HPC series comparison
A comparison of the speed of the various cores in our clusters. Series100 (new): Intel Xeon Gold 6138, 2GHz Series600 (hex): AMD Opetron 6376, 2.3GHz Series400 (hal): Intel Xeon 5506, 2.1GHz SeriesGPU (new): Intel Xeon Gold …
GCC 7.2.0
We have added the latest Gnu C compiler suite, you can access this via module load compilers/gcc720.…
R package install: C++11 standard requested but CXX11 is not defined
We recently ran into an issue where an R package would not install as it required a more recent ISO C++ standard than provided by gcc. The workaround in this case was to edit the R makefile in lib64/R/etc and …
Leap Motion Orion Driver
The team at Leap Motion have released their new driver to power the current Leap Motion hand gesture devices. The driver is called Orion. The team have done an amazing job in providing the most low latent hand gesture controller…
forrtl: severe (174): SIGSEGV, segmentation fault occurred
Last week we experienced an issue with executing a particular application written in Fortran on the HPC cluster. Submitting a job which executes the application via the portable batch system caused the above error. However, executing the application on a…
Compiling the latest GCC version 5.3.0
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,…
Parallel Octave
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…
Octave
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 …
GPGPU 2015 Workshop
Computer Science will be hosting a General Purpose Graphics Processing Unit (GPGPU) programming workshop from the 20th-24th April 2015 in the Department of Computer Science at the University of Cape Town. This workshop is the third in a series of
…Python Anaconda
We have installed and configured two Anaconda Python environments
into the HEX cluster. The environment can be loaded running the
following command " module avail ". This will list all the modules
available for loading. Execute " module load python/anaconda-python-2.7…