Chare kernel and its implementation on multicomputers
Shu, Wei Wennie
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https://hdl.handle.net/2142/19191
Description
Title
Chare kernel and its implementation on multicomputers
Author(s)
Shu, Wei Wennie
Issue Date
1990
Doctoral Committee Chair(s)
Loui, Michael C.
Department of Study
Electrical and Computer Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Computer Science
Language
eng
Abstract
The chare kernel is a runtime support system for executing parallel programs. It is responsible for the scheduling of parallel actions--chares, and the manipulating of data exchange between chares, so that programmers can concentrate on exploring parallelism. The chare kernel provides several dynamic scheduling schemes to support applications with dynamic features. One of the schemes, called Adaptive Contracting Within Neighborhood, is especially designed for the runtime self-adaptive feature with low overhead. The chare kernel language can be used in two ways: as a user programming language or as an intermediate language for implementing high-level languages. As an intermediate language, the chare kernel language serves as a compilation target to which high-level programming languages are translated. These high-level languages could be implicit parallel languages, such as logic or functional programming languages. Since the chare kernel hides the machine-dependent features, programs written in the chare kernel language can run on different MIMD parallel machines--whether shared-memory or message-passing--without any changes. The preliminary performance studies have been conducted on the Intel iPSC/2 and the NCUBE hypercubes and several shared-memory machines.
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