Websites can be very useful for HPC to allow easier access. Recently we had an issue with a website we use and learned a few things on the way. Know […]
Modules are used on many supercomputers since it allows multiple versions of software to be easily chosen to be loaded into a users environment. We would now like to show […]
Limits on runtimes Running jobs on a supercomputer can sometimes involve letting the job run for a long time. A long time in this instance is longer than the default […]
The next ARCCA drop in session at the Queen's buildings will be occuring this Thursday, the 28th April at 2pm in the Trevithick library room 1.15. This is up the […]
This Thursday (the 25th February), ARCCA will be holding a drop-in session in the Trevithick library room 1.15, from 2pm to 3.30pm. These drop-in sessions are an opportunity for the […]
How would you like a tool that would allow you to: A Rose workflow in progress. Write and maintain workflows more efficient and sophisticated than an existing job submission script. […]
It has been a long summer and it is time again to create a little post for a recent encounter on our supercomputer. Errors in Perl Perl is a common […]
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 […]
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 […]
Just like an iceberg, floating point numbers can have hidden danger lurking just under the surface. A recent email through a mailing list reminded me about the subtlties of handling […]
