Implementation notes: amd64, jasper3, crypto_dh/ed521gs

Computer: jasper3
Microarchitecture: amd64; Tremont (906c0)
Architecture: amd64
CPU ID: GenuineIntel-000906c0-20-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_dh
Primitive: ed521gs
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
696796610959 0 027866 788 1752T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
858555923416 0 043634 796 1784T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
871633017385 0 036442 796 1784T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
898648736023 0 054968 820 1720T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
900838038007 0 059272 820 1720T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
902362515133 0 032278 812 1720T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
913156612465 0 030126 812 1720T:refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
913955640087 0 059984 820 1720T:refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1187428916591 0 035128 788 1784T:refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625

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:
ImplementationCompiler
T:refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -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:
ImplementationCompiler
T:refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)