Implementation notes: amd64, kizomba, crypto_aead/flexaead256b256v12

Computer: kizomba
Microarchitecture: amd64; Kaby Lake (906e9)
Architecture: amd64
CPU ID: GenuineIntel-000906e9-1fc9cbf5
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: flexaead256b256v12

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
195701	14668 0 0	29133 768 928	`T:opt1`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
201244	10513 0 0	23729 752 896	`T:opt1`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
209005	20598 0 0	37932 816 920	`T:opt1`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
211593	20518 0 0	37556 816 872	`T:opt1`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
216900	15925 0 0	29910 808 920	`T:opt1`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
217020	19255 0 0	35260 816 856	`T:opt1`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
218982	19049 0 0	32620 816 856	`T:opt1`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
250010	23526 0 0	39508 816 856	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
252545	30356 0 0	47748 816 920	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
255786	30324 0 0	47420 816 872	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
266172	51671 0 0	68900 792 928	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
276661	12651 0 0	26212 816 856	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
294403	11570 0 0	26660 792 928	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
294996	12345 0 0	26494 808 920	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
298009	10538 0 0	25284 792 928	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
375375	6850 0 0	20255 768 896	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	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)`