Re: [OMPI users] Does Open MPI support manual launcher?

> On Jun 5, 2016, at 4:30 PM, Du, Fan wrote: > > Thanks for your reply! > > On 2016/6/5 3:01, Ralph Castain wrote: >> The closest thing we have to what you describe is the “orte-dvm” - this >> allows one to launch a persistent collection of daemons. You can then >> run your

Re: [OMPI users] Does Open MPI support manual launcher?

Thanks for your reply! On 2016/6/5 3:01, Ralph Castain wrote: The closest thing we have to what you describe is the “orte-dvm” - this allows one to launch a persistent collection of daemons. You can then run your applications against it using “mpiexec -hnp ” where the url is that of the

Re: [OMPI users] max buffer size

Check out the BigMPI project for details on this topic. Some (many?) MPI implementations still have internal limitations that prevent one from sending more than 2 gigabytes using MPI datatypes. You can use the BigMPI tests to identify these. https://github.com/jeffhammond/BigMPI

Re: [OMPI users] max buffer size

Hi Gus, thanks a lot for the intro, that helps. Best regards, Alex On 05.06.16 18:30, Gustavo Correa wrote: On Jun 5, 2016, at 12:03 PM, Alexander Droste wrote: Hi everyone, I'd like to know what the maximum buffer size for sends/receives is. Besides the count being limited to INT_MAX,

Re: [OMPI users] max buffer size

On Jun 5, 2016, at 12:03 PM, Alexander Droste wrote: > Hi everyone, > > I'd like to know what the maximum buffer size > for sends/receives is. Besides the count being limited > to INT_MAX, how is the max buffer size limited? > > Best regards, > Alex > Hi Alexander As far as I know, the

[OMPI users] max buffer size

Hi everyone, I'd like to know what the maximum buffer size for sends/receives is. Besides the count being limited to INT_MAX, how is the max buffer size limited? Best regards, Alex