[OMPI devel] MPI_Recv pre memory checks

2009-07-07 Thread Prasadcse Perera
Hi, I'm new to open mpi and I'm currently studying the code and writing my own simple parallel test programs. I wrote a simple program to send and receive a character buffer using MPI::COMM_WORLD.Send, MPI::COMM_WORLD.Recv function calls. After playing with some stupid parameters I could observe

[OMPI devel] Question on MPI_Info

2009-07-16 Thread Prasadcse Perera
Hi all, I have been trying some simple code to write a file using Parallel I/O on Open MPI. Here I specify the MPI_Info value as 0 and the execution terminates with this messge for any number of processes: *** An error occurred in MPI_File_open *** on communicator MPI_COMM_WORLD *** MPI_ERR_INFO:

[OMPI devel] Parallel Quicksort

2009-08-06 Thread Prasadcse Perera
Hello All, This may not be something relates to the forum, so sorry for asking this first of all :). Currently I have been working on an implementation of parallel Quicksort using MPI and now I need some standard parallel Quicksort implementation(s) for a performance evaluation. So can someone reco