Implementation notes: amd64, hertz, crypto_aead/flexaead256b256v1

Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240425
Operation: crypto_aead
Primitive: flexaead256b256v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
701580	27544 0 0	48599 828 1096	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240429	20240425
702821	27544 0 0	48711 828 1096	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240429	20240425
823716	9794 0 0	25219 820 1096	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
1138261	4320 0 0	18030 796 1064	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
1232577	10897 0 0	25952 820 1096	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240429	20240425

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE

encrypt.c: In function 'dirPFK',
encrypt.c: inlined from 'crypto_aead_flexaead256b256v1_ref_timingleaks_encrypt' at encrypt.c:164:2:
encrypt.c: encrypt.c:376:36: warning: writing 32 bytes into a region of size 0 [-Wstringop-overflow=]
encrypt.c: 376 | *(block+i) = (*(block+i))^(*(block+i+(blocklen/2)));
encrypt.c: | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_flexaead256b256v1_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:104:23: note: at offset 32 into destination object 'tag' of size 32
encrypt.c: 104 | unsigned char tag[BLOCKSIZE];
encrypt.c: | ^~~
encrypt.c: In function 'dirPFK',
encrypt.c: inlined from 'crypto_aead_flexaead256b256v1_ref_timingleaks_encrypt' at encrypt.c:164:2:
encrypt.c: encrypt.c:376:36: warning: writing 32 bytes into a region of size 0 [-Wstringop-overflow=]
encrypt.c: 376 | *(block+i) = (*(block+i))^(*(block+i+(blocklen/2)));
encrypt.c: | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_flexaead256b256v1_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:104:23: note: at offset [64, 96] into destination object 'tag' of size 32
encrypt.c: 104 | unsigned char tag[BLOCKSIZE];
encrypt.c: | ^~~
encrypt.c: In function 'dirPFK',
encrypt.c: inlined from 'crypto_aead_flexaead256b256v1_ref_timingleaks_encrypt' at encrypt.c:164:2:
encrypt.c: encrypt.c:381:49: warning: writing 32 bytes into a region of size 0 [-Wstringop-overflow=]
encrypt.c: 381 | *(block+i+(blocklen/2)) = (*(block+i))^(*(block+i+(blocklen/2)));
encrypt.c: | ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_flexaead256b256v1_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:104:23: note: at offset 128 into destination object 'tag' of size 32
encrypt.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref