Summit is the next leap in leadership-class computing systems for open science. With Summit we will be able to address, with greater complexity and higher fidelity, questions concerning who we are, our place on earth, and in our universe.

System Documentation

Below you will find links to system documentation. Some of the content is being added to regularly. If you have questions regarding topics you’d like to see covered or feel are missing, see the Contact Support section for information on how to get in touch.

Summit Presentations and Tools

Presentations from Summit Application Readiness Workshop (March 5-9, 2018)

jsrun Presentation (David Solt – IBM): slides, recording
Advanced OpenACC Performance (Mat Colgrove – NVIDIA): slides, recording
XL Compiler (Tarique Islam & Wael Yehia – IBM): slides, recording
NVIDIA Developer Tools/Profiler (Jeff Larkin – NVIDIA): slides, recording
Unified Memory on P9+V100 (Jeff Larkin – NVIDIA): slides, recording
Fortran OpenMP4.5 (Lixiang “Eric” Luo – IBM): slides, recording
Data Movement Tips & Tricks (David Appelhans – IBM): slides

LSF/jsrun Tools

Hello World type program to help understand resource layout on Summit nodes:
Screencast Showing Hello_jsrun Usage


A web-based tool to learn the basics of jsrun. It’s useful for understanding how multiple flags interact, determining resource set sizing, and sharing ideas with others. See the September 2018 User Conference Call demo for more info.