Re: [OMPI devel] GPUDirect v1 issues

2012-01-18 Thread Kenneth Lloyd
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

Re: [OMPI devel] GPUDirect v1 issues

2012-01-18 Thread Sebastian Rinke
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