It is documented in
http://developer.download.nvidia.com/compute/cuda/4_0/docs/GPUDirect_Technol
ogy_Overview.pdf
set CUDA_NIC_INTEROP=1
From: devel-boun...@open-mpi.org [mailto:devel-boun...@open-mpi.org] On
Behalf Of Sebastian Rinke
Sent: Wednesday, January 18, 2012 8:15 AM
To: Open MPI De
Setting the environment variable fixed the problem for Open MPI with CUDA 4.0.
Thanks!
However, I'm wondering why this is not documented in the NVIDIA GPUDirect
package.
Sebastian.
On Jan 18, 2012, at 1:28 AM, Rolf vandeVaart wrote:
> Yes, the step outlined in your second bullet is no longer