The Association of South African University Directors of Information Technology (ASAUDIT) invites practitioners, researchers, and educators from diverse disciplines to participate in eResearch Africa Conference 2013. Conference participants can opt to present workshops, presentations or posters. For details on
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GPGPU course
Last
week Andrew Lewis attended an honours course in GPGPU programming. The
course was hosted and organised by UCT's computer science department and funded by the SKA.
We were very privileged to have as our lecturers John Stone who
…A century of work
Today the sum total of work computed on our clusters since we started in 2010 surpassed 100 years. That's the equivalent of a fairly powerful processor working flat out for a century. While we've accumulated quite a large number of…
Spawning obscure pythons
One of our users has been having difficulty migrating his code to our new cluster. We'd installed a newer version of python (2.7.3) and it would appear that in conjunction with mpi4py and OpenMPI the --mca run time tuning and
…Array Jobs
Recently we had been given a challenge by a student who needed to analyze thousands of input files with an application but found it cumbersome to submit each input file individually.
We started looking at a "for loop" to run…
We started looking at a "for loop" to run…
Want to be kept informed about your HPC job ?
The following PBS directives can be included in the job submission script.
#PBS -m abe
#PBS -M emailaddy{at@}domain.co.za
The " -m abe " alerts you for abort, begin and end for your job.
If you prefer to only be…
Playing fair
In anticipation of more users being added to the Hex cluster we have modified the scheduling rules. Previously there was an open policy:
USERCFG[DEFAULT] MAXJOB=180
USERCFG[DEFAULT] MAXPROC=180
USERCFG[DEFAULT] MAXNODE=180
This effectively allowed users to consume 66% of the cluster at
…Baryon Acoustic Oscillations and the Copernican Principle
The Copernican Principle states that the Earth holds no special place in the universe and that our observation of the universe is similar to that seen from any other position.
One of our research groups recently published a paper in
…Africa-Arabia ROC All-Hands Meeting – Pretoria / March 2013
This past week the UCT-ICTS-HPC team attended the Africa-Arabia ROC
All-Hands meeting in Pretoria. The meeting brings about site
administrators from around the country to discuss the robustness of the
regional operations centre, increasing the suite of user applications
and…