Re: [OMPI users] problem withexecstackandopenmpi-v1.10.1-140-g31ff573

Siegmar, that looks like a libtool issue : "-z noexecstack" is not correctly passed to cc a simple workaround is to append "-Wl,-z -Wl,noexecstack" to your LDFLAGS (and do not pass "-z noexecstack" to LDFLAGS nor CFLAGS) Cheers, Gilles On 1/19/2016 11:19 PM, Siegmar Gross wrote: Hi

Re: [OMPI users] Using OpenMPI Thread Multiple mode

You may wish to subscribe to https://github.com/open-mpi/ompi/issues/157. Jeff On Tue, Jan 19, 2016 at 4:13 PM, Udayanga Wickramasinghe < uswic...@umail.iu.edu> wrote: > Hi devs, > I am using THREAD_MULTIPLE in openmpi version 1.8.4. However I > occasionally see following warning and my

[MTT users] Where do I start?

I have download the installed the MPI Test Tool, but don't have a clue as to where to start. I want to make certain the version of OpenMPI that I have installed is working. I have three clusters and would like to run the tool on all three to get some benchmarks. To be honest, The instructions

[OMPI users] Using OpenMPI Thread Multiple mode

Hi devs, I am using THREAD_MULTIPLE in openmpi version 1.8.4. However I occasionally see following warning and my application gets hanged up intermittently. Does this mean thread multiple mode is not supported in 1.8.4 ? Or does openmpi has a version that fully supports this ?

Re: [OMPI users] Singleton process spawns additional thread

Sorry for the delay - I have tracked this down and fixed it. The fix will be included in 1.10.2. Thanks for bringing it to our attention! Ralph > On Jan 7, 2016, at 9:38 PM, Ralph Castain wrote: > > A singleton will indeed have an extra thread, but it should be quiescent.

Re: [OMPI users] How to allocate more memory to java OpenMPI

HI Ibrahim, Are you using a 32bit or 64bit JVM? I don't think this is an Open MPI issue, but likely something owing to your app or your java setup. You may want to checkout http://javaeesupportpatterns.blogspot.com/2012/09/outofmemoryerror-unable-to-create-new.html If you'd like to post the

[OMPI users] How to allocate more memory to java OpenMPI

Hallo, I'm working with java OpenMPI on a server with 64GB memory. But when I run the java class I can only run it on until 15 processes (with this command: mpirun -np 15 java Multiplikation). Although there is 64GB memory, only about 3 GB will be used(with top command can I see that, the

Re: [OMPI users] problem withexecstackandopenmpi-v1.10.1-140-g31ff573

Hi Gilles, we have installed "execstack", but it doesn't work as expected. loki lib64 110 execstack -c libmpi_java.so.1.2.0 execstack: libmpi_java.so.1.2.0: Unknown debugging section .debug_funcnames loki lib64 111 We've also tried to build it with "cc" instead of "gcc", but it failed, because