Perhaps you could tell us a bit more about 1) what you mean by "progress engine to be enabled". Any device implementation in MPICH has a progress engine enabled all the time. There is no such thing as enable/disable the progress engine. Removing the progress engine would simply cause processes to hang 2) what TPE stands for Halim www.mcs.anl.gov/~aamer On 10/20/17 12:12 PM, Pau Farré wrote:

Hi

Here at BSC (Antonio Peña's group) we were doing some modifications to mpich that require the progress engine to be enabled, but we found that the TPE polling was introducing some overhead.

We were wondering if mpich supports a 'blocking' mode for the TPE. And if so, It is compatible with Intel Omni-Path?

Thanks. Pau Farré

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