Implementation notes: amd64, samba, crypto_aead/ifeedaes128n104v1

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240808
Operation: crypto_aead
Primitive: ifeedaes128n104v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
237681	15121 1055 176	37395 1908 1216	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
286540	19722 1056 176	43557 1868 1280	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
376807	13634 1055 176	37243 1908 1216	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
519937	14362 1055 176	38259 1908 1280	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
549291	5144 1055 176	25861 1900 1280	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
562911	5750 1055 176	25547 1908 1216	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
573024	7080 1056 176	28749 1868 1280	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
595961	5499 1056 176	26580 1860 1280	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
607769	4418 1056 176	23816 1844 1248	`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_ifeedaes128n104v1_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 [-Wmaybe-uninitialized]
encrypt.c:    52 |     for(i = KN / 4; i < (roundNum + 1) * 4; i++)
encrypt.c:       |         ~~^~~~~~~~

Number of similar (implementation,compiler) pairs: 2, 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)`

Compiler output

encrypt.c: encrypt.c: In function 'crypto_aead_ifeedaes128n104v1_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 (11.4.0)`

Compiler output

encrypt.c: encrypt.c: In function 'crypto_aead_ifeedaes128n104v1_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: 1, namely:

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

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 (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)`
`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)`