Job Openings

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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 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 4.9.2 Released

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We are happy to announce the release of Pegasus 4.9.2. Pegasus 4.9.2 is a minor bug fix release after Pegasus 4.9.1. This release has support for retrieval of datasets from HPSS, and improved events that can be sent to AMQP endpoints for users to build custom dashboards. Additionally, all PegasusLite … 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 4.8.5 Released

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We are happy to announce the release of Pegasus 4.8.5 . Pegasus 4.8.5 is a minor bug fix release and the last release in the 4.8 series. Improvements [PM-1248] – Planning fails in shared-fs mode with cryptic message. Bugs Fixed [PM-1314] – incorrect way of computing suffix for singularity images … Read More

Pegasus 4.8.4 Released

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We are happy to announce the release of Pegasus 4.8.4 . Pegasus 4.8.4 is a minor bug fix release. Improvements [PM-1294] – update flask dependency [PM-1277] – pegasus workflows on OSG should appear in OSG gratia [PM-1288] – pegasus.project profile key is not set for SLURM submissions Bugs Fixed [PM-1282] … Read More

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