[QGIS-Developer] Qgis task slows down main Qgis process

[MANZER Ali]

Hello,
I am currently developing a plugin with PyQGIS and have a question regarding QGIS Task. The documentation states that the run method is executed in parallel and is developed in C++. However, from my experience, I notice that whenever a large computation (with NumPy in my case) is being performed inside a QGIS task, the performance of the code running in the main QGIS thread is significantly slowed down.
I have no computation in the method that runs after the thread. Is this slowdown due to the Python GIL?
Sincerely,
Ali
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