Re: [OMPI users] nonblocking MPI_File_iwrite() does block?

2009-11-27 Thread Christoph Rackwitz
Rob Latham wrote: If the other processors need header data, perhaps rank 0 can broadcast it to everyone else? That's what happens, when *reading* that file back to continue number-crunching. When writing, rank 0 is also the only one to write a header, and then each rank writes their parts of

Re: [OMPI users] [mvapich-discuss] MPI-2 over ibverbs/rdma

2009-11-27 Thread Vivek Satpute
Hi, On Thu, Nov 26, 2009 at 10:35 PM, Chuck Ritter wrote: > On Thu, Nov 26, 2009 at 6:30 AM, Vivek Satpute > wrote: > > Hi Ritter, > > > >> > And why those examples in libibverbs-1.1.2 package takes IP address ? > >> > Do you have any idea about that ? > >> > >> Why not? > >> > >> I think hostn