Implementation notes: amd64, comet, crypto_aead/lacv1

Computer: comet
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_aead
Primitive: lacv1
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
4738367579 16 024102 884 1024T:refclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024010620231222
4765957739 16 025798 884 1088T:refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024010620231222
4768117723 16 025486 884 1056T:refclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024010620231222
5113016082 16 022357 812 1088T:refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024010620231222
17406724341 16 018733 812 1088T:refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024010620231222
18903044851 16 018878 884 1024T:refclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024010620231222
19506834046 16 018868 876 1088T:refclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024010620231222
20071534583 16 018492 804 1088T:refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024010620231222
27697983382 16 016048 788 1056T:refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024010620231222

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 'padding',
encrypt.c: inlined from 'crypto_aead_lacv1_ref_timingleaks_encrypt' at encrypt.c:426:3:
encrypt.c: encrypt.c:25:28: warning: writing 4 bytes into a region of size 0 [-Wstringop-overflow=]
encrypt.c: 25 | xpad[xpadlen - 5] = ((xlen * 8) >> 32) & 0xff;
encrypt.c: | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_lacv1_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:425:41: note: at offset -5 into destination object of size 0 allocated by 'malloc'
encrypt.c: 425 | mpad = (unsigned char *)malloc(mpadlen); //the array to store padded message(mpad bytes)
encrypt.c: | ^~~~~~~~~~~~~~~
encrypt.c: In function 'padding',
encrypt.c: inlined from 'crypto_aead_lacv1_ref_timingleaks_encrypt' at encrypt.c:426:3:
encrypt.c: encrypt.c:29:28: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
encrypt.c: 29 | xpad[xpadlen - 1] = ((xlen * 8) >> 0) & 0xff;
encrypt.c: | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_lacv1_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:425:41: note: at offset -1 into destination object of size 0 allocated by 'malloc'
encrypt.c: 425 | mpad = (unsigned char *)malloc(mpadlen); //the array to store padded message(mpad bytes)
encrypt.c: | ^~~~~~~~~~~~~~~
Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ref