[OMPI users] Cygwin compilation problems for openmpi-1.8

2014-04-12 Thread Cristian Butincu
Hello. The latest precompiled version to date of openmpi for cygwin is 1.7.4-1. Because I got some runtime errors when trying to run simple MPI programs, I have decided to upgrade to openmpi-1.8. When trying to compile openmpi-1.8 under cygwin I get the following error during "make all" and th

Re: [OMPI users] Optimal mapping/binding when threads are used?

2014-04-12 Thread Saliya Ekanayake
Just an update. Yes, binding to all is as same as binding to none. I was mistaken by my memory :) On Fri, Apr 11, 2014 at 1:22 AM, Saliya Ekanayake wrote: > Thank you Ralph for the details and it's a good point you mentioned on > mapping by node vs socket. We have another program that uses a ch