October 2014 – ROMIO

New Parallel I/O textbook: High Performance Parallel I/O

October 23, 2014 by Latham, Robert J.

Prabhat and Quincey Koziol have edited a new parallel I/O textbook. In addition to ROMIO and MPI-IO concepts, the book spans the software stack, covering storage devices, I/O libraries, file systems, applications, facilities. This book marks a major update over the field’s previous survey textbook (2001’s “Parallel I/O for High Perfomance Computing”, by John May, …

ROMIO changes in MPICH-3.1.3

October 8, 2014 by Latham, Robert J.

The MPICH team released 3.1.3 on October 8th. Here are the main new ROMIO-related things in this release (not everything: just the highlights): – Fix for an unfortunate bug in which I could end up storing too big a value into an Info parameter, causing a crash at larger core counts. – The MPI-3 type …