@gtourassi

Director of the National Center for Computational Sciences @ORNL, home to the @OLCFgov.

 Knoxville, TN
ornl.gov/division/nccs
Joined January 2015
  • Tweets172
  • Following63
  • Followers151
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Georgia Tourassi retweeted
Oak Ridge Lab@ORNL19 Apr 2025
What used to take weeks now takes hours. What once seemed impossible is becoming reality. 🔬 Smarter labs 🧪 Reproducible results ⚙️ Autonomous discovery ORNL researchers aren’t just doing science faster, they’re redefining how it’s done. ⬇️ ornl.gov/labsofthefuture
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Georgia Tourassi retweeted
OLCF@OLCFGOV29 Aug 2024
📣 A study conducted by @ORNL scientists examines potential strategies to integrate #quantum #computing with the world’s most powerful #supercomputing systems in the pursuit of science. ➡️ bit.ly/3z1Vcon
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What an honor to represent @ORNL and @ENERGY at the National Artificial Intelligence Research Resource Pilot demonstration on the Hill hosted by @NSF with DOE, @NASA, and @NIH. This vision for national research infrastructure would bolster #AI innovation. bit.ly/3wM9Zm8
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Georgia Tourassi retweeted
Bronson Messer@thebron13 May 2024
Frontier at #1 for another @top500supercomp! But, you know, @OLCF has ANOTHER machine in the Top Ten: Summit at #9! Summit is STILL producing high-impact science via SummitPLUS and now via the NAIRR pilot! tinyurl.com/2bfswuzv @NSF @doescience
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.@ORNL is in Washington, D.C., this week for the AI Expo for National Competitiveness, hosted by @scsp_ai! Stop by Booth 213, May 7 & 8, for expert talks, demos, and the latest in #AI for science from @ENERGY's national labs. expo.scsp.ai/
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Georgia Tourassi retweeted
OLCF@OLCFGOV17 Apr 2024
A new automated data pipeline is helping scientists study terabytes of plant data at @ORNL’s advanced plant phenotyping laboratory, APPL. 🌱 olcf.ornl.gov/2024/04/15/new…
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Georgia Tourassi retweeted
OLCF@OLCFGOV4 Feb 2024
An ORNL team worked to scale codes for the CANDLE project on the Frontier testbed, Crusher, ensuring the success of deep learning codes for cancer research at exascale. #WorldCancerDay bit.ly/3SsLktv
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Georgia Tourassi retweeted
OLCF@OLCFGOV18 Dec 2023
The dawn of #exascale, marked by the debut of @ORNL's Frontier supercomputer, is a runner-up for @ScienceMagazine’s 2023 #BreakthroughOfTheYear! Read about Frontier, the other runners-up, and this year’s #BreakthroughOfTheYear, GLP-1 drugs, here ➡️ bit.ly/4724cVm
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Georgia Tourassi retweeted
Oak Ridge Lab@ORNL25 Nov 2023
Frontier is the fastest #supercomputer in the world, but reaching No. 1 was anything but quick. Follow the epic journey to the #exascale era ⤵️ ornl.gov/journeytofrontier
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Georgia Tourassi retweeted
OLCF@OLCFGOV16 Nov 2023
A planet-sized "Congratulations!" goes to the team behind the Energy Exascale Earth System Model. The team's Simple Cloud Resolving E3SM Atmosphere Model won the Association for Computing Machinery's 2023 Gordon Bell Special Prize for Climate today. olcf.ornl.gov/2023/11/16/clo…
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Georgia Tourassi retweeted
OLCF@OLCFGOV16 Nov 2023
A quintillion congrats to the team of scientists that won the ACMs 2023 Gordon Bell Prize today. The @UM_MICDE led team used Frontier, the world’s first exascale supercomputer, to simulate a system of nearly 75,000 magnesium atoms at near-quantum accuracy. olcf.ornl.gov/2023/11/16/fro…
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Georgia Tourassi retweeted
OLCF@OLCFGOV24 Oct 2023
Frontier is one of @TIME's "Best Inventions of 2023!" The @HPE Cray EX #exascale system at @ORNL is capable of over a quintillion calculations per second and will be used for everything from studying black holes to climate modeling and drug discovery. time.com/collection/best-inv…

Hewlett Packard Enterprise Frontier Supercomputer: The 200 Best Inventions of 2023

Find out why Hewlett Packard Enterprise Frontier Supercomputer made this year's list

time.com
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Georgia Tourassi retweeted
OLCF@OLCFGOV23 Oct 2023
SummitPLUS applications are open! Computationally ready projects, including previous INCITE, ALCC, DD, and ECP projects, are invited to apply for a 2024 allocation on Summit. Deadline Oct. 30, 2023. For program and application details, visit olcf.ornl.gov/summit-plus/.
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Georgia Tourassi retweeted
OLCF@OLCFGOV18 Oct 2023
Happy #ExascaleDay! Exascale computing enables a new level of scientific discovery and problem solving. Follow along today as we celebrate the exascale era! #DiscoverFrontier exascaleday.ornl.gov/
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Georgia Tourassi retweeted
Oak Ridge Lab@ORNL18 Oct 2023
Happy #ExascaleDay! ORNL made history last year with the launch of Frontier, the world's first #exascale #supercomputer. #DiscoverFrontier and learn more about the exascale era ➡️ exascaleday.ornl.gov
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Georgia Tourassi retweeted
OLCF@OLCFGOV4 Oct 2023
If you’re interested in starting a career in computing, check out the NCCS Virtual Career Fair to learn about exciting opportunities at @ORNL! Registration is open until October 26. olcf.ornl.gov/calendar/virtu…
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Summit is near and dear to my ♥ for many reasons. Can't wait to see the cool projects that will run on @OLCFGOV's #Summit in 2024! #HPC #AI P. S. Applications close Oct 30! 👀
HPCwire
@HPCwire2 Oct 2023
Oak Ridge Leadership Computing Facility Announces SummitPLUS Program ow.ly/UC7750PS4Ce @OLCFGOV @ORNL #HPC #TCIwire

Oak Ridge Leadership Computing Facility Announces SummitPLUS Program - HPCwire

Oct. 2, 2023 — Five years after its debut as the fastest supercomputer in the world, Summit remains a powerful and reliable instrument for scientific discoveries in artificial intelligence, energy,...

hpcwire.com
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Georgia Tourassi retweeted
OLCF@OLCFGOV29 Sep 2023
SummitPLUS applications are open! Computationally ready projects, including previous INCITE, ALCC, DD, and ECP projects, are invited to apply for a 2024 allocation on Summit. Deadline Oct. 30, 2023. For program and application details, visit olcf.ornl.gov/summit-plus/.
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Congratulations for this well deserved recognition!
OLCF@OLCFGOV27 Sep 2023
NCCS Systems Acceptance and User Environment group leader Verónica Melesse Vergara was recognized as part of @knoxnews 40 Under 40 class of 2023! Congratulations! Check out the full 2023 class ⬇️ knoxnews.com/story/money/bus…

40 Under 40 class revealed! Meet Knoxville's top young professionals of 2023

See if someone you know made the list!

knoxnews.com
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Georgia Tourassi retweeted
OLCF@OLCFGOV25 Sep 2023
No widely available, open-source software has existed for testing lower-precision performance at extreme scale on GPU-accelerated supercomputers — until now. ORNL researchers have released a new cross-platform benchmarking software package called OpenMxP. olcf.ornl.gov/2023/09/22/orn…

ORNL Researchers Develop Open-Source Mixed-Precision Benchmark Tool

As Frontier, the world’s first exascale supercomputer, was being assembled at the Oak Ridge Leadership Computing Facility in 2021, understanding its performance on mixed-precision calculations...

olcf.ornl.gov
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