Skip to main content

Technology261

OLCF technology articles.

Technology

Genomics Code Exceeds Exaops on Summit Supercomputer

Researchers at the US Department of Energy’s Oak Ridge National Laboratory broke the exascale barrier, achieving a peak throughput of 1.88 exaops—faster than any previously reported science application—while analyzing genomic data on the recently launched Summit supercomputer. The ORNL team achieved the feat, the equivalent to carrying out nearly 2…
Jonathan Hines
June 8, 2018
ADIOS and BDE researchers have incorporated a new methodology into the integrated tool that allows users to compress and stream data in real time. The new approach leverages software-defining network capabilities, allowing users to control network resources rather than manually requesting to connect.Technology

ADIOS and BigData Express Offer New Data Streaming Capabilities

ADIOS and BDE researchers have incorporated a new methodology into the integrated tool that allows users to compress and stream data in real time. The new approach leverages software-defining network capabilities, allowing users to control network resources rather than manually requesting to connect. Projects large enough to run on high-performance…
Rachel McDowell
May 29, 2018
Technology

New Discoveries Within ‘SIGHT’

SIGHT visualization from a project led by University of Virginia’s Leonid Zhigilei to explore how lasers transform metal surface. At the home of America’s most powerful supercomputer, the Oak Ridge Leadership Computing Facility (OLCF), researchers often simulate millions or billions of dynamic atoms to study complex problems in science and…
Katie Elyce Jones
February 7, 2018
Technology

OLCF Launches New Website

The Oak Ridge Leadership Computing Facility’s (OLCF’s) website serves not only as the home for news on scientific discovery occurring at the supercomputing center but also as a gateway for system users to access information critical to the success of their projects. This month, the OLCF, a US Department of…
Josh Cunningham
February 7, 2018
Technology

Optimizing Miniapps for Better Portability

Minisweep performs a “sweep” computation across a grid (pictured)—representative of a 3D volume in space—to calculate the positions, energies, and flows of neutrons in a nuclear reactor. The yellow cube marks the beginning location of the sweep. The green cubes are dependent upon information from the yellow cube, the blue…
Rachel McDowell
January 17, 2018
Technology

OLCF Testing New Platform for Scientific Workflows

OpenShift is an open source container application platform by Red Hat based on top of Docker containers and the Kubernetes container cluster manager for enterprise app development and deployment. Scientific progress increasingly is driven by data—along with the instruments that produce it, the networks that move it, the systems that…
Jonathan Hines
June 5, 2017
Technology

OLCF Explores Deep Learning with DGX-1

The Oak Ridge Leadership Computing Facility (OLCF) recently deployed a new NVIDIA DGX‑1 artificial intelligence supercomputer era offer scientists and researchers opportunities to delve into deep learning technologies with more vigor than ever before. Deep learning uses neural networks to classify data or predict outcomes by training models on large data…
Rachel McDowell
June 5, 2017
Technology

Containers Provide Access to Deep Learning Frameworks

Adam Simpson (front) and Matt Belhorn (back), high-performance computing user support specialists at the OLCF, use the Singularity application to develop containers that will allow newer systems to run deep learning packages. Deep learning is emerging as a powerful branch of machine learning that uses artificial neural networks to help…
Rachel McDowell
May 9, 2017
Technology

Chemistry Applications Get in Top Shape for Summit

OLCF computational scientist Dmitry Liakh, left, and performance analyst Frank Winkler display a visual analysis of the improved runtime performance of a numerical tensor algebra library that can be used by chemistry applications on Summit, the OLCF’s next leadership computing system. Preparing for a new supercomputer at the Oak Ridge…
Katie Elyce Jones
April 18, 2017
Technology

Test System Arms OLCF with Experimental Technology

The Oak Ridge Leadership Computing Facility (OLCF) is now equipped with ARM1, a new test bed for the ARM architecture and its power-efficient processors. As an early development system, ARM1 gives researchers the opportunity to test various software packages and explore an experimental environment for ARM architecture–based systems. Because ARM…
Rachel McDowell
April 18, 2017
Technology

Multitasking Framework Accelerates Scientific Discovery

A visualization of the active site of the enzyme dihydrofolate reductase. OLCF staff worked with ORNL computational scientist Pratul Agarwal to integrate functional partitioning into his AMBER code, which he uses to sample rare conformations of proteins and enzymes. With FP, Agarwal can configure AMBER to analyze conformations on available…
Jonathan Hines
March 28, 2017
Technology

Ascending to Summit: Announcing Summitdev

Since having partnered with IBM, NVIDIA, and Mellanox in 2014, the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) has been forging the path to its next big supercomputer, Summit, which will feature an IBM POWER9 architecture and NVIDIA Volta GPUs. Scheduled to enter full production in 2019, Summit will allow researchers to dive…
Rachel McDowell
February 28, 2017
BigNeuronTechnology

ORNL Resources Help BigNeuron Tackle Grand Challenges

In November 2015, BigNeuron researchers gathered at ORNL for a hackathon to scale up their algorithms and port data to the Titan supercomputer. This year data generated from the project is being transferred to CADES for public access. Like energetic children, computational scientists need large spaces to play. This play…
Jonathan Hines
January 31, 2017
Technology

Longtime User Requests Added to Next Version of OpenACC

The Oak Ridge Leadership Computing Facility (OLCF) has helped lead many developments in parallel programming during the operation of its 27-petaflop Titan supercomputer, the first of its magnitude to use GPU accelerators for scientific computing. The OLCF is a US Department of Energy (DOE) Office of Science User Facility located…
Katie Elyce Jones
January 31, 2017
OpenSFS boardTechnology

OLCF Active in New User-Oriented OpenSFS

File and Storage System Team Lead Sarp Oral (second from left) poses with other OpenSFS officers (left to right) Shawn Hall of BP, Stephen Simms of Indiana University, Rick Wagner of Globus, and Stephen Monk of Sandia National Laboratories. As a longtime Lustre user, the Oak Ridge Leadership Computing Facility…
Jonathan Hines
January 4, 2017
Technology

ORNL–Oracle Collaboration Offers Data Safeguard

ORNL recently partnered with Oracle to test some of the database technology company’s new firmware. Pictured here: Quinn Mitchell, high-performance computing storage system administrator at the OLCF, with the OLCF’s tape libraries. Image Credit: Rachel McDowell, ORNL The US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) recently partnered with Oracle to test some…
Rachel McDowell
January 4, 2017
Technology

CAAR Team Members Test Compilers for Summit at IBM Hackathon

Former OLCF Postdoctoral Researcher and current NVIDIA Solutions Architect Tom Papatheodore (left) and OLCF Tools Developer Oscar Hernandez (right) attended an IBM hackathon for OpenMP 4.5 with Lixiang Luo (center), an IBM research staff member at the IBM/NVIDIA Center of Excellence at ORNL, to test compilers for Summit, the OLCF’s…
Rachel McDowell
December 7, 2016