On Dec 1, 2012, at 1:37 PM, Reuti wrote: > Am 30.11.2012 um 07:16 schrieb shiny knight: > >> Thanks for all your replies. >> >> As now I have access to 3 iOS devices and 1 Android, so if possible I would >> be oriented to pursue more the iOS route. >> >> So it seems that there is not yet a simple way to do so on these devices >> (Thanks for the paper posted Dominik); I will have to look deeper in that >> project that you mentioned and wait for some official release (at least for >> the Android side) >> >> I may install linux distro on a virtual machine; mostly I work on OSX so it >> should not be that bad (OSX allows me to work with both Android and iOS >> hassle free; that's why I had the thought to use my devices for MPI). >> >> Beatty: My idea is to use the devices only when plugged in; I was reading a >> paper about how to use MPI and dynamically change the number of nodes >> attached, while crunching data for a process. So it would be possible to add >> and remove nodes on the fly, and was trying to apply it to a portable device >> (http://www.cs.rpi.edu/~szymansk/papers/ppam05.pdf) before realizing that >> there is no MPI implementation for them. > > NB: AFAICS this paper refers to the IOS from Cisco, not iOS from Apple.
I am aware of that :) I was more interested in the whole concept behind it; it is a good starting point (then it is a matter to see how feasible it is to put it in practice on iOS and Android) > > -- Reuti > > >> I would never envision a system where a user has a device in his pocket that >> is actually doing "something" behind is back...mine was a simple issue with >> having devices sitting on my desk, which I use to test my apps, and I could >> use these devices in a more productive way, while I have them tethered to my >> main machine (which is the main server where MPI development is done). >> >> Would you mind elaborate on the approach that you mentioned? I never used >> Xgrid, so I am not sure about how your solution would work. >> >> Thanks! >> >> Lou >> >> >> On Nov 29, 2012, at 4:14 PM, Beatty, Daniel D CIV NAVAIR, 474300D wrote: >> >>> Greetings Ladies and gentlemen, >>> There is one alternative approach and this a psuedo-cloud based MPI. The >>> idea is that MPI node list is adjusted via the cloud similar to the way >>> Xgrid's Bonjour used to do it for Xgrid. >>> >>> In this case, it is applying an MPI notion to the OpenCL codelets. There >>> are obvious issues with security, battery life, etc. There is considerable >>> room for discussion as far expectations. Do jobs run free if the device is >>> plugged in? If the device in the pocket, can the user switch to power >>> conservation/ cooler pockets? What constitutes fairness? Do owners have a >>> right to be biased in judgement? These are tough questions that I think I >>> will have to provide fair assurances for. After all, everyone likes to >>> think they are control of what they put in their pocket. >>> >>> V/R, >>> Dan >>> >>> >>> On 11/28/12 3:06 PM, "Dominik Goeddeke" >>> <dominik.goedd...@math.tu-dortmund.de> wrote: >>> >>>> shameless plug: >>>> http://www.mathematik.tu-dortmund.de/~goeddeke/pubs/pdf/Goeddeke_2012_EEV.pdf >>>> >>>> In the MontBlanc project (www.montblanc-project.eu), a lot of folks from >>>> all around Europe look into exactly this. Together with a few >>>> colleagues, we have been honoured to get access to an early prototype >>>> system. The runs for the paper above (accepted in JCP as of last week) >>>> have been carried out with MPICH2 back in June, but OpenMPI also worked >>>> flawlessly except for some issues with SLURM integration at the time we >>>> did those tests. >>>> >>>> The bottom line is: The prototype machine (128 Tegra2's) ran standard >>>> ubuntu, and since Android is essentially Linux, it should not be tooooo >>>> hard to get the system you envision up and running, Shiny Knight. >>>> >>>> Cheers, >>>> >>>> Dominik >>>> >>>> >>>> On 11/29/2012 12:00 AM, Vincent Diepeveen wrote: >>>>> You might want to post in beowulf mailing list see cc >>>>> and you want to install linux of course. >>>>> >>>>> OpenFabrics releases openmpi, yet it only works at a limited number of >>>>> distributions - most important is having >>>>> the correct kernel (usually old kernel). >>>>> >>>>> I'm gonna try get it to work at debian soon. >>>>> >>>>> >>>>> >>>>> On Nov 28, 2012, at 11:50 PM, shiny knight wrote: >>>>> >>>>>> I was looking for some info about MPI port on iOS or Android devices. >>>>>> >>>>>> I have some old devices that may result useful, if I could be able to >>>>>> include them in my computation scheme. >>>>>> >>>>>> OpenCL runs on iOS and Android, so I was wondering if there is any >>>>>> way to have an old iPhone/phone or iPad/tablet to run MPI. >>>>>> >>>>>> Tried to look everywhere, but I didn't find anything that says that >>>>>> it is possible, nor I've found any practical example. >>>>>> >>>>>> Thanks! >>>>>> _______________________________________________ >>>>>> users mailing list >>>>>> us...@open-mpi.org >>>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>>>> >>>>> _______________________________________________ >>>>> users mailing list >>>>> us...@open-mpi.org >>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>>> >>> _______________________________________________ >>> users mailing list >>> us...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/users >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
