On Sat, May 21, 2011 at 05:15:13PM +0530, sushil samant wrote: > hi all, > i am a new comer in openmpi programing.i have a txt file containing > seven column each column contains double type data. What i want to do > is to read the file in parallel and find the average value and > standard deviation of each column using c++ and openmpi. If someone > can provide a sample program with explanation it will be very useful. > And if understand it i would like to do it for .h5 file.
MPI-IO does not do formatted I/O. You should just start with the .h5 (HDF5 ? ) file, where decomposing the dataset over N processors will be more straightforward. ==rob -- Rob Latham Mathematics and Computer Science Division Argonne National Lab, IL USA