Open MPI logo

Open MPI Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Development mailing list

From: Gleb Natapov (glebn_at_[hidden])
Date: 2006-10-31 09:45:20


On Tue, Oct 31, 2006 at 09:35:05AM -0500, Donald Kerr wrote:
> Can someone explain to me the intended use of the following flag and/or
> all that it implies when set : MCA_BTL_DES_FLAGS_PRIORITY
>
I can explain how this flag is treated in openib BTL. We have two QPs
high and low priority. High priority QP is always checked first for
events. If descriptor has MCA_BTL_DES_FLAGS_PRIORITY flag set it is send
via high priority QP.

--
			Gleb.