On May 9, 2014, at 7:56 PM, Spenser Gilliland <spen...@gillilanding.com> wrote:
> I'm having some trouble understanding Intercommunicators with > Collective Communication. Is there a collective routine to express a > transfer from all left process to all right processes? or vice versa? The intercomm collectives are all basically defined as data movement from one group to the other (*and* vice versa), with the obvious exception of Barrier, which has no data movement -- just synchronization. The key to understand is (aside from barrier): - collectives with intracomms are data movement in the *same* group - collectives with intercomms are data movement to the *other* group -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
