Implementation notes: amd64, hydra5, crypto_aead/flexaead256b256v12

Computer: hydra5
Microarchitecture: amd64; K10 32nm (300f10)
Architecture: amd64
CPU ID: AuthenticAMD-00300f10-178bfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: flexaead256b256v12

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
635801	14676 0 0	29660 796 1088	`T:opt1`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
660282	66939 0 0	84307 820 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
663084	19255 0 0	35704 860 1024	`T:opt1`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
663129	19255 0 0	34816 860 1024	`T:opt1`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
663541	19255 0 0	35704 860 1024	`T:opt1`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
669554	19258 0 0	33384 860 1024	`T:opt1`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
682241	23526 0 0	39952 860 1024	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
682692	23526 0 0	39952 860 1024	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
685911	23478 0 0	39000 860 1024	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
711628	10513 0 0	24192 780 1056	`T:opt1`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
714644	12844 0 0	26960 860 1024	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
726232	10731 0 0	25955 820 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
732739	9378 0 0	22674 852 1024	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
741364	12201 0 0	28251 820 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
745920	12852 0 0	26162 852 1024	`T:opt1`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
826965	6726 0 0	20574 796 1056	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625

Compiler output

encrypt.c: In function 'memcpyopt',
encrypt.c:     inlined from 'dirMixQuartersLayer' at encrypt.c:954:2,
encrypt.c:     inlined from 'dirPFK' at encrypt.c:1423:3,
encrypt.c:     inlined from 'FlexAEADv1_init' at encrypt.c:674:3:
encrypt.c: encrypt.c:697:42: warning: 'keystate' may be used uninitialized [-Wmaybe-uninitialized]
encrypt.c:   697 |             *((crypto_uint64 *) (a+i)) = *((crypto_uint64 *) (b+i));
encrypt.c:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'FlexAEADv1_init':
encrypt.c: encrypt.c:629:23: note: 'keystate' declared here
encrypt.c:   629 |         unsigned char keystate[KEYSIZE];
encrypt.c:       |                       ^~~~~~~~
encrypt.c: In function 'memcpyopt',
encrypt.c:     inlined from 'dirMixQuartersLayer' at encrypt.c:954:2,
encrypt.c:     inlined from 'dirPFK' at encrypt.c:1423:3,
encrypt.c:     inlined from 'FlexAEADv1_init' at encrypt.c:674:3:
encrypt.c: encrypt.c:707:42: warning: 'keystate' may be used uninitialized [-Wmaybe-uninitialized]
encrypt.c:   707 |             *((crypto_uint16 *) (a+i)) = *((crypto_uint16 *) (b+i));
encrypt.c:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'FlexAEADv1_init':
encrypt.c: encrypt.c:629:23: note: 'keystate' declared here
encrypt.c:   629 |         unsigned char keystate[KEYSIZE];
encrypt.c:       |                       ^~~~~~~~
encrypt.c: In function 'memcpyopt',
encrypt.c:     inlined from 'dirMixQuartersLayer' at encrypt.c:954:2,
encrypt.c:     inlined from 'dirPFK' at encrypt.c:1423:3,
encrypt.c: ...

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

Implementation	Compiler
`T:opt1`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:opt1`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

encrypt.c: encrypt.c:777:2: warning: misleading indentation; statement is not part of the previous 'for' [-Wmisleading-indentation]
encrypt.c:         dirPFK( block, (*self).nBytes, ((*self).subkeys + SUBKEY0),  (*self).nRounds, (*self).state );
encrypt.c:         ^
encrypt.c: encrypt.c:774:5: note: previous statement is here
encrypt.c:     for( unsigned i = 0; i<(*self).nBytes; i+=8)
encrypt.c:     ^
encrypt.c: encrypt.c:799:2: warning: misleading indentation; statement is not part of the previous 'for' [-Wmisleading-indentation]
encrypt.c:         invPFK( block, (*self).nBytes, ((*self).subkeys + SUBKEY1),  (*self).nRounds, (*self).state );
encrypt.c:         ^
encrypt.c: encrypt.c:796:5: note: previous statement is here
encrypt.c:     for( unsigned i = 0; i<(*self).nBytes; i+=8)
encrypt.c:     ^
encrypt.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)`