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<p><font size="2" face="sans-serif">Well, I was thinking we did not need to restrict MPI_HELPER_* to only MPI_THREAD_MULTIPLE, as I think these routines are easily made thread safe independently of the rest of MPI. I would like to see these be more-widely usable.</font><br>
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<font size="2" face="sans-serif">_______________________________________________<br>
Douglas Miller BlueGene Messaging Development<br>
IBM Corp., Rochester, MN USA Bldg 030-2 A410<br>
dougmill@us.ibm.com Douglas Miller/Rochester/IBM</font><br>
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<img width="16" height="16" src="cid:1__=09BBFD61DFDF6DF78f9e8a93df938@us.ibm.com" border="0" alt="Inactive hide details for Pavan Balaji ---12/06/2010 05:49:26 PM---Hi Doug,"><font size="2" color="#424282" face="sans-serif">Pavan Balaji ---12/06/2010 05:49:26 PM---Hi Doug,</font><br>
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<ul style="padding-left: 72pt"><font size="1" face="sans-serif"><b>Pavan Balaji <balaji@mcs.anl.gov></b></font><font size="1" face="sans-serif"> </font>
<p><font size="1" face="sans-serif">12/06/2010 05:49 PM</font></ul>
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<ul style="padding-left: 7pt"><font size="1" face="sans-serif">mpi3-hybridpm@lists.mpi-forum.org</font></ul>
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<ul style="padding-left: 7pt"><font size="1" face="sans-serif">Douglas Miller/Rochester/IBM@IBMUS</font></ul>
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<ul style="padding-left: 7pt"><font size="1" face="sans-serif">Re: [Mpi3-hybridpm] Hybrid WG meeting at the Forum</font></ul>
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<tt><font size="2">Hi Doug,<br>
<br>
[...snip...]<br>
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> A) I don't see mention of the exception to MPI threading rules for the<br>
> MPI_HELPER_* calls. Was that intentionally removed? Did I forget a<br>
> discussion of that? I was thinking we need to state to implementers that<br>
> MPI_HELPER_* must be thread safe (in all modes except MPI_THREAD_SINGLE)<br>
> and to users that these calls may be used by any/all threads in any mode<br>
> (except MPI_THREAD_SINGLE). Do we need to discuss this more?<br>
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We decided to drop at the Forum (3-4 Forums back, or whenever we had the <br>
plenary session). I had accidentally added it in the first draft, but <br>
removed it since.<br>
<br>
Do you mean to say that you do want the modified threading rules back?<br>
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[...snip...]</font></tt><br>
<tt><font size="2"><br>
-- Pavan<br>
<br>
-- <br>
Pavan Balaji<br>
</font></tt><tt><font size="2"><a href="http://www.mcs.anl.gov/~balaji">http://www.mcs.anl.gov/~balaji</a></font></tt><tt><font size="2"><br>
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