Re: [OMPI devel] Shared Memory RDMA and eager messages

2008-05-15 Thread Torje Henriksen
Thanks, I will definitely do that. On May 15, 2008, at 1:33 PM, Jeff Squyres wrote: On May 15, 2008, at 7:28 AM, Torje Henriksen wrote: Always fast answers from this mailing list. We try. I wish we could be uniformly fast in answering all questions... :-\ Very nice indeed. I'll look at

Re: [OMPI devel] Shared Memory RDMA and eager messages

2008-05-15 Thread Jeff Squyres
On May 15, 2008, at 7:28 AM, Torje Henriksen wrote: Always fast answers from this mailing list. We try. I wish we could be uniformly fast in answering all questions... :-\ Very nice indeed. I'll look at the PML OB1 module next then. Be sure to check out a descriptions of some of the OB

Re: [OMPI devel] Shared Memory RDMA and eager messages

2008-05-15 Thread Torje Henriksen
Thanks Jeff. Always fast answers from this mailing list. Very nice indeed. I'll look at the PML OB1 module next then. Best regards, Torje On May 15, 2008, at 1:15 PM, Jeff Squyres wrote: On May 15, 2008, at 5:55 AM, Torje Henriksen wrote: 1. In the BTL SM component (both in "ompi_info

Re: [OMPI devel] Shared Memory RDMA and eager messages

2008-05-15 Thread Jeff Squyres
On May 15, 2008, at 5:55 AM, Torje Henriksen wrote: 1. In the BTL SM component (both in "ompi_info --param btl sm" and the source), there is mention of RDMA. Is RDMA used in ths component? Is any special hardware needed for using it? No and no. The SM BTL uses a copyout/copyin mechanism (copy

[OMPI devel] Shared Memory RDMA and eager messages

2008-05-15 Thread Torje Henriksen
Hi everyone, I have some quick questions. 1. In the BTL SM component (both in "ompi_info --param btl sm" and the source), there is mention of RDMA. Is RDMA used in ths component? Is any special hardware needed for using it? 2. As for eager vs non-eager messages. Is the only difference bet