Subject: [OMPI devel] RFC: change default for tuned alltoallv to pairwise From: Nathan Hjelm (hjelmn_at_[hidden]) Date: 2012-03-21 12:14:25
What: Change coll tuned default to pairwise exchange
Why: The linear algorithm does not scale to any reasonable number of PEs
When: Timeout in 2 days (Fri)
Is there any reason the default should not be changed?
-Nathan HPC-3, LANL