Re: [OMPI devel] Query on zero-copy sends

2006-06-05 Thread Galen M. Shipman
On Jun 2, 2006, at 5:55 PM, Jonathan Day wrote: Hi, I'm working on developing some components for OpenMPI, but am a little unclear as to how to implement efficient sends and receives. I'm wanting to do zero-copy two-sided MPI, but as far as I can see, this is not going to be easy. As best as I

[OMPI devel] Query on zero-copy sends

2006-06-02 Thread Jonathan Day
Hi, I'm working on developing some components for OpenMPI, but am a little unclear as to how to implement efficient sends and receives. I'm wanting to do zero-copy two-sided MPI, but as far as I can see, this is not going to be easy. As best as I can tell, the receive mechanism copies into a tempo