Implementation notes: amd64, cezanne, crypto_stream/amastrid
Computer: cezanne
Microarchitecture: amd64; Zen 3 (a50f00)
Architecture: amd64
CPU ID: AuthenticAMD-00a50f00-178bfbff
SUPERCOP version: 20240625
Operation: crypto_stream
Primitive: amastrid
| Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 50238 | 18100 24 2462 | 35521 1628 3544 | T:ref | g++_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 51399 | 20733 32 2462 | 40637 1652 3544 | T:ref | g++_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 52784 | 17487 24 2350 | 36601 1124 3352 | T:ref | clang++_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 53230 | 18692 24 2462 | 36972 1652 3544 | T:ref | g++_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 54416 | 18672 24 2350 | 37905 1124 3352 | T:ref | clang++_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 56820 | 16596 24 2350 | 32299 1100 3352 | T:ref | clang++_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 57804 | 11122 24 2462 | 26476 1076 3512 | T:ref | g++_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
| 78002 | 15684 24 2350 | 34968 1212 3320 | T:ref | clang++_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240626 | 20240625 |
Compiler output
Amastrid.cpp: Amastrid.cpp: In member function 'void Amastrid::Encrypt(unsigned int*)':
Amastrid.cpp: Amastrid.cpp:120:17: warning: 'pos2' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 120 | if (pos1 > pos2)
Amastrid.cpp: | ^~
Amastrid.cpp: Amastrid.cpp: In member function 'void Amastrid::Decrypt(unsigned int*)':
Amastrid.cpp: Amastrid.cpp:253:17: warning: 'pos1temp' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 253 | if (pos1temp > pos2)
Amastrid.cpp: | ^~
Amastrid.cpp: Amastrid.cpp:289:18: warning: 'pos2o' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 289 | else if (pos1 == pos2o)
Amastrid.cpp: | ^~
Amastrid.cpp: Amastrid.cpp:291:17: warning: 'pos1o' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 291 | if (pos2 == pos1o)
Amastrid.cpp: | ^~
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:ref | g++ -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
Compiler output
Amastrid.cpp: Amastrid.cpp: In member function 'void Amastrid::Encrypt(unsigned int*)':
Amastrid.cpp: Amastrid.cpp:126:60: warning: 'pos2' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 126 | Amastrid::ShiftLeftRot(ar, _size, pos2 - pos1);
Amastrid.cpp: | ~~~~~^~~~~~
Amastrid.cpp: Amastrid.cpp: In member function 'void Amastrid::Decrypt(unsigned int*)':
Amastrid.cpp: Amastrid.cpp:259:61: warning: 'pos1temp' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 259 | Amastrid::ShiftRightRot(ar, _size, pos2 - pos1temp);
Amastrid.cpp: | ~~~~~^~~~~~~~~~
Amastrid.cpp: Amastrid.cpp:289:18: warning: 'pos2o' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 289 | else if (pos1 == pos2o)
Amastrid.cpp: | ^~
Amastrid.cpp: Amastrid.cpp:291:17: warning: 'pos1o' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 291 | if (pos2 == pos1o)
Amastrid.cpp: | ^~
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:ref | g++ -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
Compiler output
Amastrid.cpp: Amastrid.cpp: In member function 'void Amastrid::Encrypt(unsigned int*)':
Amastrid.cpp: Amastrid.cpp:122:61: warning: 'pos2' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 122 | Amastrid::ShiftRightRot(ar, _size, pos1 - pos2);
Amastrid.cpp: | ~~~~~^~~~~~
Amastrid.cpp: Amastrid.cpp: In member function 'void Amastrid::Decrypt(unsigned int*)':
Amastrid.cpp: Amastrid.cpp:251:13: warning: 'pos1temp' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 251 | if (pos1temp != pos2)
Amastrid.cpp: | ^~
Amastrid.cpp: Amastrid.cpp:289:18: warning: 'pos2o' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 289 | else if (pos1 == pos2o)
Amastrid.cpp: | ^~
Amastrid.cpp: Amastrid.cpp:291:17: warning: 'pos1o' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 291 | if (pos2 == pos1o)
Amastrid.cpp: | ^~
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:ref | g++ -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
Compiler output
Amastrid.cpp: Amastrid.cpp: In member function 'void Amastrid::Encrypt(unsigned int*)':
Amastrid.cpp: Amastrid.cpp:126:60: warning: 'pos2' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 126 | Amastrid::ShiftLeftRot(ar, _size, pos2 - pos1);
Amastrid.cpp: | ~~~~~^~~~~~
Amastrid.cpp: Amastrid.cpp: In member function 'void Amastrid::Decrypt(unsigned int*)':
Amastrid.cpp: Amastrid.cpp:251:13: warning: 'pos1temp' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 251 | if (pos1temp != pos2)
Amastrid.cpp: | ^~
Amastrid.cpp: Amastrid.cpp:289:18: warning: 'pos2o' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 289 | else if (pos1 == pos2o)
Amastrid.cpp: | ^~
Amastrid.cpp: Amastrid.cpp:291:17: warning: 'pos1o' may be used uninitialized in this function [-Wmaybe-uninitialized]
Amastrid.cpp: 291 | if (pos2 == pos1o)
Amastrid.cpp: | ^~
Number of similar (implementation,compiler) pairs: 1, namely:
| Implementation | Compiler |
| T:ref | g++ -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |