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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
Technology

Retrofitting Rhea

Prompted by the annual user survey, OLCF’s Rhea received an upgrade this fall. In two phases, OLCF staff doubled Rhea’s amount of RAM per node and added GPU nodes.
Miki Nolin
October 13, 2015
Technology

OLCF Upgrades System to CUDA 6.5

The OLCF's recent CUDA upgrade fosters unified memory function that improves memory management between the CPUs and GPUs and also provides the benefit of globally shared data. The upgrade is a true win–win for the OLCF and its users.
Jeff Gary
July 29, 2015
Technology

Seeing Is Believing

When the Oak Ridge Leadership Computing Facility upgraded its Jaguar supercomputer to the Cray XK7 CPU/GPU hybrid system known as Titan, the center knew that upgrades to its data analysis and visualization resources were necessary to complement Titan’s more than 20 petaflops of computing power.
Scott Jones
March 18, 2014
Technology

The Need for Speed

With its hybrid architecture featuring traditional CPUs alongside GPUs, Titan represents a revolutionary paradigm in high-performance computing’s quest to reach the exascale with only marginal increases in power consumption for the world’s leading systems.
Scott Jones
January 2, 2014
Technology

Titan Completes Acceptance Testing

Oak Ridge National Laboratory’s Titan supercomputer has completed rigorous acceptance testing to ensure the functionality, performance and stability of the machine, one of the world’s most powerful supercomputing systems for open science.
Leo Williams
June 12, 2013