OpenCL: work-around for double precision GPU on Apple-silicon #1730

Job	Run time
Python 3.8 on ubuntu-20.04 PyQt5	10m 18s
Python 3.8 on ubuntu-20.04 PyQt5	10m 18s
Python 3.11 on ubuntu-latest PyQt6	10m 22s
Python 3.11 on ubuntu-latest PyQt6	10m 22s
Python 3.12 on ubuntu-latest PySide6	9m 37s
Python 3.12 on ubuntu-latest PySide6	9m 37s
Python 3.10 on macos-13 PyQt5	11m 18s
Python 3.10 on macos-13 PyQt5	11m 18s
Python 3.12 on macos-13 PyQt6	12m 59s
Python 3.12 on macos-13 PyQt6	12m 59s
Python 3.9 on macos-13 PySide6	12m 37s
Python 3.9 on macos-13 PySide6	12m 37s
Python 3.9 on windows-latest PyQt5	10m 38s
Python 3.9 on windows-latest PyQt5	11m 20s
Python 3.12 on windows-latest PyQt6	10m 29s
Python 3.12 on windows-latest PyQt6	10m 29s
Python 3.10 on windows-latest PySide6	10m 7s
Python 3.10 on windows-latest PySide6	10m 7s
	3h 17m 32s

Provide feedback