<p>Iam not sure what you mean. If you set the displacement the same way you wrote it , you must be able to read the "count" values. Mpi_file_read uses individual file pointers, so if you're displacements are correct for each proc, each one must be able to read a little chunk. (the chunk that was written from it)</p>
<p>If you can, post the section of the code where you try to read the values and also the section where you write in parallel into the data file.</p>
<p>Sreenivas</p>
<p> </p>
<p>On Thu, 9 Jun 2011 04:27:04 +0500, Irfan Gul <hungu.orakzai@gmail.com> wrote:</p>
<blockquote style="padding-left: 5px; border-left: 2px solid #1010ff; margin-left: 5px; width: 100%;">Dear,<br />I have done this approach but one of my project panel member told me to follow MPI I/O method. I can only read a single value from the file generated by MPI_File_write() function by each process.<br />but I do not know how to read multiple values and store in array from the .txt file.<br /> thanks <br /></blockquote>
<p> </p>