I don’t see how Open MPI can operate without pthreads > On Mar 19, 2018, at 3:23 PM, Gregory (tim) Kelly <gk...@sfu.ca> wrote: > > Hello Everyone, > I'm inquiring to find someone that can answer some multi-part questions about > hwloc, OpenMPI and an alternative OS and toolchain. I have a project as part > of my PhD work, and it's not a simple, one-part question. For brevity, I am > omitting details about the OS and toolchain, other than that neither are > supported. If forced to choose between OpenMPI and the OS/toolchain, I am > likely to choose the OS/toolchain and pursue other avenues for > parallelization. That's part of what I am trying to determine with my > inquiry. > > To summarize some of the question areas: > > 1) The OS I am working with does not support MP > 2) nor does it support pthreads > 3) the hardware is quad-core SoC with an integrated memory controller > 4) I'd like to see if it possible to utilize hwloc and shmem to build an > asymmetric multi-processing system where only one core has I/O but the other > three can run the executable > > This is a fairly dedicated system to be used for analyzing ODEs (disease > models). The hardware is cheap ($200) and uses very little power (can run > off a 12v battery), and the toolchain and OS are all BSD-licensed (and > everything will be published under that license). > > If someone is available for off-line discussion (to minimize unnecessary > traffic to the list), I'd be more than willing to summarize the conversation > and contribute it to the online documentation. > > Thank you, > tim > -- > > "Nuclear power is a hell of a way to boil water." -- Albert Einstein > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users
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