The scientific computational work as portable workflows. Automatically locates the necessary input data and computational resources, and manages storage space for executing data-intensive workflows on storage-constrained resources. Learn more.


From failures at runtime (fault-tolerance). Task are automatically retried in the presence of errors. A rescue workflow containing a description of only the work that remains is provided. Provenance is also captured (data, software, parameters, etc.). Learn more.


Failures in computations using a set of system provided debugging tools and an online workflow monitoring dashboard. Learn more.

Highlights from the Blog

XENON1T observed the rarest decay process ever measured
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Congratulations to our collaborator XENON1T who just observed the rarest decay process ever measured! While this liquid xenon Time Projection Chamber is designed to search for dark matter, its ultra-low background allows the chamber to be sensitive to a large range of rare processes. One of these is the 2 … Read More

End-to-End Workflow Monitoring in Pegasus
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We will be holding regular online Pegasus Office Hours on Friday March 22nd at 11AM Pacific. For this series, we will have an overview presentation of the Monitoring Capabilities in Pegasus’ Panorama Research Branch. Topics include: Fine grained monitoring of jobs with Kickstart’s Online Monitoring Feature Using darshan statistics to … Read More

Pegasus 4.9.1 Released
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We are happy to announce the release of Pegasus 4.9.1 . Pegasus 4.9.1 is a minor bug fix release and includes a major change to how transfers are handled for containerized jobs. Pegasus 4.9.1 also includes support for Shifter. Until Pegasus 4.9.0 the transfers for the jobs were conducted on the host … Read More

Pegasus helped Ecology and Evolutionary Biology graduate student at the University of Arizona shed light on human population history
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Ariella Gladstein at the University of Arizona reconstructed the population history of Ashkenazi Jews, who are Jews historically from Central and Eastern Europe. The Ashkenazi Jews are often used in genetic studies due to their high rates of genetic disorders and complicated population history. However, until now, genetic studies have … Read More

Job Opening: 2 positions for Programmer Analyst II
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The SciTech group does research and development on software systems to help scientists manage large-scale computations. We work with scientists in domains ranging from genomics and proteomics to seismology and gravitational wave physics. We help scientists deploy their computations on some of the largest and fastest computing systems in the … Read More

Pegasus on the Open Science Grid
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We will be holding regular online Pegasus Office Hours this Friday October 12th at 11AM Pacific. For this series, we will have an overview presentation on Pegasus on the Open Science Grid. Topics include: How to run Pegasus workflows in the execution environment provided by OSG Connect. Using StashCache for … Read More

NSF OAC Webinar Series: Science Impact of Sustained Cyberinfrastructure: The Pegasus Example
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Dr. Deelman was invited to kick off the National Science Foundation (NSF) Office of Advanced Cyberinfrastructure (OAC) 2018 monthly webinar series.   OAC – CI Webinar Series Theme and Purpose: The 2018 webinar series will focus on the translational impact of Advanced Cyberinfrastructure and will highlight how cyberinfrastructure innovations have … Read More

Pegasus in the Sky with Data
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Pegasus and Ewa Deelman were recently featured in the USC Viterbi School of Engineering magazine. We hope you enjoy the story of Pegasus’ creation and successes as much as we do.