On Feb 2, 2013, at 3:52 AM, Andreas Bok Andersen wrote:
> I am using Open-MPI in a parallelization of matrix multiplication for large
> matrices.
> My question is:
> - Is MPI_File_read using mmapping under the hood when reading a binary file.
Sorry for the delay in replying; my INBOX is a d
I am using Open-MPI in a parallelization of matrix multiplication for large
matrices.
My question is:
- Is MPI_File_read using mmapping under the hood when reading a binary
file.
- Or is the better/most efficient solution to read the input files using
the native mmap in C++
Best Andreas
