Hello I am available for off-line discussion for the hwloc side of things. But things look complicated here from your summary below. I guess there's no need for binding on such a system. And topology is quite simple, so it might be easier to hardwire everything.
Brice Le 20/03/2018 à 08:36, Tim Kelly a écrit : > 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, and not a reflection > on OpenMPI. > > 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 x86 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 _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users
