International Business Machines Corporation

Daniel Eqidio Reyes

Robert Gerard LaBrie

David Edward Bohm

A method for utilizing dispatch queues operates in a data processing system that has multiple processors, an operating system, and an application with multiple threads. According to that method, a dedicated dispatch queue and a general dispatch queue are created at an application level, with the dedicated dispatch queue being dedicated to a task control block (TCB) of the data processing system. In response to determining that the TCB is available and the dedicated dispatch queue is not empty, a thread is dispatched from the dedicated dispatch queue to the available TCB for execution. In response to determining that the TCB is available and the dedicated dispatch queue is empty, a thread is dispatched from the general dispatch queue to the available TCB for execution. In an illustrative embodiment, bound threads are distinguished from unbound threads, the bound threads are scheduled only on the dedicated dispatch queue, and the unbound threads are scheduled only on the general dispatch queue.

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Tuscon, AZ, United States of America

Daniel Eqidio Reyes