Pegasus Workflow Management System

An international team of astronomers, using a neural network trained on millions of synthetic black hole simulations and data from the Event Horizon Telescope, has uncovered new insights—including that the Milky Way’s central black hole is spinning ... [More] near its maximum speed—thanks to advanced computational support from the University of Southern … Read More [Less]

We are happy to announce the release of Pegasus 5.1.1. It is a minor release on top of Pegasus 5.1.0 which is a major release of Pegasus. It also includes all features and bug fixes from the 5.0 branch. We invite our users to give it a try. We recommend … Read More

The forthcoming Pegasus 5.1.0 release introduces significant updates to container support, further streamlining workflow execution and enhancing compatibility with container technologies. Pegasus has long supported containerization tools like Docker ... [More] and Apptainer (formerly Singularity), enabling users to encapsulate their software environments for consistent and portable workflow execution. A substantial portion of … Read More [Less]

  On April 2nd-3rd, 2025, NAIRR Pilot hosted a two-day workshop called AI Unlocked: Empowering Higher Ed through Research and Discovery bringing together researchers from various domains, students, high performance computing experts, representatives ... [More] from major AI cloud providers such as AWS, Google etc to to connect U.S. based higher education … Read More [Less]

  ISI research news has published an article about use of Pegasus for mapping Volcano flows. When a volcano erupts, the danger doesn’t just come from the blast. Rivers of lava carve through the landscape, swallowing roads and homes, while pyroclastic flows—scorching avalanches of gas, ash, and rock—race down the … Read More

  Join us for an engaging series of tutorials on the Pegasus Workflow Management System, tailored for users of ACCESS CI systems! Discover how to design, deploy, and optimize workflows to  accelerate your research, including a hands-on example showcasing Large Language Model – Retrieval Augmented Generation (LLM-RAG) workflows on GPUs … Read More

Join us for an engaging series of tutorials on the Pegasus Workflow Management System, tailored for users of ACCESS CI systems! Discover how to design, deploy, and optimize workflows to  accelerate your research, including a hands-on example ... [More] showcasing Large Language Model – Retrieval Augmented Generation (LLM-RAG) workflows on GPUs With … Read More [Less]

We are happy to announce the release of Pegasus 5.0.8, which is a minor bug fix release for Pegasus 5.0 branch. The release has a variety of improvements and bug fixes to Pegasus support for AWS Batch. The release can be downloaded from https://pegasus.isi.edu/downloads   Improvements [PM-1960] – Document debugging … Read More

One of the Pegasus users, Renette, recently contacted us during Pegasus Office Hours, seeking help in running workflows on AWS Batch.  We provided support for users to run their workflows on AWS Batch since the Pegasus 4.9.0 release in 2018.   It was pretty impressive to see what Renette has built … Read More

Note the author: Suman Raj is a Ph.D. candidate in the Department of Computational and Data Sciences at the Indian Institute of Science (IISc), Bangalore, India under the supervision of Prof. Yogesh Simmhan. Her doctoral research focuses on developing a Scalable Analysis and Planning Platform to orchestrate autonomous systems across … Read More