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

Joined January 2015
34 Photos and videos
Georgia Tourassi retweeted
19 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
7
15
1,420
Georgia Tourassi retweeted
29 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
7
11
1,451
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
1
84
Georgia Tourassi retweeted
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
1
9
35
1,406
Georgia Tourassi retweeted
.@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/
1
3
214
Georgia Tourassi retweeted
17 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…

3
5
305
Georgia Tourassi retweeted
4 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
3
5
488
Georgia Tourassi retweeted
18 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
4
18
1,536
Georgia Tourassi retweeted
25 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
5
27
82
13,268
Georgia Tourassi retweeted
16 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…
7
16
5,613
Georgia Tourassi retweeted
16 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…
8
22
9,832
Georgia Tourassi retweeted
24 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…
1
12
21
1,831
Georgia Tourassi retweeted
23 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/.

2
1
870
Georgia Tourassi retweeted
18 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/
4
14
960
Georgia Tourassi retweeted
18 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
1
10
32
17,876
Georgia Tourassi retweeted
4 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…
4
3
1,278
Georgia Tourassi retweeted
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! 👀
2 Oct 2023
Oak Ridge Leadership Computing Facility Announces SummitPLUS Program ow.ly/UC7750PS4Ce @OLCFGOV @ORNL #HPC #TCIwire
4
9
639
Georgia Tourassi retweeted
29 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/.

6
8
2,299
Congratulations for this well deserved recognition!
27 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…
2
61
Georgia Tourassi retweeted
25 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…
7
12
2,117