Implementation notes: amd64, jasper2, crypto_aead/lacv1
Computer: jasper2
Microarchitecture: amd64; Tremont (906c0)
Architecture: amd64
CPU ID: GenuineIntel-000906c0-20-bfebfbff
SUPERCOP version: 20240716
Operation: crypto_aead
Primitive: lacv1
Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
517137 | 5747 16 0 | 21505 812 1080 | T:ref | gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
1165852 | 8344 16 0 | 24749 844 1016 | T:ref | clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
1250616 | 7346 16 0 | 22741 844 1016 | T:ref | clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
1264139 | 7410 16 0 | 25109 844 1016 | T:ref | clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
1963347 | 3980 16 0 | 18043 836 1016 | T:ref | clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
2076469 | 4778 16 0 | 19353 812 1080 | T:ref | gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
2322588 | 4648 16 0 | 18808 804 1080 | T:ref | gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
2505599 | 3456 16 0 | 16979 836 1016 | T:ref | clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
3202721 | 3400 16 0 | 16356 788 1048 | T:ref | gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240629 | 20240625 |
Compiler output
encrypt.c: In function 'padding',
encrypt.c: inlined from 'crypto_aead_lacv1_ref_timingleaks_encrypt' at encrypt.c:426:3:
encrypt.c: encrypt.c:25:22: warning: writing 1 byte 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:425:27: note: at offset -5 to an object with size 0 allocated by 'malloc' here
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:26:22: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
encrypt.c: 26 | xpad[xpadlen - 4] = ((xlen * 8) >> 24) & 0xff;
encrypt.c: | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_lacv1_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:425:27: note: at offset -4 to an object with size 0 allocated by 'malloc' here
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:27:22: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
encrypt.c: 27 | xpad[xpadlen - 3] = ((xlen * 8) >> 16) & 0xff;
encrypt.c: | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_lacv1_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:425:27: note: at offset -3 to an object with size 0 allocated by 'malloc' here
encrypt.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 (10.2.1_20210110) |
Compiler output
encrypt.c: encrypt.c: In function 'crypto_aead_lacv1_ref_timingleaks_decrypt':
encrypt.c: encrypt.c:619:29: warning: 'mpad' may be used uninitialized in this function [-Wmaybe-uninitialized]
encrypt.c: 619 | datastate[j + 2] ^= mpad[i + j];
encrypt.c: | ^
Number of similar (implementation,compiler) pairs: 2, namely:
Implementation | Compiler |
T:ref | gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
T:ref | gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |