Implementation notes: amd64, hydra4, crypto_stream/amastrid
Computer: hydra4
Microarchitecture: amd64; K10 32nm (300f10)
Architecture: amd64
CPU ID: AuthenticAMD-00300f10-178bfbff
SUPERCOP version: 20240716
Operation: crypto_stream
Primitive: amastrid
Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
87424 | 18351 24 2462 | 37188 1660 3544 | T:ref | g++_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
89462 | 19060 24 2350 | 37881 1124 3352 | T:ref | clang++_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
89872 | 22000 24 2462 | 41877 1644 3544 | T:ref | g++_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
91415 | 18026 24 2350 | 36029 1124 3352 | T:ref | clang++_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
93400 | 14838 24 2350 | 30619 1100 3352 | T:ref | clang++_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
107973 | 17680 24 2462 | 35152 1628 3544 | T:ref | g++_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
111133 | 11113 24 2462 | 26444 1076 3512 | T:ref | g++_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 20240625 |
132866 | 15508 24 2350 | 34880 1212 3320 | T:ref | clang++_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240628 | 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: 2, namely:
Implementation | Compiler |
T:ref | g++ -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110) |
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) |