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About OLCF
- - ORNL’s supercomputing program grew from humble beginnings to deliver the most powerful system ever seen. On the way, it has helped researchers deliver practical breakthroughs and new scientific knowledge in climate, materials, nuclear science, and a wide range of other disciplines.
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OLCF Resources
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. For User support in using these resources, please visit the For Users section of this website.
- - Compute Systems
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R&D Activities
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. Please note that the For Users section of this website provides extensive information on accessing and employing these resources.
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Science at OLCF
- - The Oak Ridge Leadership Computing Facility (OLCF) engages a world-class team from national laboratories, research institutions, computing centers, universities, and vendors to take a dramatic step forward to field a new capability for high-end science.
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For Users
- - Contact Support
    
    Need assistance from a trained OLCF support staff member? We're here to help.
    
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    Call: 865.241.6536
    
    Email: help@olcf.ornl.gov
    
    Status Tweets: @olcfstatus
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- - Look here for the latest news, reports, and graphics from the OLCF, including branding tools, logos, and acknowledgement statements. You will also find archived information and resources like annual reports and operational assessments.
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Menu

About OLCF
- - ORNL’s supercomputing program grew from humble beginnings to deliver the most powerful system ever seen. On the way, it has helped researchers deliver practical breakthroughs and new scientific knowledge in climate, materials, nuclear science, and a wide range of other disciplines.
- Close
OLCF Resources
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. For User support in using these resources, please visit the For Users section of this website.
- - Compute Systems
- - Data & Visualization Resources
- Close
R&D Activities
- - Learn more about the OLCF’s comprehensive suite of hardware and software resources for the creation, manipulation, and retention of scientific data. Please note that the For Users section of this website provides extensive information on accessing and employing these resources.
- Close
Science at OLCF
- - The Oak Ridge Leadership Computing Facility (OLCF) engages a world-class team from national laboratories, research institutions, computing centers, universities, and vendors to take a dramatic step forward to field a new capability for high-end science.
- Close
For Users
- - Contact Support
    
    Need assistance from a trained OLCF support staff member? We're here to help.
    
    User Assistance Center
    
    Submit a Support Ticket
    
    Call: 865.241.6536
    
    Email: help@olcf.ornl.gov
    
    Status Tweets: @olcfstatus
- - OLCF User Docs
- - Training
- - Center Announcements
  - Acknowledgement Statement
- Close
Community
- - Look here for the latest news, reports, and graphics from the OLCF, including branding tools, logos, and acknowledgement statements. You will also find archived information and resources like annual reports and operational assessments.
- Close

Weekly Update: August 22, 2018

5 years ago •

IN THIS MESSAGE

Center Announcements
- User Assistance Center Schedule (Sep 3)
Meetings & Workshops
- OLCF User Conference Call (Aug 29)
- ARM Debugging and Performance Analysis Workshop – Presented by Arm (Sep 14)
Upcoming Scheduled Outages (none)

CENTER ANNOUNCEMENTS

USER ASSISTANCE CENTER SCHEDULE (SEP 3)
The OLCF User Assistance Center will be closed on Monday, September 3 due to an ORNL-observed holiday. The normal user assistance schedule (weekdays 9 AM – 5 PM Eastern Time) will resume on Tuesday, September 4. NOTE: The ORNL Computer Operations staff will still be available for limited troubleshooting 24 hours a day.

MEETINGS & WORKSHOPS

OLCF USER CONFERENCE CALL (AUG 29)
The August OLCF User Conference Call will be held at noon (Eastern Time) on Wednesday, August 29. The call will include a demonstration of parallel server capabilities of pbdR from a laptop RStudio session. ORNL’s George Ostrouchov will show how to run a distributed pbdR server on OLCF’s data analysis cluster Rhea, get data from the Lustre file system, and do this from the comfort of RStudio. Details of the call, including information on how to join, can be found on the event page.

ARM DEBUGGING AND PERFORMANCE ANALYSIS WORKSHOP – PRESENTED BY ARM (SEP 14)
On September 14, 2018, the Oak Ridge Leadership Computing Facility (OLCF) will host a workshop on debugging and performance analysis using the Arm Forge suite of tools. Arm representatives (Nick Forrington and John Linford) will give an introduction to both the Arm DDT and Arm MAP tools and show how they can be used together during application development. After the introduction, participants will be guided through a series of hands-on exercises to gain experience with the topics covered. The topics will include memory leaks, non-interactive debugging, debugging GPU applications, profiling MPI imbalance, and profiling GPU applications. If you would like more information, or want to register, please visit the event page

UPCOMING SCHEDULED OUTAGES

There are no outages scheduled through August 31.