Dedicated to hardware topics.

Space shuttle

Accelerate your work

Posted on 28 September 2017 by Thomas Green

The use of multi-processing is now becoming the “norm” with multiple cores now available in many consumer PCs and laptops. It is now much easier to start experimenting with speeding up your code at your desk and then transition to a larger resource such as Cardiff University’s supercomputer Raven. However, as expected, some jobs the
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United nations assembly.

Research seminar – Accelerating computing

Posted on 2 July 2015 by Thomas Green

Using accelerators such as GPUs and Intel Phi technologies are becoming a popular method to extend the performance of certains codes. ARCCA is holding a research seminar which covers this topic. All are welcome to attend, even if you are not planning to use the technologies its is great to see the cutting-edge research Cardiff
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Making a network work

Posted on 19 March 2015 by Thomas Green

We recently installed new nodes into our supercomputer. As part of the process we have to run tests to assess the new nodes. Since this was an extension to the existing infrastructure there were limits on how many high-speed links (or Infiniband (IB) connections) could be wired in, and the use for the nodes would
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A chiller in the air.

The December chill is warming up

Posted on 11 December 2014 by Thomas Green

We are now halfway through the planned works on the datacentre and on the whole everything is currently going as planned.  Thankfully the weather has been fairly good to work outside and the main event being the new chillers were delivered over the weekend of the 6th/7th.  All talks of “weather bombs” or more technically
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Temporary cooling

The December chill

Posted on 3 December 2014 by Thomas Green

For users of ARCCA services, December is an important month due to our datacentre having been mostly shutdown whilst work is performed on the cooling infrastructure and other internal changes. This has required a disruption in our services but in the long-term provide a more resilient cooling infrastructure and space to house more hardware. Reasons
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