News

Drop-in Session Summary

Posted on 29 February 2016 by Andrew Williams

Many thanks to all the attendees who made last Thursday’s drop-in session at the Queen’s Buildings such an interesting discussion. After some initial battles with a VGA cable I was able to give a quick presentation about Rose, our workflow manager, prompting a good deal of interest and some penetrating questions. This was followed up
Read more


Waving hello to gravity

Posted on 22 February 2016 by Thomas Green

The recent announcement, see BBC article, by LIGO (Laser Interferometer Gravitational-Wave Observatory) of the observation of gravitational waves by their detectors in September 2015 has been described as one of the biggest scientific discoveries in years. LIGO involves a consortium of scientists from around the world, including the group of researchers at Cardiff University. This
Read more


Rose and Managing Workflows

Posted on 9 December 2015 by Andrew Williams

How would you like a tool that would allow you to: Write and maintain workflows more efficient and sophisticated than an existing job submission script. Create dependency trees of tasks that will run at the click of a button, with automatic optimisation so that multiple tasks may be run in parallel. Revision control your tasks
Read more


Rating value

Summarising job performance

Posted on 13 August 2015 by Thomas Green

Recently we have implements an automatic job summary which is printed at the end of a user’s job that run on our supercomputer at Cardiff University. These job summaries are to help the user understand what impact the job has had and how to improve future jobs – just like energy efficiency ratings. This post
Read more


Terminal to Raven.

The December spring…

Posted on 19 December 2014 by Thomas Green

UPDATE – 20/12/2014 – Work still progressing on Raven and access will be given over the weekend of the 20th/21st with full service restored on Monday 22nd December. Since the last blog post on the datacentre we have a number of items to report to “spring” us back into action. Work in the datacentre The
Read more


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
Read more


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
Read more