[Mpi3-rma] Updated Proposal 1
Underwood, Keith D
keith.d.underwood at intel.com
Wed Dec 8 00:25:40 CST 2010
> > 2) added a discussion about ordering (Section 11.8.2)
> The new discussion is better, but:
> (a) I think the ordering discussion requires some edits to some places
> earlier in the chapter too (see proposal 2).
> (b) Do we know any network (except ones that emulate one-sided
> communication over two-sided messaging) that provide strict ordering?
> far as I know, most networks only provide ordering between PUTs (or
> atomic PUTs). Ordering between GETs is also not provided, unless the
> user does a flush after each GET operation. Is this only for
This ordering mode is what happens for UPC relaxed mode, so, presumably, some networks have some rational way to support it. Not that I am claiming that supporting that is easy if the network uses end-to-end retransmits for reliability...
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