Implementation notes: amd64, renoir, crypto_dh/nist521gs

Computer: renoir
Microarchitecture: amd64; Zen 2 (860f01)
Architecture: amd64
CPU ID: AuthenticAMD-00860f01-178bfbff
SUPERCOP version: 20240716
Operation: crypto_dh
Primitive: nist521gs
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
375157921598 0 843328 820 1752T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071720240716
376437123438 0 845280 820 1752T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071720240716
407920010431 0 829202 788 1784T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071720240716
424322311721 0 831326 812 1720T:refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071720240716
460619719117 0 841346 796 1816T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071720240716
464793215182 0 835706 796 1816T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071720240716
474086829105 0 851040 820 1720T:refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071720240716
481184312720 0 832078 812 1720T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071720240716
735404614378 0 834376 788 1816T:refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071720240716

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:
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:794:25: warning: unused variable 'S' [-Wunused-variable]
dh.c:   794 |  ECp W[(1<<(WINDOW-1))],S[2],Q;
dh.c:       |                         ^
dh.c: dh.c:793:10: warning: unused variable 'tmc' [-Wunused-variable]
dh.c:   793 |  int tsc,tmc;
dh.c:       |          ^~~
dh.c: dh.c:793:6: warning: unused variable 'tsc' [-Wunused-variable]
dh.c:   793 |  int tsc,tmc;
dh.c:       |      ^~~
dh.c: dh.c:792:12: warning: unused variable 'm' [-Wunused-variable]
dh.c:   792 |  int i,k,j,m;
dh.c:       |            ^
dh.c: dh.c:792:10: warning: unused variable 'j' [-Wunused-variable]
dh.c:   792 |  int i,k,j,m;
dh.c:       |          ^
dh.c: dh.c:792:8: 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:823:8: 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:877:14: warning: unused variable 'sh' [-Wunused-variable]
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)

Namespace violations


dh.o add_a T
dh.o add_p T
dh.o copy T
dh.o doubl T
dh.o fe_cmov T
dh.o g2sb T
dh.o g3ad T
dh.o g4sb 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 gmul4 T
dh.o gone T
dh.o gsb2 T
dh.o gsb8 T
dh.o gsqr T
dh.o gsub T
dh.o gtsb T
dh.o gtsb2 T
dh.o inf T
dh.o init T
dh.o mc B
dh.o mul T
dh.o multi_norm T
dh.o neg T
dh.o norm T
dh.o precomp T
dh.o sc B
dh.o scr T
dh.o window T

Number of similar (implementation,compiler) pairs: 9, 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)
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)