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User Level Failure Mitigation

Preparing for June MPI Forum meeting

In preparation for the June MPI forum meeting, the specification has received some updates. The most prominent changes are:

  • The exposed memory in an RMA window may be completely undefined after a failure has occured.
  • MPI_Comm_agree now operates a binary AND on the flag argument.
  • Examples have been corrected to use error classes, instead of error codes, when relevant.

The latest version is available in the ULFM specification area