Charm++ parallel programming system

[Tom Quinn <trq AT astro.washington.edu>]

Phil probably doesn't know about it.  I just ran it by the cosmo list to 
see if was anything obvious.  I'll put a report in redmine.

Tom Quinn       Astronomy, University of Washington
Internet:       
trq AT astro.washington.edu
Phone:          206-685-9009

On Wed, 13 Aug 2014, Kale, Laxmikant V wrote:

> What about recent changa on xc30 bug reports? 
>
>
> Sent from my Verizon Wireless 4G LTE smartphon
>
>
> -------- Original message --------
> From: Phil Miller
> Date:08/12/2014 11:13 PM (GMT-06:00)
> To: Charm Mailing List
> Subject: [charm] Fourth Release Candidate for Charm++ 6.6.0
>
> I've just tagged and pushed a fourth release candidate of Charm++ 6.6 in our
> repository, v6.6.0-rc4. All outstanding release-critical issues have been
> closed, so we anticipate that this is the final candidate before the
> release. Please test and benchmark the code with your applications, and let
> us know urgently if any issues become apparent.
>
> git clone -b v6.6.0-rc4 http://charm.cs.illinois.edu/gerrit/charm charm-6.6
>
> Since the previous release candidate, v6.6.0-rc3, we have made a number of
> bug fixes and other improvements in the codebase. The most salient
> differences are as follows:
>
> - SMP builds on LRTS-based machine layers (pamilrts, gni, mpi, netlrts,
> verbs) support tracing messages through communication threads
> - Fix a performance bug in SMP builds where PEs would prefer work from the
> node-level queue over their own private queue
> - Thread affinity mapping with +pemap now supports Intel's Hyperthreading
> more conveniently
> - After restarting from a checkpoint, thread affinity will use new
> +pemap/+commap arguments
> - CkIO parallel output library is now more robust and works with
> checkpoint/restart
> - CkLoop can now be used with Charm++'s intrinsic checkpoint/restart
> functionality
> - SMP builds: Fix enough data races, especially during startup, so that
> ThreadSanitizer output is useful for application-level debugging
> - net and verbs: prevent a rare deadlock resulting from inadvertent
> recursive lock acquisition
> - Cray XC30: Fix SMSG corruption that caused mysterious crashes and hangs
> (#401, #486, #533)
> - Blue Gene Q: Set options to avoid miscompilation under certain XL compiler
> versions (#481)
>
> A detailed enumeration of major changes in this release relative to 6.5 can
> be found in our issue tracker:
> https://charm.cs.illinois.edu/redmine/projects/charm/issues?f[]=fixed_versi
> on_id&group_by=tracker&op[fixed_version_id]=%3D&set_filter=1&sort=id&utf8=%
> E2%9C%93&v[fixed_version_id][]=4
> and a more detailed list can be seen in the commit logs of the repository,
> mentioned above.