Implementation notes: amd64, renoir, crypto_aead/ifeedaes128n96v1

Computer: renoir
Microarchitecture: amd64; Zen 2 (860f01)
Architecture: amd64
CPU ID: AuthenticAMD-00860f01-178bfbff
SUPERCOP version: 20240716
Operation: crypto_aead
Primitive: ifeedaes128n96v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
246020	13183 1055 176	35240 1876 1208	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
259774	13947 1055 176	36272 1876 1208	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
298448	20815 1056 176	43624 1844 1272	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
369379	11791 1055 176	33720 1876 1208	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
485462	4902 1055 176	24662 1868 1208	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
488662	5144 1055 176	24710 1868 1208	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
577629	6739 1056 176	27856 1844 1272	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
602247	5174 1056 176	25559 1836 1272	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
675975	4331 1056 176	23171 1820 1240	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716

Compiler output

encrypt.c: encrypt.c: In function 'crypto_aead_ifeedaes128n96v1_ref_timingleaks_decrypt':
encrypt.c: encrypt.c:407:19: warning: variable 'LastCiphertextBlock' set but not used [-Wunused-but-set-variable]
encrypt.c:   407 |     unsigned char LastCiphertextBlock[16], PaddedBlock[16];
encrypt.c:       |                   ^~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'keyschedule':
encrypt.c: encrypt.c:52:11: warning: 'KN' may be used uninitialized in this function [-Wmaybe-uninitialized]
encrypt.c:    52 |     for(i = KN / 4; i < (roundNum + 1) * 4; i++)
encrypt.c:       |         ~~^~~~~~~~

Number of similar (implementation,compiler) pairs: 3, 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 -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

encrypt.c: encrypt.c: In function 'crypto_aead_ifeedaes128n96v1_ref_timingleaks_decrypt':
encrypt.c: encrypt.c:407:19: warning: variable 'LastCiphertextBlock' set but not used [-Wunused-but-set-variable]
encrypt.c:   407 |     unsigned char LastCiphertextBlock[16], PaddedBlock[16];
encrypt.c:       |                   ^~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'keyschedule':
encrypt.c: encrypt.c:33:9: warning: 'KN' may be used uninitialized in this function [-Wmaybe-uninitialized]
encrypt.c:    33 |     int KN, i;
encrypt.c:       |         ^~

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Namespace violations

encrypt.o AES128Enc T
encrypt.o RC D
encrypt.o RoundKey B
encrypt.o Times2 T
encrypt.o keyschedule T
encrypt.o sbox D

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