Re: [OMPI devel] Existing frameworks for remote device memory exclusive read/write

2012-07-23 Thread George Bosilca
Dima, A while back we investigated the potential of a memcpy module in the OPAL layer. We had some proof of concept, but finally didn't went forward due to lack of resources. However, we the skeleton of the code is still in the trunk (in opal/mca/memcpy). While I don't think it will cover all t

[OMPI devel] Existing frameworks for remote device memory exclusive read/write

2012-07-20 Thread Dmitry N. Mikushin
Dear OpenMPI developers, My question is not directly related to OpenMPI, but might be related to internal project kitchen and your wide experiences. Say, there is a need to implement a transparent read/write of PCI-Express device internal memory from the host system. It is allowed to use only sof