Aspects of the disclosure provide for mechanisms for scheduling computing tasks in a computer system. A method of the disclosure includes maintaining a priority queue comprising a plurality of computing tasks sorted in view of a plurality of numerical representations of priorities associated with the plurality of computing tasks; determining an attribute mask for a processing unit of a computer system, the attribute mask comprising a numerical representation of at least one attribute of the processing unit; and identifying, in view of the attribute mask, a computing task in the priority queue of the sorted computing tasks for processing by the processing unit of the computer system.