Implementation notes: amd64, h6sandy, crypto_stream/amastrid
Computer: h6sandy
Microarchitecture: amd64; Sandy Bridge (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240808
Operation: crypto_stream
Primitive: amastrid
| Time | Object size | Test size | Implementation | Compiler | Benchmark date | SUPERCOP version |
|---|
| 70435 | 18506 24 2350 | 36732 1164 3360 | T:ref | clang++_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
| 70918 | 21969 32 2462 | 42481 1684 3552 | T:ref | g++_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
| 71312 | 18598 24 2350 | 38772 1164 3360 | T:ref | clang++_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
| 72613 | 15834 24 2350 | 32316 1164 3360 | T:ref | clang++_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
| 75639 | 17080 24 2350 | 32796 1148 3328 | T:ref | clang++_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
| 75716 | 19548 24 2462 | 38263 1668 3552 | T:ref | g++_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
| 76022 | 19778 24 2462 | 38948 1676 3552 | T:ref | g++_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
| 105341 | 12200 24 2462 | 28624 1108 3520 | T:ref | g++_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall | 20240718 | 20240716 |
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 (11.4.0) |
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 (11.4.0) |
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: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 (11.4.0) |
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 (11.4.0) |