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Summit Training Workshop (February 2019)

Summit Training Workshop
Oak Ridge National Laboratory (on-site)
Building 5100, RM 128 (JICS Auditorium)
February 11-13, 2019
8:00 AM – 5:00 PM (ET)

The Oak Ridge Leadership Computing Facility (OLCF) will host a Summit Training Workshop on February 11-13, 2019. This event is meant to help new Summit users (or those intending to use Summit) get up and running on the system. There will be a combination of presentations and hands-on sessions (see below).

Who Should Attend?
The target audience for this workshop are OLCF users who have recently obtained access to Summit or those who intend to run on Summit in the future.

During the Workshop
Each day will consist of presentations in the morning followed by hands-on sessions in the afternoons (see “Agenda” tab below). The presentations are meant to deliver relevant information about the system (hardware, job launcher, programming methods, etc.), while the hands-on sessions are intended to help participants get their own codes running on Summit (Ascent). OLCF staff and our vendor partners will be available to help during the hands-on sessions.

Please note that we will be using the Ascent system for this workshop (unless you already have Summit access). Ascent is a stand-alone system consisting of 16 nodes identical to Summit’s nodes. So for those participants using Ascent, the focus should be to get your application running on the system, but not scaling up to large node counts.

Deadlines for Non-Badged Attendees to Register for In-Person Attendance
Non-Badged US citizens must register for in-person attendance by February 4, 2019.
Non-Badged Foreign Nationals must register for in-person attendance by January 28, 2019

(Limited) Remote Participation
If you choose to attend remotely (see “Remote Participation” tab below), you will be able to view all presentations, but will not be able to participate in the hands-on sessions or access Ascent.

If you would like to attend on-site or remotely, please register using the form below. If you have any questions, please contact Tom Papatheodore ([email protected]).

[tw-tabs tab1=”Registration” tab2=”Remote Participation” tab3=”Lodging & Transportation” tab4=”Agenda” tab5=”Presentation” tab6=”Workshop Survey“]

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[tw-tab] Please remember to register even if you are attending remotely.
Keep in mind that if you choose to attend remotely, you will be able to view all presentations, but will not be able to participate in the hands-on sessions or access Ascent.

To join the Meeting:

To join via Room System:
Video Conferencing System: -or-
Meeting ID : 531710551

To join via phone:
1) Dial:
+1.408.740.7256 (US (San Jose))
+1.888.240.2560 (US Toll Free)
+1.408.317.9253 (US (Primary, San Jose))
(see all numbers –
2) Enter Conference ID : 531710551



NOTES about lodging:

  • You will want to arrive Sunday, February 10 since we will be starting at 8:00 AM ET Monday morning.

NOTES about transportation:

  • Knoxville is served by the McGhee Tyson Airport, which is located about 20-25 minutes from West Knoxville and about 30-35 minutes from Oak Ridge (depending on traffic). You will likely want to rent (or share) a car to get around, and also because Uber/Lyft will not be able to enter the laboratory.

For out-of-town participants, you can make a reservation to stay at the ORNL Guest House, or there are a number of nice hotels in the area. You can choose to stay in either Oak Ridge or West Knoxville. Staying in Oak Ridge will be a bit closer to the lab, but there will be more to do (after hours) in West Knoxville. A few hotels from each area are listed below, but there are many to choose from:

Oak Ridge Hotels West Knoxville Hotels
DoubleTree StayBridge Suites
Hampton Inn Fairfield Inn & Suites
Comfort Inn Holiday Inn Express & Suites



[tw-tab] All slides and recordings will be posted here as well as to the Training Archive Page after the event.

Summit Training Workshop Introduction (Tom Papatheodore, OLCF): slides
Summit System Overview (Scott Atchley, OLCF): (slides | recording)
Storage Areas and Data Transfers (George Markomanolis, OLCF): (slides | recording)
Programming Environment (Matt Belhorn, OLCF): (slides | recording)
Resource Scheduler and Job Launcher (Chris Fuson, OLCF): (slides | recording)
Python on Summit (Matt Belhorn, OLCF): (slides | recording)
Practical Tips for Running on Summit (David Appelhans, IBM): (slides | recording)

CUDA Unified Memory (Steve Abbott, NVIDIA): (slides | recording)
Programming Methods for Summit’s Multi-GPU Nodes (Steve Abbott, NVIDIA): slides
CUDA-Aware MPI and GPUDirect (Steve Abbott, NVIDIA): (slides | recording)
GPU-Accelerated Libraries (Jeff Larkin, NVIDIA): (slides | recording)
NVIDIA Profilers (Jeff Larkin, NVIDIA): slides
Using V100 Tensor Cores (Jeff Larkin, NVIDIA): (slides | recording)
Summit Node Performance (Wayne Joubert, OLCF): (slides | recording)

Closing Information (Tom Papatheodore, OLCF): slides
Arm Tools (Nick Forrington, Arm): slides
GPFS / Spectrum Scale (George Markomanolis, OLCF): slides
Burst Buffers / NVMe / SSDs (George Markomanolis, OLCF): (slides | recording)
Burst Buffers / NVMe / SSDs (Christopher Zimmer, OLCF): (slides | recording)
Network Features & MPI Tuning (Christopher Zimmer, OLCF): (slides | recording)
CAAR Porting Experience: FLASH (Austin Harris, OLCF): (slides | recording)
CAAR Porting Experience: LS-DALTON (Ashleigh Barnes, OLCF): slides
CAAR Porting Experience: RAPTOR (Ramanan Sankaran, OLCF): (slides | recording)


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Feb 11 - 13 2019


8:00 am - 5:00 pm


BLDG 5100, RM 128 (JICS Auditorium)


Thomas Papatheodore
1 (865) 576-1244
[email protected]
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