Abstract
AbstractThis paper describes the development of a parallel Ada system on an experimental MIMD multiprocessor. The system enables a single unmodified Ada program, with a number of tasks, to execute in parallel on different processors. Allocation and migration strategies are controlled by mechanisms in the run‐time system, and are thus transparent to the Ada programmer. The parallel Ada system is based on a validated portable front‐end compiler. Implementation issues related to the multiprocessor environment are pointed out, and solutions to these issues are suggested. The experimental multiprocessor environment, consisting of both hardware and software, is described. Applicable resource allocation strategies in, and feasible experiments with, the Ada system are discussed. The complete experimental system provides unique possibilities to experiment with, and monitor the effects of, design decisions at different levels in a multiprocessor environment.
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