Re: [OMPI users] wrong library version for dependent open-rte lib when libtool relinks

Out of curiosity, do you have your version of OMPI at the _beginning_ of your LD_LIBRARY_PATH? > On Feb 26, 2016, at 8:24 AM, Emmanuel Thomé wrote: > > On Fri, Feb 26, 2016 at 5:21 PM, Emmanuel Thomé > wrote: >> happens to have an openmpi-1.6.5 installation in /usr, as well as . > > Sorry for

Re: [OMPI users] Question on OpenMPI backwards compatibility

I forgot to include a link to the official announcement of the change, and that info might be helpful in navigating the different versions and backwards compatibility: https://www.open-mpi.org/community/lists/announce/2015/06/0069.php Thanks, David On 02/26/2016 10:43 AM, David Shrader wrote:

Re: [OMPI users] Question on OpenMPI backwards compatibility

Hey Edwin, The versioning scheme changed with 2.x. Prior to 2.x the "Minor" version had a different definition and did not mention backwards compatibility at all (at least in my 1.6.x tarballs). As it turned out for 1.8.x and 1.6.x, 1.8.x was not backwards compatible with 1.6.x, so the behavio

Re: [OMPI users] wrong library version for dependent open-rte lib when libtool relinks

On Fri, Feb 26, 2016 at 5:21 PM, Emmanuel Thomé wrote: > happens to have an openmpi-1.6.5 installation in /usr, as well as . Sorry for copy-paste failure. 1.6.5 is only in /usr, of course. E.

[OMPI users] wrong library version for dependent open-rte lib when libtool relinks

I have a problem with the build and install process of openmpi-1.10.2. I have here a machine running Debian GNU/Linux 8.2 ; this machine also happens to have an openmpi-1.6.5 installation in /usr, as well as . This should not matter, but here it does. The machine also has an Infiniband software s

[OMPI users] Question on OpenMPI backwards compatibility

I am confused about backwards-compatibility. FAQ #111 says: Open MPI reserves the right to break ABI compatibility at new feature release series. . MPI applications compiled/linked against Open MPI 1.6.x will not be ABI compatible with Open MPI 1.7.x But the versioning documentation says:

Re: [OMPI users] openmpi-1.10.2rc3 is slower than 1.4.1

Thanks Gilles. Got it. I will run it. 2016-02-26 16:10 GMT+08:00 Eva : > Thanks Gilles. what do you mean " standard MPI benchmark" ? where can I > find it? > > 2016-02-26 14:47 GMT+08:00 Eva : > >> I measure communication time for MPI_Send and end2end training time >> (including model training an

Re: [OMPI users] openmpi-1.10.2rc3 is slower than 1.4.1

Thanks Gilles. what do you mean " standard MPI benchmark" ? where can I find it? 2016-02-26 14:47 GMT+08:00 Eva : > I measure communication time for MPI_Send and end2end training time > (including model training and communication time). > MPI1.4.1 is faster than MPI1.10.2: > MPI_Send+MPI_Recv: 2.

[OMPI users] Openmpi on Xilkernel

Can Openmpi library be run on xilkernel(OS from Xilinx)? If yes, how to install Openmpi on xilkernel?

Re: [OMPI users] openmpi-1.10.2rc3 is slower than 1.4.1

i recommend you run standard MPI benchmark with both openmpi versions, so we get a better picture of what is happening on your cluster. fwiw, such benchmark could be IMB https://software.intel.com/en-us/articles/intel-mpi-benchmarks and/or OSU http://mvapich.cse.ohio-state.edu/benchmarks/ Ch

Re: [OMPI users] openmpi-1.10.2rc3 is slower than 1.4.1

I measure communication time for MPI_Send and end2end training time (including model training and communication time). MPI1.4.1 is faster than MPI1.10.2: MPI_Send+MPI_Recv: 2.83% end2end training time: 8.89% 2016-02-26 14:45 GMT+08:00 Eva : > I measure communication time for MPI_Send and end2end

Re: [OMPI users] openmpi-1.10.2rc3 is slower than 1.4.1

I measure communication time for MPI_Send and end2end training time（including model training and communication time）. MPI_Send+MPI_Recv end2end training MPI1.4.1 is faster than MPI1.10.2 2.83% 8.89% 2016-02-24 13:49 GMT+08:00 Eva : > I compile the same program by using 1.4.1 and 1.10.2rc