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Opened 15 years ago

Last modified 10 years ago

#213 new defect

Optimized collective updates

Reported by: hauma Owned by: boh
Priority: normal Milestone: 2.0
Component: uka.karo Version: 1.08a
Severity: critical Keywords:
Cc:

Description

A collective update on a replicated object that does not employ PartialReplication corresponds to an all-to-all operation in MPI, because each replica must communicate its changes to each other replica. But if a replicated object is partially replicated, changes to one replica are only relevant for a small subset of all replicas. This fact should be used to optimize collective updates for partially replicated objects.

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comment:1 Changed 15 years ago by hauma

  • Owner changed from hauma to boh

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