Implementation notes: amd64, r24000, crypto_dh/ed521gs
Computer: r24000
Microarchitecture: amd64; Coffee Lake (906ea)
Architecture: amd64
CPU ID: GenuineIntel-000906ea-bfebfbff
SUPERCOP version: 20240808
Operation: crypto_dh
Primitive: ed521gs
Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
3247351 | 19251 0 0 | 42919 820 1832 | T:ref | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240728 | 20240716 |
3293870 | 11461 0 0 | 31191 812 1800 | T:ref | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240728 | 20240716 |
3454503 | 15530 0 0 | 37127 820 1832 | T:ref | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240728 | 20240716 |
3722608 | 25676 0 0 | 49906 852 1832 | T:ref | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240728 | 20240716 |
3728503 | 23148 0 0 | 43499 852 1768 | T:ref | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240728 | 20240716 |
3743392 | 24476 0 0 | 48530 852 1800 | T:ref | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240728 | 20240716 |
3797916 | 14248 0 0 | 35012 844 1832 | T:ref | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240728 | 20240716 |
3906752 | 29148 0 0 | 51827 852 1768 | T:ref | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240728 | 20240716 |
5974240 | 17943 0 0 | 38861 812 1832 | T:ref | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240728 | 20240716 |
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 (Ubuntu_Clang_16.0.6_(15)) |
T:ref | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_16.0.6_(15)) |
T:ref | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_16.0.6_(15)) |
T:ref | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_16.0.6_(15)) |
T:ref | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_16.0.6_(15)) |
Compiler output
dh.c: dh.c: In function 'mul':
dh.c: dh.c:741:17: warning: unused variable 'm' [-Wunused-variable]
dh.c: 741 | int i,j,m;
dh.c: | ^
dh.c: dh.c:741:15: warning: unused variable 'j' [-Wunused-variable]
dh.c: 741 | int i,j,m;
dh.c: | ^
dh.c: dh.c:740:34: 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:763:15: 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:815:21: warning: unused variable 'sh' [-Wunused-variable]
dh.c: 815 | signed char sh;
dh.c: | ^~
dh.c: dh.c:814:15: warning: unused variable 'x' [-Wunused-variable]
dh.c: 814 | int i,x,w[PANES];
dh.c: | ^
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 (13.2.0) |
T:ref | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
T:ref | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
T:ref | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
Namespace violations
dh.o add_1 T
dh.o add_2 T
dh.o copy T
dh.o double_1 T
dh.o double_2 T
dh.o double_3 T
dh.o fe_cmov T
dh.o gadd T
dh.o gcopy T
dh.o gdec T
dh.o ginv T
dh.o gmul T
dh.o gmul2 T
dh.o gmuli T
dh.o gsb2 T
dh.o gsqr T
dh.o gsqr2 T
dh.o gsub T
dh.o inf T
dh.o init T
dh.o mul T
dh.o neg T
dh.o norm T
dh.o precomp T
dh.o scr T
dh.o window T
Number of similar (implementation,compiler) pairs: 9, namely:
Implementation | Compiler |
T:ref | clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_16.0.6_(15)) |
T:ref | clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_16.0.6_(15)) |
T:ref | clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_16.0.6_(15)) |
T:ref | clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_16.0.6_(15)) |
T:ref | clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_16.0.6_(15)) |
T:ref | gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
T:ref | gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
T:ref | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |
T:ref | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0) |