application Archives - Page 2 of 7

Compiling the latest GCC version 5.3.0

Jan 14, 2016

Previously on our blog we described how to install the GNU C compiler. Since then GNU have updated their installation instructions which makes things much easier: “The difficult way, which is not recommended, is to download the sources for GMP,…

Jan 2016 UCT HPC maintenance

Jan 13, 2016

application, MPI, operating system

What follows is a critical report on the cluster upgrade. Our plan was to upgrade the cluster operating systems on all servers and to bring the FHGFS file system up to the latest supported release, BGFS. Additionally we planned to…

Parallel Octave

Sep 15, 2015

application, hpc, programming

We’ve tested the parallel package for Octave and it seems to work fairly well. To install this in your local folder run Octave and type: pkg install -verbose -local -forge struct pkg install -verbose -local -forge parallel pkg list Package…

Docker and the UCT eResearch HPC

Sep 6, 2015

application, docker, hpc, operating system

“Build, Ship, and Run Any App, Anywhere” is a bold statement to make but it sure does live up to it. For the past few weeks the team has been working on incorporating Docker into the UCT eResearch HPC Cluster…

Octave

Sep 4, 2015

application, hpc, programming

We have installed GNU Octave on our clusters. From their website: “GNU Octave is a high-level interpreted language, primarily intended for numerical computations. It provides capabilities for the numerical solution of linear and nonlinear problems, and for performing other numerical …

Core reservation in PBS

Sep 2, 2015

application, hpc, Memory, torque

Researchers who bother to read the Acceptable Usage Policy may have noticed there is a clause which states: Users must abide by the ratio of 2GB of RAM (memory) per allocated core. Usage of the pmem directive should also be…

CASA

Jul 18, 2014

application, hpc

We recently installed CASA, Common Astronomy Software Applications package which supports the data post-processing needs of the next generation of radio astronomical telescopes such as ALMA and VLA. It has a command line iPython interface and the ability to export…

Changes

Jun 6, 2014

application, hardware, hpc, operating system

Our users may have noticed that the hpc cluster dashboard is reflecting some infrastructure changes. Please note that this post refers to the older hpc cluster, not hex. The 200 series are going to be decommissioned soon, and this is…

Computational hours and MPI issues

Apr 30, 2014

application, hpc, MPI

Our clusters are currently computing more active hours that were processed in the first two years in total. Today we exceeded 300,000 CPU hours of work, that's more than 34 computational years being processed currently. cumulative

There are several MPI…

Quantum Espresso

Apr 14, 2014

application, hpc

For the chemistry users out there, we've installed Quantum Espresso, an integrated suite of Open-Source computer codes for electronic-structure calculations and materials modeling at the nanoscale. It is based on density-functional theory, plane waves, and pseudopotentials.

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application

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