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Multiple priorities for the transputer張文浩, Cheung, Man-Ho, Zwicky. January 1994 (has links)
published_or_final_version / Computer Science / Master / Master of Philosophy
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Multiple priorities for the transputer /Cheung, Man-Ho, Zwicky. January 1994 (has links)
Thesis (M. Phil.)--University of Hong Kong, 1994. / Includes bibliographical references (leaves 63-64).
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TVIEW - a graphical representation of programs running on the transputerLarsen, Hilde Anita January 1991 (has links)
The primary motivation behind building multiprocessors is to cost-effectively improve system performance. Debugging and performance analysis of parallel programs, however, are complex tasks and the lack of tools to observe the behaviour of a program running on a multicomputer network, limits the programmers ability to efficiently debug and optimize parallel programs.
In this thesis we investigate the use of different graphical representations of parallel programs running on a network of transputers as a tool for performance analysis. Postmortem
traces collected from the program execution by the underlying monitor enables us to graphically reconstruct the states of the system that were true at run time. We show how the performance analyst can get an accurate view of the behaviour of the parallel program during execution by using a basic set of visualization tools.
The challenge is to determine the types of graphical displays that are most useful for presenting the behaviour and performance of a parallel program.
Problems in graphically visualization of parallel program executions are: efficiently managing of potentially large volumes of performance data, ensuring consistency among the tool-components, correctly responding to any combinations of user events, meeting the desirable system requirements of extensibility and maintainability. / Science, Faculty of / Computer Science, Department of / Graduate
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Solution of time domain integral equations on distributed memory parallel processing systemsTinniswood, Adam D. January 1995 (has links)
No description available.
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Implementing tuple space on transputer meshesFaasen, Graig Richard January 1991 (has links)
Research Report submitted to the Faculty of Science, University of the Witwatersrand,
Johannesburg, towards a partial fulfilment of the requirements for the degree
of Master of Science
Johannesburg 1991 / This report describes and evaluates an implementation of the Linda tuple space abstraction
on Transputer networks. There is evidence that suggests a need for a new
programming methodology to support Transputer-based applications, and Linda, as
an attractive and elegant alternative to existing methodologies, has great potential
for this role. The research focuses on the implementation of a particular tuple space
model, intermediate uniform distribution, on Transputer meshes. The objective of
the research is to ascertain the extent of the communication overheads inherent in
the implementation and hence evaluate the feasibility of the approach. The overheads
are measured relative to message passing performance on native Transputer
networks, and are shown to be significant. It is concluded that although the specific
tuple space model is not ideally suited to Transputer-based systems and the implementation,
as it stands, is too inefficient to be of practical use, the approach requires
further exploration in order to exhaust its full research potential. / MT2017
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On the parallel solution of O.D.E.SBrindley, Garry January 1996 (has links)
No description available.
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Assessment of signal reprocessing for speech recognitionGaspar, Laszlo January 1996 (has links)
No description available.
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The application of optimal transputer architecture to concurrent processing in the implementation of vision processing algorithmsBennett, Ian Bramley January 1989 (has links)
Repetitive low level image processing transformations can be performed at high speeds by SIMD arrays, DSP and dedicated VLSI devices. These strategies cannot be adppted with more complex and time consuming data dependent algorithms. A flexible and programmable component must be used, and the use of many such devices in parallel, using dynamic load balancing techniques, is necessary to enable acceptable execution performance to be obtained. The transputer is a powerful new microprocessor with unique on chip communications facilities. Together with the new parallel programming language, occam, the transputer was specifically designed for parallel processing applications. Large transputer networks can be used for computationally intensive applications. This work has investigated the use of transputers for performing image processing algorithms of all three levels of complexity. Techniques were devised and implemented for the execution of low, medium and high levels of image processing algorithms on a multi-transputer network. A software architecture using SUPPLY and DEMAND processes was designed, and dynamic work load balancing was achieved, operating on a ternary tree network of up to 32 transputers. Some 80 image processing algorithms were successfully implemented within the software architecture. In particular, the more complex operation of Feature Extraction was achieved using the multi-transputer system. The Features extracted, involving Convex Hull, Convex Hull Deficiencies, Areas and Perimeters, and Shape Factors were used to build a Feature Vector. The use of this Feature Vector in Scene Interpretation, to realise Learn and Recognise functions has been investigated. The results of the work clearly show that while the system proposed is not as effective at executing repetitive, data intensive transformations as methods mentioned earlier, it can execute more complex Feature Extraction and Scene Interpretation algorithms efficiently. An Efficiency of 85% was achieved for Convex Hull formation, using 32 transputers.
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Network control for a multi-user transputer-based system.Gerber, Aurona J January 1991 (has links)
A dissertation submitted to the Faculty of Engineering, University of the
Witwatersrand, Johannesburg, in fulfilment of the requirements for the degree of
Master of Science in Engineering / The MC2/64 system is a configureable multi-user transputer- based system which was
designed using a modular approach. The MC2/64 consists of MC2 Clusters which are
connected using a modified Clos network. The MC2 Clusters were designed and
realised as completely configurable modules using and extending an algorithm based on
Eulerian cycles through a requested graph. This dissertation discusses the configuration
algorithm and the extensions made to the algorithm for the MC2 Clusters.
The total MC2/64 system is not completely configurable as a MC2 Cluster releases only
a limited number of links for inter-cluster connections. This dissertation analyses the
configurability of MC2/64, but also presents algorithms which enhance the usability of
the system from the user's point of view.
The design and the implementation of the network control software are also submitted
as topics in this dissertation. The network control software must allow multiple users to
use the system, but without them influencing each other's transputer domains.
This dissertation therefore seeks to give an overview of network control problems and
the solutions implemented in current MC2/64 systems. The results of the research
done for this dissertation will hopefully aid in the design of future MC2 systems which
will provide South Africa with much needed, low cost, high performance computing
power. / Andrew Chakane 2018
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Parallel load-balancing on message passing architecturesMuniz, Francisco Junqueira January 1994 (has links)
No description available.
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