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Feature #1458

Feature #1234: Avoid sender-side copy for large contiguous messages. API for charm and converse layers

Zero-copy send support for the MPI machine layer

Added by Phil Miller 5 months ago. Updated 3 months ago.

Status:
Merged
Priority:
Normal
Assignee:
Category:
Machine Layers
Target version:
Start date:
03/06/2017
Due date:
% Done:

100%

Spent time:

Description

As Jim noted, it's straightforward for MPI to do in-place sends, and newer versions actually allow RMA, so we should support at least zero copy sends, and work up to true one-sided operation.

History

#1 Updated by Sam White 5 months ago

  • Assignee set to Nitin Bhat
  • Category set to Machine Layers

#2 Updated by Nitin Bhat 5 months ago

  • % Done changed from 0 to 100
  • Status changed from New to Implemented

#3 Updated by Sam White 3 months ago

  • Status changed from Implemented to Merged

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