Here is paper from openib http://www.openib.org/archives/nov2007sc/XRC.pdf
and here is mvapich presentation
Button line: XRC decrease number of QPs that ompi opens and as result
decrease ompi's memory footprint.
In the openib paper you may see more details about XRC. If you need more
details about XRC implemention
in openib blt , please let me know.
Don Kerr wrote:
> After searching, about the only thing I can find on xrc is what it
> stands for, can someone explain the benefits of open mpi's use of xrc,
> maybe point me to a paper, or both?
> devel mailing list
Pavel Shamis (Pasha)