To follow up for the web thread: I talked with Tim about this off-list. Not only will Open MPI likely not work in Tim's environment, MPI itself is probably too much for what he's trying to do.
> On Mar 21, 2018, at 10:49 PM, Ralph H Castain <r...@open-mpi.org> wrote: > > 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 > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users -- Jeff Squyres jsquy...@cisco.com _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users
