Implementation notes: amd64, cubi10, crypto_sign/ntrumls401x

Computer: cubi10
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_sign
Primitive: ntrumls401x

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
790241	24255 322 4164	58473 1132 6008	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240702	20240625
990007	30432 322 4160	65046 1172 5944	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240702	20240625
996100	27151 322 4160	61766 1172 5944	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240702	20240625
1164210	27263 322 4160	61142 1172 5912	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240702	20240625
1281645	14202 322 4160	45364 1164 5912	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240702	20240625
1352151	15204 322 4164	47521 1132 6008	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240702	20240625
1375779	14746 322 4164	46618 1140 6008	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240702	20240625
1385665	14131 322 4160	45612 1164 5912	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240702	20240625
1618324	12472 322 4164	43226 1132 5976	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240702	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 (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

sign.c: sign.c: In function 'crypto_sign_ntrumls401x_ref_timingleaks_keypair':
sign.c: sign.c:48:5: warning: 'rc' may be used uninitialized in this function [-Wmaybe-uninitialized]
sign.c:    48 |   if(rc == PQNTRU_ERROR)
sign.c:       |     ^
sign.c: sign.c: In function 'crypto_sign_ntrumls401x_ref_timingleaks':
sign.c: sign.c:86:5: warning: 'rc' may be used uninitialized in this function [-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 (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`