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Message passing multiprocessor
Martins, Ernesto Fernando Ventura; Cruz, António Nunes daThis work describes the arquitecture and the implementation of a message passing multiprocessor system. Processors are interconnected through a commercial backplane bus, and run each a multitasking provided by a multiprocessing extension, supports interaction between processes. (...); Esta tese descreve a arquitectura e a implementação dum sistema multiprocessador. Os processadores estão interligados através du...
Multiprocessor and Real-Time Parallel Processing
Cruz, António Nunes da; Oliveira, Pedro Guedes deThe main subject of this thesis is a distributed, real-time processing system, which we have developed for application in the processing and classification of biological signals. As a matter of fact, one way to inrrease a system's processing power consists in the utilization of multiple processors sharing the workload among themselves; the management and coordination of shared resources becomes specially critic...
Extensão do sistema operativo OS9 a um ambiente de multiprocessamento
Martins, Ernesto F. V.; Cruz, António Nunes daThis paper describes an interprocess communication system built around the message passing model which we have developped for our bus-based multiprocessor. Starting from an OS9 operating system kernel already up and running in each processor, we designed an extension, made up of an integrated set of system modules, which manages message communication between processors and provides to application processes a gl...