# Pastebin gSxt4K9u
$ python3 examples/corelib/threads/mandelbrot.py 
Pass 1/8, max iterations: 96, time: 4.111s
Pass 2/8, max iterations: 288, time: 7.179s
Pass 3/8, max iterations: 1056, time: 22.156s
Pass 4/8, max iterations: 4128, time: 82.706s
Pass 5/8, max iterations: 16416, time: 371.348s
$ pypy3 examples/corelib/threads/mandelbrot.py
Pass 1/8, max iterations: 96, time: 4.732s
Pass 2/8, max iterations: 288, time: 4.99s
Pass 3/8, max iterations: 1056, time: 6.872s
Pass 4/8, max iterations: 4128, time: 12.451s
Pass 5/8, max iterations: 16416, time: 33.341s
$ $ ~/Qt/Examples/Qt-6.3.0/corelib/threads/build-mandelbrot-Qt_6_2_2_for_macOS-Release/mandelbrot.app/Contents/MacOS/mandelbrot 
 Pass 1/8, max iterations: 96, time: 52ms
 Pass 2/8, max iterations: 288, time: 140ms
 Pass 3/8, max iterations: 1056, time: 438ms
 Pass 4/8, max iterations: 4128, time: 1680ms
 Pass 5/8, max iterations: 16416, time: 6s