Paper Details

Communicating Process Architectures (CPA)
 Title: Fast Distributed Process Creation with the XMOS XS1 Architecture
 Conference: Communicating Process Architectures 2011
 Authors: James Hanlon, Simon J. Hollis
Department of Computer Science, University of Bristol
 Abstract: The provision of mechanisms for processor allocation in current distributed parallel programming models is very limited. This makes difficult, or even prohibits, the expression of a large class of programs which require a run-time assessment of their required resources. This includes programs whose structure is irregular, composite or unbounded. Efficient allocation of processors requires a process creation mechanism able to initiate and terminate remote computations quickly. This paper presents the design, demonstration and analysis of an explicit mechanism to do this, implemented on the XMOS XS1 architecture, as a foundation for a more dynamic scheme. It shows that process creation can be made efficient so that it incurs only a fractional overhead of the total runtime and that it can be combined naturally with recursion to enable rapid distribution of computations over a system. 

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