Windows-NT based Distributed Virtual Parallel Machine

Table of Contents

Windows-NT based Distributed Virtual Parallel Machine

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Programming Paradigms

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Using a non-dedicated cluster

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Convergence to Optimal Speedup

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Relaxed Consistency(Avoiding false sharing and ping pong)

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MJEC (con’t)

MJEC Interface

Experience with MJEC

Example - Barriers with MJEC

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Dynamic Page- and Job-Migration

Locality of memory reference is THE dominant efficiency factorMigration Can Help Locality:

Load Sharing + Max. Locality = Minimum-Weight multiway cut

Problems with themultiway cut model

Our Approach

Ping Pong

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Applications

Performance Evaluation

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