Go backward to Partition Design Checklist Go up to Top Go forward to Communication Structure

The Communication Stage

Specify flow of information between tasks

• Communication structure ("channels")

  Connections between tasks that require data ("consumers") with those that possess those data ("producers").

• Communication contents ("messages")

Optimizations

• Avoid unnecessary channels and communication operations
• Distribute communication operations over many tasks
• Organize communication such that concurrent execution is possible.

Conceptual structure of a parallel program.