ICL Features in New UTK-led Enabling Capabilities in Technology Consortium

ICL will feature in one of two new university consortia recently awarded by the U.S. Department of Energy’s National Nuclear Security Administration (DOE/NNSA) Office of Defense Nuclear Nonproliferation to support the basic science that underlies its nuclear security and nonproliferation missions.

DNN’s Enabling Capabilities in Technology (TECH) Consortium will be led by the University of Tennessee Knoxville in partnership with fifteen universities and eight national laboratories. It will focus on enhancing nuclear nonproliferation efforts through a diverse team that will integrate new scientific knowledge with the development of innovative nonproliferation capabilities, while also training a skilled workforce to address future nuclear challenges. TECH’s primary goals will be to educate a diverse group of professionals for roles in DOE National Laboratories and related sectors, and to promote innovation through collaboration with national lab partners. This initiative will include a comprehensive approach involving joint mentorship by faculty and lab experts, a broad research portfolio covering both fundamental and applied sciences, and an extensive educational and training program. ICL’s Deborah Penchoff will serve as Executive Director in the new consortium, and she will contribute to Data Science and AI efforts across the technical teams.

Read the official announcement from DOE

ICL and UTK Department of Nuclear Engineering Host Guest Talk on Actinum-225

Dr. Ashleigh KimberlinDr. Ashleigh Kimberlin from ORNL visited UTK on Monday, June 24 in a visit co-organized by ICL and the UTK Department of Nuclear Engineering. Dr. Ashleigh Kimberlin is an associate radiochemist at ORNL working to optimize isotope production and bring new isotopes to market. Dr. Kimberlin presented a talk focused on Actinium-225, a promising radiotherapeutic to treat cancer. This work, known as the TriLab project, is a collaboration between Los Alamos, Brookhaven, and ORNL to bring “on-demand” Ac-225 to market. This application is part ICL’s RHE-HPC project in collaboration with Virginia Tech and Stony Brook University.

Find out more about Actinium-225 Production at ORNL

 

Jack Dongarra Interviewed by Dr. Neil Ashton

Jack Dongarra was recently featured on an episode of the Neil Ashton podcast. The conversation between Jack and Dr. Ashton touches on an array of topics surrounding the evolution and impact of HPC in scientific research, machine learning and AI, the competitiveness of the US in HPC, future technologies, and Dongarra’s career insights and advice. The podcast is available on YouTube, Spotify, and Apple Podcasts.

Congratulations

Jack Dongarra Inducted into National Academy of Sciences

Jack Dongarra at the NAS Book Signing Ceremony

ICL’s Jack Dongarra was among a group of newly elected members who were inducted into the National Academy of Sciences (NAS) during the 2024 NAS Annual Meeting held April 26-30 in Washington, DC. NAS membership is a widely accepted mark of excellence in science and is considered one of the highest honors that a scientist can receive. Members are elected to the National Academy of Sciences in recognition of their distinguished and continuing achievements in original research.

New Citizens

Congratulations to the United States for gaining new citizens in longtime ICLer George Bosilca and his wife, Gaelle. Look for them around the 14 second mark of this news clip abut the ceremony:

Daniel Barry Earns Volunteer of Distinction Award, Travel Grant for IPDPS

Daniel BarryICL’s Daniel Barry was among 5 Bredesen Center students who received the 2024 Volunteer of Distinction award. This award is from the Office of the Provost and celebrates the academic achievements of undergraduate and graduate students in this year’s graduating class.

Daniel also recently received a travel grant to attend IPDPS 2024 in San Francisco, CA where he presented his talk “Automated Data Analysis for Defining Performance Metrics from Raw Hardware Events“.

Congratulations, Daniel!

ICL’s Tokey Tahmid Lands Summer Internship with NREL

This summer, ICL’s Tokey Tahmid is working with the Artificial Intelligence, Learning, and Intelligent Systems (ALIS) group at the National Renewable Energy Laboratory (NREL) on sustainable AI using low-precision techniques.

Conference Reports

ISC 2024

ISC in Hamburg 2024ISC 2024 took place May 12-16 in Hamburg, Germany. The high performance computing–focused community forum brought together over 3,400 attendees from 52 countries for an intense exchange of insights and ideas under the theme “Reinventing HPC.”

University of Tennessee Professor Michela Taufer served as the program chair for this year’s conference, while ICL alum Hatem Ltaief of KAUST served as the HPC in Asia-Pacific Chair.

On-demand access to videos of the main sessions of ISC24 is available free of charge with registration at: https://eu.avolio.swapcard.com/ISC/2024/registrations/On demand

TOP500, HPCG, and HPL-MxP Awards

TOP500 Awards
ICL’s Jack Dongarra was on hand for the traditional mid-year release of the TOP500 and associated awards in a session on Monday, May 13, along with Horst Simon, Erich Strohmaier, and Rick Stevens.

In the 63rd edition of the TOP500 list, the Frontier system at ORNL remains the most powerful system on the list with an HPL score of 1.206 EFlop/s. In second place, Aurora is now the second machine to officially break the exascale barrier with an HPL score of 1.012 EFlop/s, despite not being fully complete yet. The Aurora team plans to get a full system run for the next TOP500 list.

Supercomputer Fugaku is the leader on the HPCG benchmark with an impressive score of 16 HPCG-PFlop/s. Frontier came in second with a score of 14.1 HPCG-PFlop/s, followed by Aurora in third with a score of 5.6 HPCG-PFlop/s.

This year’s winner of the HPL-MxP category is the Aurora system with 10.6 EFlop/s. Frontier has been pushed from the top spot on the last list to the No. 2 spot with a score of 10.2 EFlop/s, and LUMI is now in third place with a score of 2.35 EFlop/s.

Jack Dongarra Early Career Awards

ISC 2024 Jack Dongarra Early Career AwardsThe ISC High Performance Jack Dongarra Early Career Award and Lecture Series is an annual event that honors the contributions of Jack Dongarra to the field of high performance computing and the HPC community. This year’s award was shared by 2 recipients: Amanda Randles of Duke University’s Biomedical Engineering Department and Edgar Solomonik of the Department of Computer Science at the University of Illinois. You can read about these recipients and their work in a recent article from HPCwire.

MxP Tutorial

ICL’s Jack Dongarra, Hartwig Anzt, and Piotr Luszczek presented a tutorial titled “Modern Mixed-Precision Methods: Hardware Perspectives, Algorithms, Kernels, and Solvers.” The tutorial explored the growing field of mixed- and multi-precision methods, highlighting the synergy between HPC and machine learning, and showcased recent algorithmic advancements in exploiting multiple floating-point representations for improved performance and efficiency in large-scale simulations on modern hardware, including accelerators. Hartwig also presented a tutorial on “Performance Engineering for Linear Solvers.”

HPC on Heterogeneous Hardware Workshop

ICL’s Hartwig Anzt and Piotr Luszczek teamed up with ICL alumni Hatem Ltaief and Bilel Hadril of KAUST to organize the HPC on Heterogeneous Hardware (H3 2024) workshop at ISC 2024. This year represented the 3rd edition of this workshop and featured a blend of invited talks, peer-reviewed contributions, and expert panels focused on themes of heterogeneity in programming approaches including language solutions and DSL-friendly middleware libraries,  heterogeneous workloads that rely on convergence of scientific modeling, data analytics, and scientific AI/ML data models, and heterogeneity in data representation including hierarchical, randomized, compressive, and mixed-precision methods. Read more about H3 2024 at: https://icl.utk.edu/~luszczek/conf/2024/h3/

Looking Ahead

Looking ahead to ISC2025

ISC 2025 will mark a significant milestone as the 40th edition of the ISC High Performance event series. It is scheduled to be held once again in the vibrant city of Hamburg from June 10 to 13. With the theme “Connecting the Dots”, Torsten Hoefler will be the program chair.

Recent Releases

SLATE 2024.05.31

The SLATE team released SLATE 2024.05.31 featuring:

  • Added shared library version (ABI version 1.0.0)
  • Updated enum parameters to have to_stringfrom_string;
    deprecated <enum>2strstr2<enum>
  • Changed methods to enums; renamed some values and deprecated old values
  • Added “all vectors” case to SVD
  • Fixed SVD for slightly tall case (m > n but not m >> n)
  • Removed some deprecated functions
  • Deprecated tile life
  • Moved Tile routines to slate::tile namespace
  • Added slate_matgen matrix generation library, factored out from testers
  • Added slate::set variant that takes lambda
  • Updated LAPACK API and ScaLAPACK API
  • Fixed C and Fortran API. Added examples and CI tests for C and Fortran
  • Improved handling of non-uniform tile sizes on GPUs
  • Improved GPU-to-GPU communication
  • Added info error check to Cholesky (posv, potrf)
  • Added internal timers to testers; use tester --timer-level 2

Ginkgo 1.8.0

The Ginkgo team is proud to announce the new Ginkgo minor release 1.8.0. This release brings new features such as:

  • A brand new file-based configuration for Ginkgo objects: you can now construct Ginkgo objects (solvers, preconditioners, …) from a JSON configuration file. This simplifies interfacing to Ginkgo as well as exploring different settings to solve a problem.
  • Expand the batched feature set with: the Batched CSR Matrix format, batched CG solver, batched (Block-)Jacobi preconditioner, usage example and other features such as scaling,
  • New Distributed Multigrid and the PGM coarsening method,
  • New CUDA and HIP kernels for Reverse Cuthill McKee (RCM) reordering
  • Better Ginkgo and Kokkos interaction thanks to a mapping from simple Ginkgo types to native Kokkos types

and more!

Interview

Scott Wells

ICL Alumni
Scott Wells Then

When we last interviewed you in 2011, you had started a new position with UT’s Center for Intelligent Systems and Machine Learning (CISML). Catch us up on where you have been since then and what you are up to now.

Gosh, a lot has happened since then. I worked as a program manager for CISML for a few years, basically coordinating all aspects of its operation. My 2011 newsletter interview goes into more detail about that if you’re interested.

After CISML, I went to work for UT’s National Institute for Computational Sciences (NICS). Though NICS has offices in Claxton intermixed with ICL space, their main office is out at the lab (ORNL). At NICS, I worked as a project manager on a big, multi-institution NSF award called XSEDE, which was a follow-on to TeraGrid. In 2022, as the XSEDE project was winding down, a new administrative position was created in UT’s Min H. Kao Electrical Engineering and Computer Science Department (EECS), titled Chief of Staff (CoS). I interviewed for it, they hired me, and it’s the role I have now.

As for what I do as CoS, I have a wide array of responsibilities. Technically, I oversee all administrative aspects of the department – business office, IT group, communications – to name a few. EECS is one of the largest academic units on campus, so there are a lot of moving parts every day. Counting students, faculty (TT and NTT), and staff, there are over 1,400 people in the department. As such, it’s probably easier to describe what I do as traffic and fire control. LOL! I direct administrative traffic and help solve problems.

What did you work on during your time at ICL?

I began at ICL as a research associate, and my first project was called the Repository in a Box, or RIB for short. I’m sure if you do a search for that online, you’ll find a paper or something that describes it.

Since I was at ICL for many years, I was fortunate enough to be promoted within the group a few times. After moving out of the research associate role, I coordinated some administrative efforts related to the group’s involvement in the DoD High Performance Computing Modernization Program (HPCMP).

My first few years at ICL saw incredible growth within the group (i.e., number of projects and personnel). With that also came growth in the group’s great reputation and exposure world-wide. As a result, we recognized a need to enhance the group’s external communication efforts. Terry Moore (former associate director) and I fostered the creation of an ICL Communications group, whose main responsibilities were to improve the website, edit group produced research papers, create posters and flyers for conferences, and even create this newsletter you are now reading. I headed that new group and served in that role until my departure.

What are some of your favorite memories from your time at ICL?

When I began at ICL, the group was located in Ayres Hall, and six or seven of us shared a single room with a small “cubicle farm.” Putting a bunch of 20-something year old males, charged with being creative and innovative, in a room separated by cubicle walls is often a recipe for disaster. I won’t say there weren’t disasters, but we all got along great. We worked hard but we had fun too. We played pranks on each other, laughed every day (and cried sometimes), and became close.

After we moved from Ayres to Claxton, where we had our own offices, some of us still got together from time to time. We even formed a Dungeons & Dragons group, where we played in the ICL conference room after work. We would order food, have it delivered, and play until 8-9 in the evening. We would even sometimes get together on weekends. That was so much fun, and I remember those days fondly.

Of course, the Friday lunches are memorable, maybe not so much the talks but the free food. The lunches were a nice way to end the week and occasionally learn something new (and interesting) at the same time.

So in summary, I worked with some incredible people at ICL, many whom became lifelong friends. Even though most of them have moved on to other adventures (including retirement) and we don’t communicate much, working with them and becoming friends have to be some of my favorite memories.

What are your interests/hobbies outside of work?

I guess I have four. Besides spending time with my wife and our dog, I like to read (mostly fantasy and historical fiction), workout, blog, and play with fish. For some clarity on that last interest, read my answer to the question below.

Tell us something about yourself that might surprise people.

I have been a freshwater aquarist for nearly 25 years. I keep and breed fish at home. For those of you familiar with tropical, freshwater fish, I breed and raise several species of cichlids. Though there are few thousand cichlid species, only a fraction are available in the hobby. I am partial to Lamprologines, most of which are endemic to Lake Tanganyika, one of the rift lakes of east Africa. As part of that interest, I also maintain a blog about cichlids called The Cichlid Stage. I think it’s the most popular blog (not forum) about cichlids in the world, at least based on online search returns.

Recent Papers

  1. Anzt, H., A. Huebl, and X. S. Li, Then and Now: Improving Software Portability, Productivity, and 100× Performance,” Computing in Science & Engineering, pp. 1 - 10, April 2024.
  2. Kovalchuk, S. V., C. de Mulatier, V. V. Krzhizhanovskaya, J. MikyÅ¡ka, M. Paszyński, J. Dongarra, and P. M. A. Sloot, Computation at the Cutting Edge of Science,” Journal of Computational Science, June 2024.

Recent Conferences

  1. APR
    -
    16th JLESC Workshop Kobe, Japan
    Joseph Schuchart
    Joseph
    Thomas Herault
    Thomas
    Joseph Schuchart, Thomas Herault
  2. APR
    -
    Joseph Schuchart
    Joseph
    Joseph Schuchart
  3. MAY
    Circular Bioeconomy Systems Workshop Knoxville
    Deborah Penchoff
    Deborah
    Deborah Penchoff
  4. MAY
    -
    ISC 2024 Hamburg, Germany
    Hartwig Anzt
    Hartwig
    Jack Dongarra
    Jack
    Piotr Luszczek
    Piotr
    Hartwig Anzt, Jack Dongarra, Piotr Luszczek
  5. MAY
    -
    Maksim Melnichenko
    Maksim
    Maksim Melnichenko
  6. MAY
    -
    IPDPS 2024 San Francisco, CA
    Daniel Barry
    Daniel
    Yicheng Li
    Yicheng
    Daniel Barry, Yicheng Li
  7. JUN
    -
    DOE-NNSA University Program Review College Station
    Deborah Penchoff
    Deborah
    Deborah Penchoff
  8. JUN
    -
    EPEXA F2F Meeting Roanoke, VA
    Aurelien Bouteiller
    Aurelien
    Thomas Herault
    Thomas
    Aurelien Bouteiller, Thomas Herault
  9. JUN
    -
    Data + AI Summit 2024 San Francisco, CA
    Deborah Penchoff
    Deborah
    Deborah Penchoff
  10. JUN
    -
    Deborah Penchoff
    Deborah
    Deborah Penchoff

Upcoming Conferences

  1. JUL
    -
    100K Clima, AAPRESID, INTA Montevideo, Buenos Aires, and Mendoza.
    Deborah Penchoff
    Deborah
    Deborah Penchoff

People

  1. Joseph Schuchart
    Joseph Schuchart will be joining Stony Brook University as a Senior Research Scientist. Joseph will continue to collaborate with ICL on the EPEXA project.

Dates to Remember

ICL Retreat Save the Date

Ijams Nature Center Entrance

The 2024 ICL Retreat is slated for August 14th at Ijams Nature Center. The format this year will be one-day of presentations with an evening dinner.

Around the Web

@TheSIAMNews

@theNASciences