Implementation notes: aarch64, pi4b, crypto_aead/limdolen256v1

Computer: pi4b
Microarchitecture: aarch64; Cortex-A72 (410fd083)
Architecture: aarch64
CPU ID: 410fd083
SUPERCOP version: 20240808
Operation: crypto_aead
Primitive: limdolen256v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
607744	5068 32 0	19454 872 856	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240821	20240808
702722	3228 32 0	16688 856 864	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240821	20240808
1137907	2376 32 0	14863 840 848	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240821	20240808
1168267	2056 32 0	13480 832 840	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240821	20240808
1179198	2428 32 0	14848 848 848	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240821	20240808

Compiler output

encrypt.c: encrypt.c:199:12: warning: array subscript is of type 'char' [-Wchar-subscripts]
encrypt.c:         tag[paddingStart] ^= 0xC0;
encrypt.c:            ^~~~~~~~~~~~~
encrypt.c: encrypt.c:201:12: warning: array subscript is of type 'char' [-Wchar-subscripts]
encrypt.c:         tag[paddingStart] ^= 0x80;
encrypt.c:            ^~~~~~~~~~~~~
encrypt.c: 2 warnings generated.

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

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

Compiler output

encrypt.c: encrypt.c: In function 'makeTag':
encrypt.c: encrypt.c:199:12: warning: array subscript has type 'char' [-Wchar-subscripts]
encrypt.c:   199 |         tag[paddingStart] ^= 0xC0;
encrypt.c:       |            ^
encrypt.c: encrypt.c:201:12: warning: array subscript has type 'char' [-Wchar-subscripts]
encrypt.c:   201 |         tag[paddingStart] ^= 0x80;
encrypt.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)`

Namespace violations

encrypt.o e128Round T
encrypt.o e256Rounds T
encrypt.o roundConsts D

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`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)`