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University of Southampton switches on one of the most powerful supercomputers in the UK

16.10.2013
The University of Southampton has flicked the on-switch for the most powerful university-based supercomputer in England and the third largest academic supercomputing facility in the UK. ‘Iridis4’ will also enter the top ten of the UK’s elite supercomputers.1

Dr Oz Parchment, Director of Research Computing at the University, comments: “Southampton is a leader in High Performance Computing (HPC) and Iridis4 allows us to take another leap forward to keep pace with the needs of our world-class researchers.

“There is an ever increasing demand for the use of supercomputing power for research and this new machine will provide the opportunity for even more academics to work on a greater number of projects, at faster speeds.”

In a deal worth £3.2 million, Southampton’s new supercomputer is powered by IBM® Intelligent Cluster solutions and designed, integrated and supported by HPC, data management, storage and analytics company OCF Plc. It is four times more powerful than its predecessor Iridis3 and has 12, 200 Intel® Xeon® E5-2670 processor cores, a petabyte (or one-million gigabytes) of disc space, with 50 terabytes of memory.

The new machine is one of very few in the UK to include to Intel® Xeon Phi™ coprocessors, which can take control of some of the most demanding mathematical calculations to significantly increase its processing power. The Intel® Xeon Phi™ coprocessors are each capable of running at one teraflop, (one trillion calculations per second).

Iridis4 will mainly be used for research by University staff and students across a wide variety of disciplines, from Engineering to Archaeology – Medicine to Computer Science. 2 It is estimated around 350 projects are likely to run on the machine in the first year.

University of Southampton Pro Vice-Chancellor, Professor Philip Nelson says, “Staying ahead of the game in High Performance Computing is vital to help the University stay competitive. Simulation and computation enabled by HPC are recognised globally as the ‘third pillar’ of modern research and this investment will ensure we remain world leaders in this field.”

Steve Legg, IBM's University Programs Manager in the UK, says: “The University of Southampton occupies an enviable place in the ranks of leading research-led universities across the world and the Iridis supercomputing facility is just one example of a long-term partnership with IBM across many areas of collaboration.

“The growth of Big Data and the availability of computing power like Iridis4 means that the range of research areas that are enabled by supercomputing continues to grow. We look forward to seeing its impact on the University's research, already recognised for the range and importance of the science conducted on the supercomputer's predecessor, Iridis3.”

The University of Southampton’s Iridis3, will remain in operation, providing an important resource for industrial research through the e-Infrastructure South Consortium. This group of research intensive universities; Southampton, Bristol, Oxford and University College London, operate a ‘Centre of Innovation for the Application of High Performance Computing’– set up in 2012 with £3.7 million from the Engineering and Physical Sciences Research Council (EPSRC) to upgrade Iridis3 and install resources at Rutherford Appleton Laboratories near Oxford.

Research case studies using Iridis
Aerofoil noise and turbulence - Professor Richard Sandberg is using high-performance computing to investigate sources of noise caused by aerofoils, such as in fan blades in aircraft engines, flaps on air frames and wind turbines. Typically, noise created at the trailing edge of an aerofoil has been measured by researchers with microphones, without providing much physical insight into the noise generation process itself. In this project, complex computer simulations are used to explore in detail the air flow over the blade as aerodynamic noise is generated by turbulence, the unsteady movement or flow of air. It aims to identify how noise is created and examine noise reduction measures. Accurately predicting turbulence is extremely difficult and requires enormous computational resource, such as is provided by the new Iridis4 supercomputer.

Coronary Artery Stent Design - As part of a long term collaboration between Professors Neil Bressloff (in Engineering) and Nick Curzen (in Medicine), PhD student Georgios Ragkousis is taking advantage of supercomputing power at the University of Southampton to conduct research, which will aid the design of new systems to deploy stents in patients with coronary artery disease. Stents are cylindrical mesh devices which keep open the walls of arteries, which have thickened due to the build-up of plaque (fatty deposits, cholesterol, calcium etc). This thickening effect reduces blood flow and the supply of oxygen to a patient’s heart – leading to health problems. Doctors are able to implant a stent by guiding a catheter through the blood vessels of a patient and then inflating a tiny balloon inside the artery to re-open its walls. Occasionally the stent doesn’t align properly to the artery wall (stent malapposition) and this can lead to complications. The team is using High Performance Computing to simulate the application of stents and assess the problem of stent malapposition with the aim of devising a new delivery system that can mitigate the problem.

Technology in use
a. IBM iDataPlex dx360 M4 nodes each with 2x Intel® Xeon® E5-2670 processors
b. IBM iDataPlex dx360 M4 nodes with dual Intel® Xeon® E5-2670 processors and dual Intel® Xeon Phi™ coprocessors
c. IBM System x3750 M4 (32 cores total) nodes featuring 256GB of Memory
d. Mellanox FDR-10 InfiniBand configured in a 'Fat-Tree' Core-Leaf topology
e. IBM GPFS Storage Server (Approx 1004TB raw)

Gavin Loader | Mantispr.co.uk
Further information:
http://www.southampton.ac.uk
http://www.youtube.com/watch?v=FN0gooz6C2k

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