Re: [OMPI users] Measuring latency

marks/). > > Lloyd Brown > Systems Administrator > Fulton Supercomputing Lab > Brigham Young University > http://marylou.byu.edu > > On 08/21/2012 03:32 PM, Maginot Junior wrote: >> Hello. >> How do you suggest me to measure the latency between master em

[OMPI users] Measuring latency

Hello. How do you suggest me to measure the latency between master em slaves in my cluster? Is there any tool that I can use to test the performance of my environment? Thanks -- Maginot Júnior

Re: [OMPI users] Simple Doubt about MPI_Gather in C

the buffer and you > should expilicitly specify how many elements should be sent. > Tu be sure, execute some sample programs and check the behavior. > > On Tue, Jul 17, 2012 at 10:24 PM, Maginot Junior > wrote: >> >> Hello, I'm starting with openmpi and still

[OMPI users] Simple Doubt about MPI_Gather in C

Hello, I'm starting with openmpi and still have some doubts and I think I'm making some confusion around here. When using MPI_Gather, if SENDBUF is an array of x elements SENDCOUNT should be 1 if I want to send this entire array or should I use x as SENDCOUNT parameter (telling to fetch x element