Charm++ parallel programming system

[Michael Robson <mprobson AT illinois.edu>]

Hey Eduardo,

My experience has been with running Charm programs directly on the Phi so keep that in mind with my answers. As far as I know there currently is not a way to run across both devices. From my understanding this comes down to being unable to specify different number of processors between the host and card. This work fix is something we want to implement. As for AMPI I see no reason why it shouldn't work but I've not tested it at all. Perhaps you could post your errors to diagnose your problem. Also Eric and Ronak have had experience with this as well and may be able to give some more answers.

Michael

On Apr 1, 2013 4:47 PM, "Eduardo" <erocha.ssa AT gmail.com> wrote:

Hi Ben and Michael,

Could you please tell me what you have done? I tried to complied AMPI on my Xeon Phi but it didn't work.

Another question I have is if you were able to execute a Charm or AMPI program in both the host and the card. I mean, a single run with objects / threads in both the Xeon Phi and the host.

Thanks for the help,
Eduardo

On Mon, Apr 1, 2013 at 4:21 PM, Michael Robson <mprobson AT illinois.edu> wrote:

Hey Eduardo,

There is some work being done to enable Charm to run on the Phi. Currently we can run on the device by building Charm directly on the MPI layer. This allows us to utilize the card as a small cluster of 60 nodes. Please let me know if you need any more information.

Michael 

On Thu, Mar 28, 2013 at 2:02 PM, Eduardo <erocha.ssa AT gmail.com> wrote:

Hi,

Is there already a version of AMPI/Charm for Intel Xeon Phi ? I mean,
a version that would treat the board just as a regular x86 node.

Thanks in advance,
Eduardo

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