Implementation notes: amd64, hertz, crypto_stream/amastrid

Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240716
Operation: crypto_stream
Primitive: amastrid

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
45851	22332 24 2350	45721 1124 3432	`T:ref`	`clang++_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
47210	26653 32 2462	48108 1692 3624	`T:ref`	`g++_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
47630	22328 24 2350	45788 1140 3432	`T:ref`	`clang++_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
50230	20061 32 2462	39276 1684 3560	`T:ref`	`g++_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
55888	16852 24 2350	34383 1140 3432	`T:ref`	`clang++_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
73519	12470 24 2462	28856 1108 3528	`T:ref`	`g++_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716

Compiler output

Amastrid.cpp: Amastrid.cpp: In member function 'void Amastrid::Decrypt(unsigned int*)':
Amastrid.cpp: Amastrid.cpp:251:13: warning: 'pos1temp' may be used uninitialized [-Wmaybe-uninitialized]
Amastrid.cpp:   251 |             if (pos1temp != pos2)
Amastrid.cpp:       |             ^~
Amastrid.cpp: Amastrid.cpp:212:35: note: 'pos1temp' was declared here
Amastrid.cpp:   212 |     int pos1, pos2, pos1o, pos2o, pos1temp, inc1, inc2;
Amastrid.cpp:       |                                   ^~~~~~~~
Amastrid.cpp: Amastrid.cpp:307:18: warning: 'pos1o' may be used uninitialized [-Wmaybe-uninitialized]
Amastrid.cpp:   307 |             else if (pos2 == pos1o)
Amastrid.cpp:       |                  ^~
Amastrid.cpp: Amastrid.cpp:212:21: note: 'pos1o' was declared here
Amastrid.cpp:   212 |     int pos1, pos2, pos1o, pos2o, pos1temp, inc1, inc2;
Amastrid.cpp:       |                     ^~~~~
Amastrid.cpp: Amastrid.cpp:289:18: warning: 'pos2o' may be used uninitialized [-Wmaybe-uninitialized]
Amastrid.cpp:   289 |             else if (pos1 == pos2o)
Amastrid.cpp:       |                  ^~
Amastrid.cpp: Amastrid.cpp:212:28: note: 'pos2o' was declared here
Amastrid.cpp:   212 |     int pos1, pos2, pos1o, pos2o, pos1temp, inc1, inc2;
Amastrid.cpp:       |                            ^~~~~

Number of similar (implementation,compiler) pairs: 3, namely:

Implementation	Compiler
`T:ref`	`g++ -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`T:ref`	`g++ -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`
`T:ref`	`g++ -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)`