Rocks 5.4.2 – Ganglia’s gmond Python module for monitoring NVIDIA GPU

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Disclaimer

The instructions/steps given below worked for me (and Michigan Technological University) running Rocks 5.4.2 (with CentOS 5.5) – as has been a common practice for several years now, a full version of Operating System was installed. These instructions may very well work for you (or your institution), on Rocks-like or other linux clusters. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.com, nor its author (or Michigan Technological University) is responsible for any/all damage – intellectual and/or otherwise.

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CUDA/C – Hello, World!

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Disclaimer

The instructions/steps/programs given below worked for me (and Michigan Technological University) running site licensed Red Hat Enterprise Linux 6.2, with NVIDIA CUDA SDK 4.1.28, NVIDIA GPU Driver v290.10 & two NVIDIA GeForce GTX 570 cards – as has been a common practice for several years now, a full version of Operating System was installed and all necessary patches/upgrades have been applied. These instructions may very well work for you (or your institution), on Red Hat-like or other linux distributions. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.com, nor its author (or Michigan Technological University) is responsible for any/all damage – intellectual and/or otherwise.

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RHEL 6.2 – Ganglia’s gmond Python module for monitoring NVIDIA GPU

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Disclaimer

The instructions/steps given below worked for me (and Michigan Technological University) running site licensed Red Hat Enterprise Linux 6.2 – as has been a common practice for several years now, a full version of Operating System was installed and all necessary patches/upgrades have been applied. These instructions may very well work for you (or your institution), on Red Hat-like or other linux distributions. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.com, nor its author (or Michigan Technological University) is responsible for any/all damage – intellectual and/or otherwise.

Continue reading … “RHEL 6.2 – Ganglia’s gmond Python module for monitoring NVIDIA GPU”

BASH – vasp2xyz, a script to extract coordinates from VASP

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Users of VASP are often familiar with the struggles/hardships to easily visualize the coordinates from the output file OUTCAR. To that effect, I wrote the following script … with help at a crucial stage from Pat Krogel, Center for Experimental Computation at Michigan Technological University. It requires the OUTCAR and POSCAR files from a VASP simulation to be in the same folder and when successfully completed, it generates in OUTPUT_FILENAME.xyz – containing frame-by-frame XYZ coordinate information corresponding to each (optimization) step.

The script is part of a GitHub repository.

BASH – Wrappers For qstat In NPACI ROCKS 5.2.2

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What is ROCKS?

Rocks Cluster Distribution (originally called NPACI Rocks) is a Linux distribution intended for high-performance computing clusters. It was started by NPACI and the SDSC in 2000, and was initially funded in part by an NSF grant (2000-2007) but is currently funded by the followup NSF grant. Rocks was initially based on the Red Hat Linux distribution, however modern versions of Rocks are now based on CentOS, with a modified Anaconda installer that simplifies mass installation onto many computers. Rocks includes many tools (such as MPI) which are not part of CentOS but are integral components that make a group of computers into a cluster. Installations can be customized with additional software packages at install-time by using special user-supplied CDs (called Roll CDs). The Rolls extend the system by integrating seamlessly and automatically into the management and packaging mechanisms used by base software, greatly simplifying installation and configuration of large numbers of computers. Over a dozen Rolls have been created, including the SGE roll, the Condor roll, the Lustre roll, the Java roll, and the ganglia roll.

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PHP – Computing Total Travel Distance From GPS Tracks

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Amongst other things, I like to keep a detailed track of where I have been [especially during hiking in the woods, venturing into areas that I have never been before, etc.]. For this purpose, I have configured my Garmin GPSMap 60CSx to record location/date-time data every three seconds and a while ago, I described another API I wrote to store these track points in MySQL. Added advantage of this, as I have mentioned before in previous posts, is that it can be used for geotagging my photographs. For completeness sake, the MySQL table structure that holds track data is given below:

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PHP – Calculating Distance Between Two Locations Given Their GPS Coordinates

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Amongst other things, I have the habit of geotagging my photographs and for this purpose, I use my Garmin GPSMap 60CSx, an API I wrote to store tracks in MySQL & Geonames data in a MySQL [please refer to this if you wish to do so as well]. For completeness sake, the MySQL table structure that holds Geonames data is given below:

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