID: GenuineIntel-000306d4-bfebfbff
SUPERCOP version: 20240716
Operation: crypto_dh
Primitive: ed521gs
Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
3613660 | 20021 0 0 | 43370 796 1816 | T:ref | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
3627332 | 10939 0 0 | 30466 788 1784 | T:ref | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
3706277 | 29735 0 0 | 53184 820 1784 | T:ref | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
3746536 | 30391 0 0 | 53920 820 1784 | T:ref | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
3788314 | 16999 0 0 | 38562 796 1816 | T:ref | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
4034775 | 14523 0 0 | 34462 812 1752 | T:ref | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
4075345 | 40087 0 0 | 62568 820 1752 | T:ref | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
4113236 | 12225 0 0 | 32678 812 1752 | T:ref | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
6069331 | 16364 0 0 | 37440 788 1816 | T:ref | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240630 | 20240625 |
Compiler output
dh.c: dh.c:740:27: warning: unused variable 'S' [-Wunused-variable]
dh.c: ECp W[1+(1<<(WINDOW-1))],S[2],Q;
dh.c: ^
dh.c: dh.c:741:8: warning: unused variable 'j' [-Wunused-variable]
dh.c: int i,j,m;
dh.c: ^
dh.c: dh.c:741:10: warning: unused variable 'm' [-Wunused-variable]
dh.c: int i,j,m;
dh.c: ^
dh.c: dh.c:763:8: warning: unused variable 'x' [-Wunused-variable]
dh.c: int i,x,w[PANES];
dh.c: ^
dh.c: dh.c:814:8: warning: unused variable 'x' [-Wunused-variable]
dh.c: int i,x,w[PANES];
dh.c: ^
dh.c: dh.c:815:14: warning: unused variable 'sh' [-Wunused-variable]
dh.c: signed char sh;
dh.c: ^
dh.c: dh.c:23:21: warning: unused variable 'bot52bits' [-Wunused-const-variable]
dh.c: static const type64 bot52bits = 0xfffffffffffff;
dh.c: ^
dh.c: 7 warnings generated.
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_11.0.1) |
T:ref | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
T:ref | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
T:ref | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
T:ref | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1) |
Compiler output
dh.c: dh.c: In function 'mul':
dh.c: dh.c:741:10: warning: unused variable 'm' [-Wunused-variable]
dh.c: 741 | int i,j,m;
dh.c: | ^
dh.c: dh.c:741:8: warning: unused variable 'j' [-Wunused-variable]
dh.c: 741 | int i,j,m;
dh.c: | ^
dh.c: dh.c:740:27: warning: unused variable 'S' [-Wunused-variable]
dh.c: 740 | ECp W[1+(1<<(WINDOW-1))],S[2],Q;
dh.c: | ^
dh.c: dh.c: In function 'crypto_dh_ed521gs_ref_timingleaks_keypair':
dh.c: dh.c:763:8: warning: unused variable 'x' [-Wunused-variable]
dh.c: 763 | int i,x,w[PANES];
dh.c: | ^
dh.c: dh.c: In function 'crypto_dh_ed521gs_ref_timingleaks':
dh.c: dh.c:815:14: warning: unused variable 'sh' [-Wunused-variable]
dh.c: 815 | signed char sh;
dh.c: | ^~
dh.c: dh.c:814:8: warning: unused variable 'x' [-Wunused-variable]
dh.c: 814 | int i,x,w[PANES];
dh.c: | ^
dh.c: At top level:
dh.c: dh.c:23:21: warning: 'bot52bits' defined but not used [-Wunused-const-variable=]
dh.c: 23 | static const type64 bot52bits = 0xfffffffffffff;
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 (10.2.1_20210110) |
T:ref | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
T:ref | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
T:ref | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |