ok here is a progress report.
first I want to thank you both for getting me this far.
gilles I think you were right about setting the CFLAGS and LDFLAGS
=-march=armv6
it got to the first make command and after about an hour going good, It
crashed when it started make 3.
I was going to compress and post the config.log file , but I can not find
it.
I checked /var/log folder.can somebody please tell me where this is located?
Thanks
73 Neil Sablatzky K8IT
--------------------------------------------------
From: "Gilles Gouaillardet" <gil...@rist.or.jp>
Sent: Tuesday, May 29, 2018 8:26 PM
To: <users@lists.open-mpi.org>
Subject: Re: [OMPI users] need help finding mpi for Raspberry pi Raspian
Streach
Neil,
If that does not work, please compress and post your config.log
There used to be an issue with raspberry pi3 which is detected as an ARMv8
processor but the raspbian compilers only generate
ARMv6 compatible binaries.
If such an issue occurs, you might want to
configure CFLAGS=-march=armv6 LDFLAGS=-march=armv6
and try again
FWIW, I run openSuSE Leap for aarch64 (e.g. native ARMv8 processor) and
have no issue building/using Open MPI
Cheers,
Gilles
On 5/30/2018 9:03 AM, Jeff Squyres (jsquyres) wrote:
If your Linux distro does not have an Open MPI package readily available,
you can build Open MPI from source for an RPi fairly easily. Something
like this (not tested on an RPi / YMMV):
wget
https://download.open-mpi.org/release/open-mpi/v3.1/openmpi-3.1.0.tar.bz2
tar xf openmpi-3.1.0.tar.bz2
cd openmpi-3.1.0
./configure |& tee config.out
make -j |& tee make.out
sudo make install |& tee install.out
This will download, configure, build, and install Open MPI into the
/usr/local tree.
You can optionally specify a prefix to have it install elsewhere, e.g.:
./configure --prefix=/path/to/where/you/want/it/to/install |& tee
config.out
Then do the make/sudo make again.
On May 29, 2018, at 6:43 PM, Neil k8it <k...@cac.net> wrote:
I am starting to build a Raspberry pi cluster with MPI and I want to
use the latest Raspian Streach Lite version from the raspberrypi.org
website. After a lot of trials of watching youtubes on how to do this, I
have found that the new version of Raspian Streach LITE is not
compatible . I am looking for details instructions on how to install
MPIwith this latest version of Raspian Streach Lite. I am using the
newset hardware,RPI 3 B+ which requires this OS to use the features on
the -new chipset
Thanks
Neil
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