GTC18 Research Highlight: Programming a Hybrid CPU-GPU Cluster Using Unicorn

March 27, 2018

Unicorn is a parallel programming framework that provides a simple way to program multi-node clusters with CPUs and GPUs, and potentially other compute devices. Read more…

By Subodh Kumar, IIT Delhi

SC17: Legion Seeks to Elevate HPC Programming

November 9, 2017

As modern HPC architectures become ever more complex, so too does the task of programming these machines. In the quest for the trifecta of better performance, portability and programmability, new HPC programming systems are being developed. The Legion programming system, a data-centric parallel programming system for writing portable high performance programs, is one such effort. Read more…

By Tiffany Trader

Optimizing Codes for Heterogeneous HPC Clusters Using OpenACC

July 3, 2017

Looking at the Top500 and Green500 ranks, one clearly realizes that most HPC systems are heterogeneous architecture using COTS (Commercial Off-The-Shelf) hardware, combining traditional multi-core CPUs with massively parallel accelerators, such as GPUs and MICs. With processor frequencies now hitting a solid wall, the only truly open avenue for riding today the Moore’s law is increasing hardware parallelism in several different ways: more computing nodes, more processors in each node, more cores within each processor, and longer vector instructions in each core. Read more…

By Enrico Calore et. al.

PGAS Use will Rise on New H/W Trends, Says Reinders

May 25, 2017

If you have not already tried using PGAS, it is time to consider adding PGAS to the programming techniques you know. Partitioned Global Array Space, commonly kn Read more…

By James Reinders

SC16 Preview: Modernizing, Modularizing Fortran Codes

November 9, 2016

The programming language Fortran has been in existence since 1957, and a large percentage of software that runs on HPC systems worldwide is written, at least in part, in Fortran. Since it has been in existence for so long, and so many scientists and engineers learned it early in their careers and have utilized it extensively, much of this code is not up to modern standards of software development. Read more…

By Mark Potts

EU Projects Unite on Heterogeneous ARM-based Exascale Prototype

February 24, 2016

A trio of partner projects based in Europe – Exanest, Exanode and Ecoscale – are working in close collaboration to develop the building blocks for an exasca Read more…

By Tiffany Trader

OpenACC Reviews Latest Developments and Future Plans

November 11, 2015

This week during the lead up to SC15 the OpenACC standards group announced several new developments including the release and ratification of the 2.5 version of Read more…

By Tiffany Trader

Four Challenges Facing Exascale Application Prep

June 22, 2015

Worry over readying HPC applications for exascale computing isn’t new and various efforts are underway. Whether they are sufficient is a matter of debate. A m Read more…

By John Russell

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