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[Users] NERSC Weekly Email, Week of March 23, 2020

Author: Rebecca Hartman-Baker <rjhartmanbaker_at_lbl.gov>
Date: 2020-03-23 16:08:23

# NERSC Weekly Email, Week of March 23, 2020 <a name="top"></a> # ## Contents ## - [Summary of Upcoming Events and Key Dates](#dates) ## [Updates at NERSC ](#section1) ## - [Normal NERSC Operations Expected During California Shelter-in-Place Period](#curtailment) - [Missed the February 28 GPU Training? Videos Now Available!](#gputrainvids) ## [Upcoming Training Events ](#section2) ## - [One-Day Roofline on GPUs Demo Session, April 13](#roofline) - [Learn to Use Spin to Build Science Gateways at NERSC: Next SpinUp Workshop Starts in April](#spinup) - [NVIDIA RAPIDS Training on April 14, 2020 is Now Online Only](#rapids) - [CUDA Training Series Continues April 16](#cudatrain) - [OpenACC Training Series at NERSC and OLCF, starting April 17](#openacc) ## [Calls for Participation ](#section3) ## - [Submissions for INFOCOMP 2020, The Tenth International Conference on Advanced Communications and Computation, Due May 18](#infocomp) ## [NERSC News ](#section4) ## - [Update to NERSC Ticketing System Tomorrow Afternoon](#ticketmaint) - [Cori Maintenance on Wednesday, March 25; Reduced Scope, Shorter Downtime](#corimaint) - [No New "NERSC User News" Podcast this Week](#nopodcast) - [Come Work for NERSC!](#careers) - [Upcoming Outages](#outages) - [About this Email](#about) ## Summary of Upcoming Events and Key Dates <a name="dates"/></a> ## March 2020 Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 *24**25* 26 27 28 24 Mar Ticketing System Maintenance [1] 25 Mar Cori Scheduled Maintenance [2] 29 30 31 April 2020 Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 *13**14* 15 *16**17* 18 13 Apr Roofline Demo Session [3] 14 Apr RAPIDS Training [4] 16 Apr CUDA Optimization Training [5] 17 Apr OpenACC Training part 1 [6] 19 20 21 22 *23* 24 25 23 Apr SpinUp [7] 26 27 28 29 30 May 2020 Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 *13* 14 15 16 13 May CUDA Optimization Training [5] 17 18 19 20 21 22 23 24 *25* 26 27 *28* 29 30 25 May Memorial Day [8] 28 May OpenACC Training part 2 [6] 31 1. **March 24, 2020**: Ticketing system maintenance 2. **March 25, 2020**: Cori scheduled maintenance 3. **April 13, 2020**: [Roofline for GPUs Demo Session](#roofline) 4. **April 14, 2020**: [RAPIDS Training](#rapids) 5. **April 16 and May 13, 2020**: [NVIDIA CUDA Training Series](#cudatrain) 6. **April 17, May 28 and June 23, 2020**: [OpenACC Training](#openacc) 7. **April 23, 2020**: [SpinUp workshop](#spinup) 8. **May 25, 2020**: Memorial Day Holiday (No Consulting or Account Support) 9. All times are **Pacific Time zone** - **Other Significant Dates** - **June 18 and July 21, 2020** NVIDIA CUDA Training Series - **July 4, 2020**: Independence Day Holiday (No Consulting or Account Support) - **July 6-12, 2020**: [SciPy2020](https://www.scipy2020.scipy.org/) Conference - **September 7, 2020**: Labor Day Holiday (No Consulting or Account Support) - **November 26-27, 2020**: Thanksgiving Holiday (No Consulting or Account Support) - **December 24, 2020-January 1, 2021**: Christmas/New Year Holiday (Limited Consulting or Account Support) ([back to top](#top)) --- ## Updates at NERSC <a name="section1"/></a> ## ### Normal NERSC Operations Expected During California Shelter-in-Place Period <a name="curtailment"/></a> Berkeley Lab, where NERSC is housed, is located in California, which is under a statewide public health shelter-in-place Order for an indefinite period of time. Under this Order, only essential businesses may remain open. NERSC is considered an essential business due to its national importance, so we are staying in operation, but with the majority of NERSC staff working remotely and only a skeleton crew onsite. During this period, you can expect regular online consulting and account support but no telephone support. All trainings will be held online, or postponed if online is infeasible. Regular maintenances on the systems will continue to be performed while minimizing onsite staff presence, which could result in longer downtimes than would occur under normal circumstances. Because onsite staffing will be so minimal, we request that you refrain from calling NERSC Operations except to report urgent system issues. ### Missed the February 28 GPU Training? Videos Now Available! <a name="gputrainvids"/></a> Did you miss the "Intro to GPU" training on February 28? Do you want to brush up on what you may have forgotten about GPUs? Recordings of the training sessions are now available on the NERSC YouTube channel in a [playlist](https://www.youtube.com/watch?v=XYUJN8AxZaY&list=PL20S5EeApOStGe26O8BxMAG4n_gKJVHRT). ([back to top](#top)) --- ## Upcoming Training Events <a name="section2"/></a> ## ### One-Day Roofline on GPUs Demo Session, April 13 <a name="roofline"/></a> Are you interested in gaining a better understanding of your application's performance on GPUs? Do you want to learn a methodology for improving application performance? If so, please join us at the Roofline on GPUs Demo Session, which will be held on April 13. The Roofline performance model provides an intuitive and insightful way to understand application performance, identify bottlenecks, and perform optimizations for HPC applications. Please note that due to the current situation, we have postponed the hackathon component of the event. For more information and to register, please see <https://www.nersc.gov/users/training/events/roofline-on-nvidia-gpus-hackathon/>. Registration closes April 6. ### Learn to Use Spin to Build Science Gateways at NERSC: Next SpinUp Workshop Starts in April <a name="spinup"/></a> Spin is a new service platform at NERSC based on Docker container technology. It can be used to deploy science gateways, workflow managers, databases, and all sorts of other services that can access NERSC systems and storage on the back end. To learn more about how Spin works and what it can do, please listen to the NERSC User News podcast on Spin: <https://anchor.fm/nersc-news/episodes/Spin--Interview-with-Cory-Snavely-and-Val-Hendrix-e1pa7p>. Attend an upcoming SpinUp workshop to learn to use Spin for your own science gateway projects! Applications for sessions that begin [Thursday April 23](https://www.nersc.gov/users/training/spin/) are now open. SpinUp is hands-on and interactive, so space is limited. Participants will attend two instructional sessions and a hack-a-thon to learn about the platform, create running services, and learn maintenance and troubleshooting techniques. Local and remote participants are welcome. See a video of Spin in action at the [Spin documentation](https://docs.nersc.gov/services/spin/) page. ### NVIDIA RAPIDS Training on April 14, 2020 is Now Online Only <a name="rapids"/></a> We will hold the NVIDIA RAPIDS training on April 14 exclusively online. If you planned to come to NERSC for this training, please tune in remotely. ### CUDA Training Series Continues April 16 <a name="cudatrain"/></a> NVIDIA is presenting a 9-part CUDA training series intended to help new and existing GPU programmers understand the main concepts of the CUDA platform and its programming model. Each part will include a 1-hour presentation and example exercises. The exercises are meant to reinforce the material from the presentation and can be completed during a 1-hour hands-on session following each lecture via teleconference or on your own. **The entire event will be online exclusively for this event.** The fourth training in the series, on Fundamental CUDA Optimization, is a continuation of what was learned last time about optimization strategies related to kernel launch configurations, GPU latency hiding, global memory throughput, and shared memory applicability. Following the presentation will be a hands-on session where participants can complete example exercises meant to reinforce the presented concepts. Registration for part 4 closes Thursday, April 9. For more information (including registration information) please see <https://www.nersc.gov/users/training/events/fundamental-cuda-optimization-part-2-part-4-of-9-cuda-training-series/>. Other scheduled dates in the series: - May 13: [5. CUDA Atomics, Reductions, and Warp Shuffle](https://www.nersc.gov/users/training/events/cuda-atomics-reductions-and-warp-shuffle-part-5-of-9-cuda-training-series/) ### OpenACC Training Series at NERSC and OLCF, starting April 17 <a name="openacc"/></a> OpenACC is a directive-based approach to parallel programming for heterogeneous architectures, where developers specify regions of code (written in C, C++, or Fortran) to be offloaded from a host CPU to a GPU. This approach is meant to reduce the amount of programming effort required of developers relative to low-level models, such as CUDA. **NVIDIA will present a [3-part OpenACC training series](https://www.olcf.ornl.gov/openacc-training-series/)** intended to help new and existing GPU programmers learn to use the OpenACC API. Each part will include a one-hour presentation and example exercises. The exercises are meant to reinforce the material from the presentation and can be completed during a one-hour hands-on session following each lecture (via teleconference) or on your own. **The April training will be online only.** More details are available at: <https://www.nersc.gov/users/training/events/introduction-to-openacc-part-1-of-3-openacc-training-series-april-17-2020/> <https://www.nersc.gov/users/training/events/openacc-data-management-part-2-of-3-openacc-training-series-may-28-2020/> <https://www.nersc.gov/users/training/events/openacc-data-management-part-3-of-3-openacc-training-series-june-23-2020/> ([back to top](#top)) --- ## Calls for Participation <a name="section3"/></a> ## ### Submissions for INFOCOMP 2020, The Tenth International Conference on Advanced Communications and Computation, Due May 18 <a name="infocomp"/></a> INFOCOMP2020 is soliciting academic, research, and industrial contributions presenting research and practical results, position papers addressing the pros and cons of specific proposals, survey papers, and panel proposals. The conference will be held in Rome, Italy from September 27 to October 01, 2020. The submission deadline is **May 18, 2020**. Please see the [INFOCOMP website](http://www.iaria.org/conferences2020/INFOCOMP20.html) for information about the conference and the [submission page](http://www.iaria.org/conferences2020/SubmitINFOCOMP20.html) for submission details. ([back to top](#top)) --- ## NERSC News <a name="section4"/></a> ## ### Update to NERSC Ticketing System Tomorrow Afternoon <a name="ticketmaint"/></a> NERSC will be updating its ticketing system to the latest software stack tomorrow, Tuesday, March 24. The maintenance will take place from 1-5 pm (Pacific). For approximately one hour during this period, <https://help.nersc.gov> will not be accessible. Tickets submitted by email will be held in a queue during the downtime. If you have bookmarked the ServiceNow URL to which help.nersc.gov resolves, that URL will change to <https://nersc.servicenowservices.com/> after the maintenance. ### Cori Maintenance on Wednesday, March 25; Reduced Scope, Shorter Downtime <a name="corimaint"/></a> The March Cori system maintenance for this Wednesday, March 25, has been scaled down. During this maintenance, we will simply be installing a minor patch set and performing hardware maintenance on Cori. Because there will be less to do, the maintenance will begin at 7:00 am (Pacific) rather than just after midnight. During the maintenance, the Cori scratch file system will be available from systems other than Cori. We expect to have the system returned to users before 7:00 pm on Wednesday. ### No New "NERSC User News" Podcast this Week <a name="nopodcast"/></a> There will be no new episode of the "NERSC User News" podcast this week as we try to adapt to social distancing. We encourage you to instead enjoy some of our most recent episodes and greatest hits: - [RAPIDS](https://anchor.fm/nersc-news/episodes/The-RAPIDS-Library-Nick-Becker-Interview-eb0h5a) In this interview with NVIDIA RAPIDS senior engineer Nick Becker, learn about the RAPIDS library, how it can accelerate your data science, and how to use it. - [IO Middleware](https://anchor.fm/nersc-news/episodes/IO-Middleware-Quincey-Koziol-Interview-eaf5r3/a-a1c7plt) NERSC Principal Data Architect Quincey Koziol talks about IO Middleware: what it is, how you can benefit from using it in your code, and how it is evolving to support data-intensive computing and future supercomputing architectures. - [NERSC 2019 in Review and Looking Forward](https://anchor.fm/nersc-news/episodes/NERSC-2019-in-Review-and-Looking-Forward--Sudip-Dosanjh-Interview-ea5d5t/a-a1a6cpd) NERSC director Sudip Dosanjh reflects upon the accomplishments of NERSC and its users in 2019, and what he's looking forward to in 2020 at NERSC. - [Community File System](https://anchor.fm/nersc-news/episodes/Community-File-System-Kristy-Kallback-Rose--Greg-Butler--and-Ravi-Cheema-Interview-e9d88q/a-a149hf5) NERSC Storage System Group staff Kristy Kallback-Rose, Greg Butler, and Ravi Cheema talk about the new Community File System and the migration timeline. - [Monitoring System Performance](https://anchor.fm/nersc-news/episodes/Monitoring-System-Performance-Eric-Roman-Interview-e5g20m/a-aobd6p) NERSC Computational Systems Group's Eric Roman discusses how NERSC monitors system performance, what we're doing with the data right now, and how we plan to use it in the future. - [The Superfacility Concept](https://anchor.fm/nersc-news/episodes/The-Superfacility-Concept-Debbie-Bard-Interview-e5a5th/a-amoglk): Join NERSC Data Science Engagement Group Lead Debbie Bard in a discussion about the concept of the superfacility: what it means, how facilities interact, and what NERSC and partner experimental facilities are doing to prepare for the future of data-intensive science. - [Optimizing I/O in Applications](https://anchor.fm/nersc-news/episodes/Optimizing-IO-in-Applications-Jialin-Liu-Interview-e50nvm): Listen to an I/O optimization success story in this interview with NERSC Data and Analytics Services Group's Jialin Liu. - [NESAP Postdocs](https://anchor.fm/nersc-news/episodes/NESAP-Postdocs--Laurie-Stephey-Interview-e2lsg0): Learn from NESAP postdoc Laurie Stephey what it's like working as a postdoc in the NESAP program at NERSC. The NERSC User News podcast, produced by the NERSC User Engagement Group, is available at <https://anchor.fm/nersc-news> and syndicated through iTunes, Google Play, Spotify, and more. Please give it a listen and let us know what you think, via a ticket at <https://help.nersc.gov>. ### Come Work for NERSC! <a name="careers"/></a> NERSC currently has several openings for postdocs, system administrators, and more! If you are looking for new opportunities, please consider the following openings: - [Software/DevOps/API Engineer](https://jobs.lbl.gov/jobs/software-devops-api-engineer-2611): Work on the system that tracks and manages resource usage and help build an API to automate the use of supercomputing resources. - [Storage Systems Group Leader](https://jobs.lbl.gov/jobs/storage-systems-group-leader-2596): Lead the group responsible for supporting NERSC's large-scale parallel file systems and archival storage systems with an eye towards balancing performance, stability, and usability for NERSC's over 7000 users. - [HPC Network Engineer](https://jobs.lbl.gov/jobs/hpc-network-engineer-2580): Be part of the team who shares in the design, implementation and on-going maintenance of NERSC's high performance networks. - [HPC Architecture & Performance Student Assistant](https://jobs.lbl.gov/jobs/hpc-architecture-performance-student-assistant-2537): Summer internships in the [Advanced Technologies Group](https://www.nersc.gov/about/nersc-staff/advanced-technologies-group/). Areas of interest span from performance analysis for next generation high-performance computing (HPC) architectures, power management and evaluating OpenMP on accelerators. - [HPC Consultant/Software Integration Specialist](https://jobs.lbl.gov/jobs/hpc-consultant-software-integration-specialist-2491): Provide courteous and expert advice to NERSC users, and help develop continuous integration at NERSC. - [NESAP Engineer](https://jobs.lbl.gov/jobs/nesap-engineer-2476): Work as part of a multidisciplinary team composed of computational and domain scientists working together to produce mission-relevant science that pushes the limits of HPC in simulation, data, or learning. - [HPC Architecture and Performance Engineer](https://jobs.lbl.gov/jobs/hpc-architecture-and-performance-engineer-2427): Evaluate global technology trends and combine them with the needs of NERSC users with the goal of architecting the supercomputing ecosystem of the future. - [Application Performance Specialists (for ECP)](https://jobs.lbl.gov/jobs/application-performance-specialist-1010): Help prepare large-scale scientific codes for next-generation high performance computing (HPC) systems. - [High Performance Computing Security Developer](https://jobs.lbl.gov/jobs/high-performance-computing-security-developer-2295): Protect Exascale class systems in an open-science environment and enhance network and host intrusion prevention as we migrate from 100G to Terabit networks. - [NESAP for Simulations Postdoctoral Fellow](https://jobs.lbl.gov/jobs/nesap-for-simulations-postdoctoral-fellow-2004): work in multidisciplinary teams to transition simulation codes to NERSC's new Perlmutter supercomputer and produce mission-relevant science that truly pushes the limits of high-end computing. - [NESAP for Data Postdoctoral Fellow](https://jobs.lbl.gov/jobs/nesap-for-data-postdoctoral-fellow-2412) work in multidisciplinary teams to transition data-analysis codes to NERSC's new Perlmutter supercomputer and produce mission-relevant science that truly pushes the limits of high-end computing. - [NESAP for Learning Postdoctoral Fellow](https://jobs.lbl.gov/jobs/nesap-for-learning-postdoctoral-fellow-1964): work in multidisciplinary teams to develop and implement cutting-edge machine learning/deep learning solutions in codes that will run on NERSC's new Perlmutter supercomputer and produce mission-relevant science that truly pushes the limits of high-end computing. - [HPC Storage Systems Analyst](https://jobs.lbl.gov/jobs/hpc-storage-systems-analyst-1851): Help architect, deploy, and manage NERSC's storage hierarchy (including Burst Buffer, Lustre, and Spectrum Scale filesystems, and HPSS archives). (**Note:** We have received reports that the URLs for the jobs change without notice, so if you encounter a page indicating that a job is closed or not found, please check by navigating to <https://jobs.lbl.gov/>, scrolling down to the 9th picture that says "All Jobs" and clicking on that. Then, under "Business," select "View More" and scroll down until you find the checkbox for "NE-NERSC" and select it.) We know that NERSC users can make great NERSC employees! We look forward to seeing your application. ### Upcoming Outages <a name="outages"/></a> - **Cori** - 03/25/20 7:00-19:00 PDT, Scheduled Maintenance There will be no user access to the Cori system during the maintenance window. - **HPSS Archive (User)** - 03/25/20 9:00-13:00 PDT, Scheduled Maintenance Visit <http://www.nersc.gov/users/live-status/> for latest status and outage information. ### About this Email <a name="about"/></a> You are receiving this email because you are the owner of an active account at NERSC. This mailing list is automatically populated with the email addresses associated with active NERSC accounts. In order to remove yourself from this mailing list, you must close your account, which can be done by emailing <accounts@nersc.gov> with your request. _______________________________________________ Users mailing list Users@nersc.gov

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