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. -- 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