Just use --mca coll tuned in the command line to force use of tuned collectives.

Best,
Vish

Vishwanath Venkatesan
Graduate Research Assistant
Parallel Software Technologies Lab
Department of Computer Science
University of Houston
TX, USA
www.cs.uh.edu/~venkates


On Feb 12, 2013, at 10:49 PM, Kranthi Kumar wrote:

Hello Sir,

In the implementation of MPI there are so many collective call implementations. I just want to when is the tuned collective calls called.
What is it that I need to so that always tuned collective calls are called?

Thank You

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