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NUG 2022

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All NERSC users are invited to join us at the annual NERSC Users Group (NUG) meeting. The 2022 NUG annual meeting will be a virtual event held over three half-days on Wednesday, October 12; Thursday, October 13; and Friday, October 14.

Connection details (login required) are available to NERSC users with valid credentials.

Schedule of Events

Day 1: Wednesday, October 12

Theme: The landscape of HPC, AI, Cloud, and IRI (Integrated Research Infrastructure).

Time (Pacific)
Session 1 - Chair: Rebecca Hartman-Baker (NERSC)
9 - 9:30 a.m. Welcome & The View from NERSC Sudip Dosanjh, NERSC Director
9:30 10 a.m. View from Berkeley Lab Computing Sciences Jonathan Carter, Associate Lab Director for Computing Sciences
10 - 10:15 a.m. View from the Lab Michael Witherell, Laboratory Director
10:15 - 10:20 a.m. Announcement of NERSC Achievement Award winners Richard Gerber, NERSC, HPC Department Head
10:20 - 10:30 a.m. Break   
Session 2 - Chair: Steve Leak (NERSC)
10:30 10:45 a.m. A Critical  Resource for Nuclear Physics Research Program Xiaofeng Guo, Allocation Manager for Nuclear Physics
10:45 - 11 a.m. Perspective of the ASCR ERCAP Allocation Manager Hal Finkel, Allocation Manager for ASCR Research
11 - 11:15 a.m. HEP Allocations at NERSC Eric Church, Allocation Manager for High Energy Physics
11:15 - 11:45 a.m. The View from DOE Ben Brown, DOE/ASCR
11:45 a.m. - 12 p.m. Lightning Talk: The CMIP6 Data Lake Forrest Hoffman, ORNL

Day 2:
Thursday, October 13

Theme: Portability and Reproducibility.

Time (Pacific)
Session 3 - Chair: Rebecca Hartman-Baker (NERSC)
9:15 - 9:30 a.m. Welcome & Software Sustainability: ASCR’s Perspective Saswata Hier-Majumder, DOE ASCR
9:30 - 10:30 a.m. Panel: Performance Portability
Can we have a portable, performant software infrastructure that doesn’t make application programmers rewrite their codes every few years, and what will it take to get there?

Barbara Chapman, HPE
Rahul Gayatri, NERSC, Application Performance
Nestor Demeure, NERSC, Data & Analytics
Amanda Dufek, NERSC, Application Performance

Moderator: Johannes Blaschke, NERSC

10:30 - 10:45 a.m. Break  
Session 4 - Chair: Steve Leak (NERSC)
10:45 - 11:45 a.m.

Panel: Reproducibility in HPC
What defines "acceptable reproducibility" in your scientific community? 
What constrains/limits reproducibility? 
What techniques do you use to test reproducibility?
What can facilities like NERSC do to help?

Jeff Candy, Fusion
Ian Karlin, NVIDIA
Ed Kirton, JGI (Bioinformatics)
Salil Mahajan, ORNL (Climate)

Moderator: Forrest Hoffman, ORNL

11:45 a.m. 12 p.m.  Lightning Talk: Preparing Fusion Codes for Perlmutter Igor Sfiligoi, General Atomics

Day 3: Friday, October 14

Theme: NUG business.

Time (Pacific) Topic
Session 5 - Chair: Kevin Gott (NERSC)
9 - 9:30 a.m. NERSC Operational Metrics for 2022 Richard Gerber, NERSC, HPC Department Head
9:30 - 10 a.m. N10 process and plans Nick Wright, NERSC, Advanced Technologies Group Lead
10 10:15 a.m. NUG Special Interest Group for the Weather Research and Forecasting Model Users Koichi Sakaguchi, PNNL
10:15 10:30 a.m. Break  
Session 6 - Chair: Justin Cook (NERSC)  
10:30 11 a.m. NERSC User Community Engagement Rebecca Hartman-Baker, NERSC, User Engagement Group Lead
11 11:30 a.m. The Status of Perlmutter Doug Jacobsen, NERSC, Computational Systems Group Lead
11:30 11:45 a.m. Update on NUGEX activities and achievements Pieter Maris, Iowa State University
11:45 a.m. 12 p.m. Upcoming changes to the Iris user interface Gabor Torok, NERSC
12 - 12:15 p.m. Recognition of NUGEX contributors, and closing remarks Steve Leak, NERSC, User Engagement Group


»Add NUG 2022 to your calendar.


  • NUGEX-SLeak-v2.pdf | Adobe Acrobat PDF file
    Steve Leak presentation thanking and recognising NUGEX members