[mpiwg-ft] Fwd: MPI FT chapter comments (from Bill Gropp)

Wesley Bland wbland at anl.gov
Fri Mar 21 14:01:29 CDT 2014

I think we started this process during the last meeting. It's still not
gone, but it's something we're working on. We should try to schedule a time
where (at least) the three of us can get together and go over another draft
of the text.


On Fri, Mar 21, 2014 at 1:56 PM, Jim Dinan <james.dinan at gmail.com> wrote:

> On Tue, Mar 4, 2014 at 4:11 PM, Aurélien Bouteiller <bouteill at icl.utk.edu>wrote:
>> p 597, mid page.  What is "the lock"?  Note that WIN_LOCK/UNLOCK is not a
>> mutex - it has to do with the beginning and ending of a passive target
>> epoch.
>> This is a good comment; talking about a "lock" is informal and useful for
> discussion, but not good standard-eze.  What we mean here is that a process
> has reserved resources associated with an RMA access epoch, and it cannot
> release those resources because of a failure.  The particulars of when
> resources are reserved, what they are, and how they are released are only
> very loosely defined by the MPI spec, so we should try to describe this
> using fairly abstract language.
>  ~Jim.
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