System and method for controlling a highly parallel multiprocessor using an anarchy based scheduler for parallel execution thread scheduling
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United States of America Patent
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Jan 12, 1993
Issued Date -
N/A
app pub date -
Jun 11, 1990
filing date -
Dec 29, 1989
priority date (Note) -
Expired
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Abstract
An integrated software architecture for a highly parallel multiprocessor system having multiple tightly-coupled processors that share a common memory efficiently controls the interface with and execution of programs on such a multiprocessor system. The software architecture combines a symmetrically integrated multithreaded operating system and an integrated parallel user environment. The operating system distributively implements an anarchy-based scheduling model for the scheduling of processes and resources by allowing each processor to access a single image of the operating system stored in the common memory that operates on a common set of operating system shared resources. The user environment provides a common visual representation for a plurality of program development tools that provide compilation, execution and debugging capabilities for multithreaded user programs and assumes parallelism as the standard mode of operation.
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