EWMS in Action: A User’s Guide to Adaptive, Extreme-Scale Workflows

Ric Evans at HTC25

June 4, 2025

The Event Workflow Management System (EWMS) enables previously impractical scientific workflows by transforming how HTCondor is used for massively parallel, short-runtime tasks. This talk explores what’s now possible from a user’s perspective. Integrated into IceCube’s Realtime Alert pipeline and powered by OSG’s national-scale compute resources, EWMS’s debut application delivers directional reconstructions of high-energy neutrinos within minutes. This talk will showcase how EWMS is accelerating discovery today and explore how its capabilities could unlock new research across domains—from astrophysics to protein modeling, large-scale text mining, and beyond.

Research Computing Collaborations Workflow

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This project is supported by National Science Foundation under Cooperative Agreement OAC-2030508. Any opinions, findings, conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.