Re: [OMPI users] Unable to build Open MPI with external PMIx library support

2018-12-17 Thread Gilles Gouaillardet
Eduardo, By config.log, we mean the config.log automatically generated by your configure command (e.g. not the output of the configure command) this is a huge file, so please compress it Cheers, Gilles this file should start with This file contains any messages produced by compilers

Re: [OMPI users] Unable to build Open MPI with external PMIx library support

2018-12-17 Thread Howard Pritchard
HI Eduardo, The config.log looked nominal.Could you try the following additional options to the build with the internal PMIx builds: --enable-orterun-prefix-by-default --disable-dlopen ? Also, for the mpirun built using the internal PMIx, could you check the output of ldd? And just in

Re: [OMPI users] Limit to number of asynchronous sends/receives?

2018-12-17 Thread Barrett, Brian via users
Adam - There are a couple of theoretical limits on how many requests you can have outstanding (at some point, you will run the host out of memory). However, those issues should be a problem when posting the MPI_Isend or MPI_Irecv, not during MPI_Waitall. 2.1.0 is pretty old; the first step

Re: [OMPI users] Unable to build Open MPI with external PMIx library support

2018-12-17 Thread Eduardo Rothe via users
Hi Howard, Thank you for you reply. I have just re-executed the whole process and here is the config.log (in attachment to this message)! Just for restating, when I use internal PMIx I get the following error while running mpirun (using Open MPI 4.0.0):