University of Tennessee at Chattanooga
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Modern processor architectures sacrifice timing predictability for increased average computational throughput. Branch prediction, multi-level memory hierarchies, out-of-order execution, and data forwarding all make exact execution timing prediction impossible. As accurate runtime predictions are required for task scheduling, the goal of this research is to develop a Precision Timed (PRET) processor, along with the inter-process communication methods and operating system services, which remove many of the sources of timing indeterminacy.
