Managing the Overall Balance of Operating System Threads on a Multiprocessor Using Automatic Self-Allocating Threads (ASAT)

Severance, Charles; Enbody, Richard; Petersen, Paul

doi:10.1006/jpdc.1996.0111

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1996

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Cited by 17 publications

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“…A previous study of the benefits of Automatic SelfAllocating Threads (ASAT) for the Convex Exemplar was done in [6], details on multiple ASAT jobs appears in [7].…”

Section: Previous Workmentioning

confidence: 99%

Automatic self-allocating threads (ASAT) on an SGI Challenge

Severance

Enbody

Proceedings of the 1996 ICPP Workshop on Challenges for Parallel Processing

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Automatic Self Allocating Threads (ASAT) is pro-posed as a way to balance the number of active threads across a shared-memory multiprocessing system. Our approach is significant in that it is designed for a system running multiple jobs, and it considers the load of all running jobs in its thread allocation, In addition, the owrhead of ASAT is suficiently small so that the rim times of a11 jobs improve when it is in use. In this paper we consider the application of ASAT for improving the scheduling of threads on an SGI Challenge. We demonstrate how the number of threads of an ASAT job adjusts to the overall sgstem lood to maintain thread balance and improve system throughput.

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“…A previous study of the benefits of Automatic SelfAllocating Threads (ASAT) for the Convex Exemplar was done in [6], details on multiple ASAT jobs appears in [7].…”

Section: Previous Workmentioning

confidence: 99%