Implementation notes: amd64, hydra7, crypto_aead/kiasuneq128v1

Computer: hydra7
Microarchitecture: amd64; Sandy Bridge+AES (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: kiasuneq128v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
8017	15515 0 0	36724 812 1088	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
8053	15044 0 0	36684 812 1088	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
8084	19644 0 0	42508 812 1088	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
8489	14478 0 0	33911 788 1056	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
223033	20671 0 0	35892 812 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
225783	22616 0 0	39060 812 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
235373	19239 0 0	32839 788 1056	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
249119	20049 0 0	35020 812 1088	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625

Compiler output

try.c: /usr/bin/ld: libcrypto_aead_kiasuneq128v1.a(aes_tweaked.o): relocation R_X86_64_32S against symbol `M0' can not be used when making a PIE object; recompile with -fPIE
try.c: /usr/bin/ld: failed to set dynamic section sizes: bad value
try.c: collect2: error: ld returned 1 exit status

Number of similar (implementation,compiler) pairs: 4, namely:

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

Compiler output

encrypt.c: encrypt.c: In function 'crypto_aead_kiasuneq128v1_opt_timingleaks_decrypt':
encrypt.c: encrypt.c:70:12: warning: unused variable 'outlen' [-Wunused-variable]
encrypt.c:    70 |     size_t outlen = 0;
encrypt.c:       |            ^~~~~~

Number of similar (implementation,compiler) pairs: 4, namely:

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

Compiler output

kiasu.c: In function 'set_nonce_in_tweak',
kiasu.c:     inlined from 'kiasu_aead_decrypt' at kiasu.c:224:5:
kiasu.c: kiasu.c:53:21: warning: 'tweak' is used uninitialized [-Wuninitialized]
kiasu.c:    53 |     tweak[0]= (tweak[0]&0xe0)  ^ (nonce[0] >> 3);
kiasu.c:       |                ~~~~~^~~
kiasu.c: kiasu.c: In function 'kiasu_aead_decrypt':
kiasu.c: kiasu.c:207:13: note: 'tweak' declared here
kiasu.c:   207 |     uint8_t tweak[8];
kiasu.c:       |             ^~~~~

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

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