Apocrita says "Hello, world!": basic use of our cluster

Posted on Wed 12 February 2020 in tutorial by Iain Barrass

A common first program to write in a new language is a "Hello world" example where we print a simple line of output. In this tutorial we look at how to say a greeting on Apocrita, using six different languages. We'll see how to use modules, compile and run programs, or use an interpreter to run a script.


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Productivity tips for Apocrita cluster users

Posted on Wed 23 October 2019 in tutorial by Simon Butcher

This article presents a selection of useful tips for running successful and well-performing jobs on the QMUL Apocrita cluster.


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Running Machine Learning workloads on Apocrita

Posted on Fri 22 March 2019 in tutorial by Simon Butcher

In this tutorial we'll be showing you how to run a TensorFlow job using the GPU nodes on the Apocrita HPC cluster. We will expand upon the essentials provided on the QMUL HPC docs site, and provide more explanation of the process. We'll start with installation, and run through some …


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Sizing your Apocrita jobs for quicker results

Posted on Mon 28 January 2019 in tutorial by Simon Butcher

At any one time, a typical HPC cluster is usually full. This is not such a bad thing, since it means the substantial investment is working hard for the money, rather than sitting idle. A less ideal situation is having to wait too long to get your research results. However …


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