[mvapich-discuss] Polling and Blocking

[Devendar Bureddy]

Hi Vaibhav

The default mode in MVAPICH2 is "polling".  The run time option
MV2_USE_BLOCKING=1 will enable the blocking mode.  You can check this
option in user guide :
http://mvapich.cse.ohio-state.edu/support/user_guide_mvapich2-1.7_alpha.html#x1-20100011.73

Please note that, it is recommended to use default mode. The blocking
mode will turn off some of the internal optimizations

-Devendar

On Tue, Jun 28, 2011 at 3:01 PM, vaibhav dutt
<vaibhavsupersaiyan9 at gmail.com> wrote:
> Hi,
> I read in MVAPICH2 user guide that MVAPICH2 supports 2 modes of
> communication
> progress namely polling and blocking. Can anybody tell me how to enable one
> of them during
> run time? Also, what is the default mode on which MVAPICH works?
> Thanks.
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