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us...@open-mpi.org> Date: 10/19/2010 09:47 PM Subject: [OMPI users] busy
wait in MPI_Recv Sent by: users-boun...@open-mpi.org
--
Hi all -
I just ran a small test to find out the overhead of an MPI_Recv call
when no communication...
___
users@lists.open-mpi.org
Date:
10/19/2010 09:47 PM
Subject:
[OMPI users] busy wait in MPI_Recv
Sent by:
users-boun...@open-mpi.org
Hi all -
I just ran a small test to find out the overhead of an MPI_Recv call
when no communication is occurring. It seems quite high. I noticed
during my google
Brian Budge wrote:
Hi all -
I just ran a small test to find out the overhead of an MPI_Recv call
when no communication is occurring. It seems quite high. I noticed
during my google excursions that openmpi does busy waiting. I also
noticed that the option to -mca mpi_yield_when_idle seems no
Hi all -
I just ran a small test to find out the overhead of an MPI_Recv call
when no communication is occurring. It seems quite high. I noticed
during my google excursions that openmpi does busy waiting. I also
noticed that the option to -mca mpi_yield_when_idle seems not to help
much (in fac