[mpich-discuss] Any application using mpi_barrier a lot?

[Rajeev Thakur]

Try using the SKaMPI benchmark. It does a good job of measuring the
performance of collectives.

Rajeev
 

> -----Original Message-----
> From: mpich-discuss-bounces at mcs.anl.gov 
> [mailto:mpich-discuss-bounces at mcs.anl.gov] On Behalf Of Shanyuan Gao
> Sent: Tuesday, March 10, 2009 3:01 PM
> To: mpich-discuss at mcs.anl.gov
> Subject: [mpich-discuss] Any application using mpi_barrier a lot?
> 
> My current research is trying to rewrite some collective MPI  
> operations to work with our system.  Barrier is my first step, maybe  
> I will have bcast and reduce in the future.  I have done some  
> synthetic tests.  Now I want a real application to measure the  
> performance improvement versus normal MPI_Barrier.  And the  
> improvement can only be measured if the barriers are executed many  
> times.  If you know any, please let me know.  Any comment are  
> welcomed, thanks!
> 
> 
> Shan
>