Implementation notes: amd64, rumba5, crypto_dh/nist521gs

Computer: rumba5
Microarchitecture: amd64; Zen (800f11)
Architecture: amd64
CPU ID: AuthenticAMD-00800f11-178bfbff
SUPERCOP version: 20240625
Operation: crypto_dh
Primitive: nist521gs

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

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 (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

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 (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`