NERSC User News

In this interview with NERSC Data Science Engagement Group Lead Debbie Bard, learn about the superfacility concept: what it means, how facilities interact, and what NERSC and partner experimental facilities are doing to …

In this interview with NERSC HPC Data Analytics Engineer Jialin Liu, learn about a case study on I/O optimization, in which the team took the Etalumis learning application from spending 75% of its time on I/O down to …

Learn about ERCAP, the allocation request process for NERSC, which opens today (August 12), in this interview with NERSC allocations and account support specialist Clayton Bagwell.

In this interview with NERSC Application Performance Specialist Charlene Yang, learn about the roofline model for application performance: what it is and how it works, how to use it to improve your application's …

In this interview with Appentra Solutions CEO and co-founder Manuel Arenaz, learn about the Appentra Parallelware Trainer tool: how it can help you …

In this interview with NERSC Building Infrastructure Group lead Ben Maxwell, learn about the mechanical substation work that will take NERSC offline …

Learn about the NERSC User Group (NUG), the upcoming NUG annual meeting (July 19, 2019 in Rockville, MD), and what NUG can do for you in this …

Learn all about containers, how people are using them at NERSC, and how to get started with them yourself, in this interview with NERSC Data Analytics and Services Group's Shane Canon!

Learn about Jupyter at NERSC: what it is, how it works, and what people are using it for, as well as plans for the future of Jupyter at NERSC, in …

In this interview with Cray senior principal engineer and senior manager in programming environments Heidi Poxon, learn about why you would want to …

In this interview with NERSC Application Performance Group Lead Jack Deslippe, learn about NERSC's KNL Office Hours (held every Friday in May from 9 …

In this interview with NERSC Application Performance Specialist Kevin Gott, learn about the upcoming community GPU hackathon NERSC will be hosting in …

In this interview with NERSC HPC Consultant Zhengji Zhao, learn the detailed schedule for Edison's retirement, a little Edison history, and how NERSC …

In this interview with Lawrence Livermore National Laboratory HPC I/O Specialist Elsa Gonsiorowski, learn about the Productivity and Sustainability Improvement Planning (PSIP) process originating from the IDEAS …

In this interview with David Bernholdt, a distinguished R&D staff member and leader of the Computer Science Research group at Oak Ridge National …

In this interview with NERSC HPC Application Specialist Brandon Cook, learn about the High-Impact Science at Scale on Cori program: what it's for, how to apply, and what to do if you aspire to run at large scale but …

In this episode, NERSC Data and Analytics Services Group's Machine Learning Engineer Mustafa Mustafa discusses the upcoming Deep Learning for Science …

In this episode, meet NERSC Assistant Building Manager Ernie Jew, who helps make sure that the facilities at NERSC run smoothly. Find out about what his job entails, what special skills he brings to NERSC, and how he …

In this interview with NERSC HPC Systems Engineer Aditi Gaur, learn about the pros and cons of using open-source software, how to get started contributing to an open-source project, and how to make your own project open …

In this interview with NERSC Operations Technology Group's Tom Davis, learn about why NERSC started collecting data on its machines, what sort of …

In this interview with NERSC HPC Architecture and Performance Engineer Taylor Groves, find out what's happening in the HPC networks research area, how Perlmutter's network will be better than what we have today, and …

In this interview with Berkeley Lab's Building Technologies and Urban Systems Division principal engineering associate and building energy efficiency …

In this interview with Berkeley Lab construction project director Ben Maxwell, learn about all the facilities work to prepare for the arrival of …

In this interview with NERSC Systems Department Head Tina Declerck, find out what's required to go from a contract with a vendor to a supercomputer in production for users.

In this interview with NERSC Site Reliability Engineer Owen James, learn about what it's like in the Operations Control Room, what the Operations …

NERSC Director Sudip Dosanjh discusses the highlights of 2018 at NERSC, as well as what NERSC is looking forward to in the next year and beyond.

In this interview with NERSC HPC architecture and performance engineer Doug Doerfler, learn about what NERSC is doing to plan for the next NERSC machine, why performance portability is vital for code development teams …

In this episode, Application Performance Specialist Brian Friesen discusses the postdoctoral fellowships at NERSC. Find out how you can join NERSC as a postdoc, either working in the NESAP program to prepare codes for …

In this interview with NERSC NESAP postdoc Laurie Stephey, learn what NESAP postdocs do, how Laurie optimizes Python code for the DESI project, and what it's like to be a NESAP postdoc!

In this interview with NERSC security specialist Abe Singer, learn about NERSC's plans for Multi-Factor Authentication (MFA), discover what will …

In this interview with NERSC Application Performance Specialist Brandon Cook, learn about the NERSC Exascale Scientific Applications Program (NESAP), the benefits of participation, and how you can participate (as a code …

In this interview with NERSC-9 project manager Jay Srinivasan and chief architect Nick Wright, learn about the new machine arriving at the end of 2020, why it was named Perlmutter, and the new features of the machine …

In this interview with Berkeley Lab Computational Research Division staff scientist and prolific NERSC user David Trebotich, learn what all those big …

In this interview with NERSC Security Engineer Craig Lant, learn about how NERSC keeps our machines safe, the unique security challenges in high-performance computing, and an exciting opportunity to join our team!

In this interview with Division Deputy and Data Department Head Katie Antypas, learn about what a superfacility is, how NERSC is helping users from experimental facilities to analyze their data, and what challenges lie …

Learn about the various filesystems available at NERSC, which filesystem to use when, and how HPSS accounting works in this interview with NERSC HPC …

In this interview with NERSC Application Performance Specialist Brian Friesen, learn what PGAS means, how using a PGAS programming model could …

In this interview, NERSC Allocations and Account Support specialist Clayton Bagwell discusses the ERCAP process. Learn what ERCAP stands for, find out the latest developments in the ERCAP system, and how to get help if …

This week NERSC Security Analyst Abe Singer returns to the show to discuss the latest developments with Multi-Factor Authentication (MFA) at NERSC. …

In this interview with NERSC Application Performance Specialist Thorsten Kurth, learn about some interesting applications of machine learning to science, why some of the most interesting applications require computing …

In this interview with NERSC Infrastructure Services Group's Gabor Torok, learn about best practices for software development, what kinds of skills are important for an effective software engineer, and how Gabor went …

In this interview with the Computational Systems Group's Dave Paul, learn about what a burst buffer is, why you would want to use it, and how to use …

In this interview with NERSC HPC Consultant Mario Melara, learn about NERSC's management of the software we install for users with Spack, …

In this interview with NERSC HPC Consultant Zhengji Zhao of the User Engagement Group, learn about what variable-time jobs are, what they can be used …

In this interview with NERSC's Richard Gerber, learn about the types of scientific research going on at NERSC, why computers are used for scientific research, and how a sports writer ended up becoming the senior science …

In this episode, learn about what it takes for NERSC to bring you a new supercomputer!

In this interview with NERSC's Glenn Lockwood, learn why the outlook for storage systems is rosy for the next several years, how flash storage works, and what NERSC has in common with Netflix!

Listen in to find out why NERSC switched to Slurm as its batch system and job scheduler, how Slurm schedules jobs, and how you can get jobs through …

Spin is NERSC's new service platform to be used as a complement to computational tasks. In this interview with NERSC Infrastructure Services Group Lead Cory Snavely and Berkeley Lab computer systems engineer Val …

In this episode, learn about the scratch filesystems available to NERSC users, why we purge them, and how the purge is performed in this interview with NERSC HPC Storage Systems Analyst Kirill Lozinskiy.

Learn what Identity and Access Management (IAM) is, how NERSC uses it to manage our many users, and our plans for the future, including the potential to enable you to use your institutional identity instead of having to …

Find out more about the maintenance that will bring NERSC offline the weekend of August 18 and 19! Learn what a switchgear is, why it's important, and how NERSC tries to minimize disruptive outages for users in this …

Learn what performance portability is, what makes it so difficult to achieve, and tools and programming environments that can help in this interview …

Learn about how some users are using Python in their daily workflows, what a Jupyter notebook is, and how to get the best Python performance at NERSC …

Learn about NERSC's Archive HPSS system: what it is, how it works, and how NERSC plans to relocate the data on it from Oakland to the main Berkeley Lab campus!

Learn about what deep learning is, how it can benefit your science, and what Debbie Bard (who leads NERSC's Data Science Engagement Group) has in common with some of the biggest-name bands in the world!

Find out all about multi-factor authentication (MFA) at NERSC, as well as the name of the podcast theme song, in this interview with NERSC security …

A summary of the May quarterly maintenance, plus an interview with NERSC system administrator James Botts on why it takes so long to upgrade the operating system on a supercomputer.