Re: [OMPI users] [EXTERNAL] Re: MPI One-Sided Communication, indexed datatype and segmentation fault.

2012-06-06 Thread Ziaul Haque Olive
ocating > communication buffers. Since you know the displacement arrays aren't > going to be used for communication, you're just tying up (potentially > scarce) network resources by using MPI_ALLOC_MEM there. > > Biran > > On 6/6/12 11:24 AM, "Ziaul Haque Olive

Re: [OMPI users] MPI One-Sided Communication, indexed datatype and segmentation fault.

2012-06-06 Thread Ziaul Haque Olive
indices are for derived datatype. in this case indexed datatype. On Wed, Jun 6, 2012 at 1:24 PM, Ziaul Haque Olive wrote: > Hello Brian, > > Actually, I am not modifying the local communication buffer that contains > the data. I am modifying the the buffer that contains the indices o

Re: [OMPI users] MPI One-Sided Communication, indexed datatype and segmentation fault.

2012-06-06 Thread Ziaul Haque Olive
gt; MPI_FENCE call following the call to MPI_ACCUMULATE. > > Brian > > On 6/6/12 9:44 AM, "Ziaul Haque Olive" wrote: > > >Hello, > > > >I am not sure, if my code is correct according to Open MPI(v1.6). the > > code is given as follows, I am doing MPI

[OMPI users] MPI One-Sided Communication, indexed datatype and segmentation fault.

2012-06-06 Thread Ziaul Haque Olive
Hello, I am not sure, if my code is correct according to Open MPI(v1.6). the code is given as follows, I am doing MPI one-sided communication inside a function - data_transfer. this function is being called inside a fence epoch. inside data_transfer, I am allocating memory for non-contiguous data,