Tag Archives: high-performance computing

Illustris: Creating A Virtual Universe

Posted on May 8, 2014 by astrocompute

Illustris a bold collaborative project that is producing a cosmological simulation of galaxy formation, using a state of the art numerical code and a comprehensive physical model. It is an outstanding example of how advances in computing power enable groundbreaking … Continue reading →

Posted in astroinformatics, Astronomy, astronomy surveys, Black Holes, computer modeling, computer videos, Computing, computing videos, cosmology, cyberinfrastructure, galaxies, galaxy formation, Grid Computing, High performance computing, informatics, information sharing, Parallelization, programming, Scientific computing, social networking, software engineering | Tagged , , , , , , , , , , , | Leave a comment

What makes computational open source software libraries successful?

Posted on April 30, 2014 by astrocompute

This is the title of a paper by Wolfgang Bangerth and Timo Heister, which appeared in Computational Science and Discovery, 6 (2013)  (you may need an account with IOP to download it).  They are mathematicians with many years experience in … Continue reading →

Posted in astroinformatics, Computing, cyberinfrastructure, High performance computing, informatics, information sharing, Licenses, programming, Scientific computing, software engineering, software maintenance, software sustainability, Web 2.0 | Tagged , , , , , , , , | Leave a comment

The Theoretical Astrophysical Observatory: Cloud-Based Mock Galaxy Catalogues

Posted on April 4, 2014 by astrocompute

Bernyk et al. (2014) (MNRAS 2014 on press; astro-ph preprint here) have described a much needed on-line service that I am sure many astronomers will welcome, the Theoretical Astrophysical Observatory (TAO), described as an “on-line an online virtual laboratory that houses … Continue reading →

Posted in astroinformatics, Astronomy, astronomy surveys, computer modeling, Computing, cosmology, cyberinfrastructure, data archives, Data Management, galaxies, galaxy formation, Grid Computing, High performance computing, informatics, information sharing, Parallelization, programming, Scientific computing, software engineering, software maintenance, software sustainability, Virtual Observatory | Tagged , , , , , , , , , , , , , , | Leave a comment

High Resolution Simulations of A Key Type-IA Supernova Phase

Posted on March 31, 2014 by astrocompute

Another interesting article that I found on the International Science Grid This Week (isgtw) is “Astrophysics team simulates key supernova phase at unprecedented resolution,” in which a research team simulated a turbulent flame is a Type IA supernova outburst at … Continue reading →

Posted in Astronomy, Blue Waters, computer modeling, Computing, cyberinfrastructure, High performance computing, information sharing, Parallelization, programming, Scientific computing, software engineering, supernovae | Tagged , , , , , , , , | Leave a comment

Cosmology, Computers and the VisIVO package.

Posted on March 23, 2014 by astrocompute

We all know how massively parallel programming is assuming ever greater importance in astronomy. This week, I  describe the Visual Interface for the Virtual Observatory (VisIVO) package and describe how it was used to visualize the results of a cosmological … Continue reading →

Posted in astroinformatics, Astronomy, computer modeling, computer videos, Computing, computing videos, cosmology, cyberinfrastructure, galaxies, Grid Computing, High performance computing, informatics, information sharing, Parallelization, programming, Scientific computing, software engineering, software maintenance, Virtual Observatory, visualization | Tagged , , , , , , , , , , , , , | Leave a comment

Creating A Galactic Plane Atlas With Amazon Web Services

Posted on February 13, 2014 by astrocompute

Creating A Galactic Plane Atlas With Amazon Web Services This post is based on a paper by G. Bruce Berriman, Ewa Deelman, John Good, Gideon Juve, Jamie Kinney, Ann Merrihew, and Mats Rynge. It was submitted to an IEEE Special … Continue reading →

Posted in archives, astroinformatics, Astronomy, astronomy surveys, Cloud computing, Computing, cyberinfrastructure, data archives, databases, High performance computing, image mosaics, informatics, information sharing, Montage, Parallelization, Scientific computing, social networking, software engineering, software maintenance, software sustainability | Tagged , , , , , , , , , , , , , , | 1 Comment

Astrophysics Code Sharing II: The Sequel at AAS 223

Posted on January 24, 2014 by astrocompute

This blogpost was prepared by Alice Allen (Editor, Astronomy Source Code Library) and posted on the ASCL blog. I wish to thank Alice for permission to reproduce her post here. On Tuesday, January 7, the AAS Working Group on Astronomical … Continue reading →

Posted in astroinformatics, Astronomy, Computing, cyberinfrastructure, High performance computing, informatics, information sharing, Montage, Open Access, programming, Scientific computing, social networking, software engineering, software maintenance, software sustainability | Tagged , , , , , , , , , , , , , | Leave a comment

Licensing Your Code: GPL, BSD and Edvard Munch’s “The Scream”

Posted on January 17, 2014 by astrocompute

I have for some time considered changing to a more permissive license (with Caltech’s approval) for the Montage image mosaic engine, as the the current license forbids modification and redistribution of the code. My first attempt at navigating the many … Continue reading →

Posted in astroinformatics, Astronomy, BSD, Computing, cyberinfrastructure, GPL, High performance computing, informatics, information sharing, Licenses, Montage, Parallelization, programming, Python, R, Scientific computing, software engineering, software maintenance, software sustainability, user communities | Tagged , , , , , , , , , , , , , , | 6 Comments

Amazon Web Services and the Square Kilometer Array

Posted on January 13, 2014 by astrocompute

This week,  I report on what I think is a creative way to use cloud computing to support the development and preconstruction of the Square Kilometer Array (SKA). The work is reported as an Amazon Web Services case study. The … Continue reading →

Posted in astroinformatics, Astronomy, astronomy surveys, Cloud computing, computer modeling, Computing, Crowsdsourciong, cyberinfrastructure, data archives, Data Management, databases, galaxies, galaxy formation, High performance computing, informatics, information sharing, Observatories, Operations, Parallelization, programming, Scientific computing, SKA, software engineering, software maintenance, software sustainability, user communities | Tagged , , , , , , , , , , , , , , | 1 Comment

Astroinformatics 2013 – The Denouement

Posted on December 18, 2013 by astrocompute

The  Astroinformatics 2013 meeting, hosted  by CSIRO, is now over. This successful conference discussed advances in data processing, manipulation and management – crucial topics in modern astronomy. The agenda is here, along with a nearly complete list of  presentations, and … Continue reading →

Posted in ASKAP, astroinformatics, Astronomy, computer videos, computing videos, cyberinfrastructure, data archives, Data Management, Data mining, High performance computing, informatics, information sharing, Journals, knowledge based discovery, Machine learning, On-line Journals, Open Access, Parallelization, programming, Scientific computing, SKA, social media, social networking, software engineering, software maintenance, software sustainability, Virtual Observatory, visualization, Web 2.0 | Tagged , , , , , , , , , , , , , , , , , , , | Leave a comment