SC13 Home > SC13 Schedule > SC13 Presentation - Parallel I/O in Practice

SCHEDULE: NOV 16-22, 2013

When viewing the Technical Program schedule, on the far righthand side is a column labeled "PLANNER." Use this planner to build your own schedule. Once you select an event and want to add it to your personal schedule, just click on the calendar icon of your choice (outlook calendar, ical calendar or google calendar) and that event will be stored there. As you select events in this manner, you will have your own schedule to guide you through the week.

Parallel I/O in Practice

SESSION: Parallel I/O in Practice

EVENT TYPE: Tutorials

TIME: 8:30AM - 5:00PM

Presenter(s):Robert Latham, Robert Ross, Brent Welch, Katie Antypas


I/O on HPC systems is a black art. This tutorial sheds light on the state-of-the-art in parallel I/O and provides the knowledge necessary for attendees to best leverage I/O resources available to them. We cover the entire I/O software stack from parallel file systems at the lowest layer, to intermediate layers (such as MPI-IO), and finally high-level I/O libraries (such as HDF-5). We emphasize ways to use these interfaces that result in high performance. Benchmarks on real systems are used throughout to show real-world results. This tutorial first discusses parallel file systems in detail (PFSs). We cover general concepts and examine four examples: GPFS, Lustre, PanFS, and PVFS. We examine the upper layers of the I/O stack, covering POSIX I/O, MPI-IO, Parallel netCDF, and HDF5. We discuss interface features, show code examples, and describe how application calls translate into PFS operations. Finally we discuss I/O best practice.

Chair/Presenter Details:

Robert Latham - Argonne National Laboratory

Robert Ross - Argonne National Laboratory

Brent Welch - Panasas

Katie Antypas - Lawrence Berkeley National Laboratory

Add to iCal  Click here to download .ics calendar file

Add to Outlook  Click here to download .vcs calendar file

Add to Google Calendarss  Click here to add event to your Google Calendar