Pegasus Workflows on OLCF Summit

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Summit is a leadership-class computing system for open science that is hosted at the Oak Ridge National Laboratory. Summit, launched in 2018, delivers 8 times the computational performance of Titan’s 18,688 nodes, using only 4,608 nodes. Its architecture with the associated GPU resources, makes it an attractive resource for scientists … Read More

Pegasus and Dynamo Aiding Weather Scientists

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Computational science today depends on many complex, compute and data-intensive applications operating on distributed datasets that originate from a variety of scientific instruments and data repositories. Two major challenges for these applications are (1) the provisioning of compute resources and (2) the integration of data into the scientists’ workflow. Background … 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 4.8.3 Released

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We are happy to announce the release of Pegasus 4.8.3 . Pegasus 4.8.3 s a minor bug fix release New Features [PM-1280] – incorporate container based example in pegasus-init pegasus-init was updated to include a population modeling example using containers. Updated tutorial instructions using that example can be found at http://pegasus.isi.edu/tutorial/isi/index.php … Read More