Implementation notes: amd64, margaux, crypto_sign/ntrumls743x

Computer: margaux
Microarchitecture: amd64; Core 2 65nm (6fb)
Architecture: amd64
CPU ID: GenuineIntel-000006fb-bfebfbff
SUPERCOP version: 20240716
Operation: crypto_sign
Primitive: ntrumls743x

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
4536246	13717 322 4160	35837 1196 5888	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240709	20240625
4634982	14621 322 4160	37604 1212 5888	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240709	20240625
4728464	16062 322 4164	39748 1180 5952	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240709	20240625
4783154	15552 322 4164	38789 1188 5952	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240709	20240625
5350911	24042 322 4164	48916 1180 5952	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240709	20240625
5940655	13266 322 4164	35341 1180 5952	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240709	20240625
7079049	29888 322 4160	55155 1204 5888	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240709	20240625
7204407	28714 322 4160	54067 1204 5888	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240709	20240625
7209532	24867 322 4160	49099 1204 5888	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240709	20240625

Compiler output

sign.c: sign.c:48:6: warning: variable 'rc' is uninitialized when used here [-Wuninitialized]
sign.c:   if(rc == PQNTRU_ERROR)
sign.c:      ^~
sign.c: sign.c:40:9: note: initialize the variable 'rc' to silence this warning
sign.c:   int rc;
sign.c:         ^
sign.c:          = 0
sign.c: sign.c:86:6: warning: variable 'rc' is uninitialized when used here [-Wuninitialized]
sign.c:   if(rc == PQNTRU_ERROR)
sign.c:      ^~
sign.c: sign.c:76:9: note: initialize the variable 'rc' to silence this warning
sign.c:   int rc;
sign.c:         ^
sign.c:          = 0
sign.c: 2 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_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

sign.c: sign.c: In function 'crypto_sign_ntrumls743x_ref_timingleaks_keypair':
sign.c: sign.c:48:5: warning: 'rc' may be used uninitialized [-Wmaybe-uninitialized]
sign.c:    48 |   if(rc == PQNTRU_ERROR)
sign.c:       |     ^
sign.c: sign.c: In function 'crypto_sign_ntrumls743x_ref_timingleaks':
sign.c: sign.c:86:5: warning: 'rc' may be used uninitialized [-Wmaybe-uninitialized]
sign.c:    86 |   if(rc == PQNTRU_ERROR)
sign.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)`