activity
20232026
most citedLotaru: Locally Predicting Workflow Task Runtimes for Resource Management on Heterogeneous Infrastructures

17 citations · 40 across the 11 of their papers we have counts for

collaborators

13 papers

cs.DC2026

Augur: Pre-Execution Energy Prediction for Workflow Tasks in Heterogeneous Clusters

Kathleen West, Vasilis Bountris, Philipp Thamm +3

Scientific workflows are widely used to process large quantities of data, leading to significant energy consumption and carbon emissions. To reduce this environmental impact, energ…

cs.DC2026

Nf-PEAK: Process-Based Energy Attribution for Nextflow Workflows on Kubernetes Clusters

Philipp Thamm, Somayeh Mohammadi, Kathleen West +3

Scientific workflows are pipelines of interdependent tasks. They are increasingly executed on shared Kubernetes clusters via workflow engines such as Nextflow. Their energy consump…

cs.DC2025

HyProv: Hybrid Provenance Management for Scientific Workflows

Vasilis Bountris, Lauritz Thamsen, Ulf Leser

Provenance plays a crucial role in scientific workflow execution, for instance by providing data for failure analysis, real-time monitoring, or statistics on resource utilization f…

cs.DC2025

A Systematic Evaluation of the Potential of Carbon-Aware Execution for Scientific Workflows

Kathleen West, Youssef Moawad, Fabian Lehmann +4

Scientific workflows are critical to scientific data analysis and often involve computationally intensive processing of large datasets on compute clusters. As such, their execution…

cs.DC2025★ 1 cited

Strategies to Measure Energy Consumption Using RAPL During Workflow Execution on Commodity Clusters

Philipp Thamm, Ulf Leser

In science, problems in many fields can be solved by processing datasets using a series of computationally expensive algorithms, sometimes referred to as workflows. Traditionally,…

cs.DC2025★ 5 cited

WOW: Workflow-Aware Data Movement and Task Scheduling for Dynamic Scientific Workflows

Fabian Lehmann, Jonathan Bader, Friedrich Tschirpke +6

Scientific workflows process extensive data sets over clusters of independent nodes, which requires a complex stack of infrastructure components, especially a resource manager (RM)…

cs.DC2025

Exploring the Potential of Carbon-Aware Execution for Scientific Workflows

Kathleen West, Fabian Lehmann, Vasilis Bountris +3

Scientific workflows are widely used to automate scientific data analysis and often involve processing large quantities of data on compute clusters. As such, their execution tends…

cs.DC2024★ 1 cited

Workflows Community Summit 2024: Future Trends and Challenges in Scientific Workflows

Rafael Ferreira da Silva, Deborah Bard, Kyle Chard +108

The Workflows Community Summit gathered 111 participants from 18 countries to discuss emerging trends and challenges in scientific workflows, focusing on six key areas: time-sensit…

cs.DC2024★ 1 cited

Ponder: Online Prediction of Task Memory Requirements for Scientific Workflows

Fabian Lehmann, Jonathan Bader, Ninon De Mecquenem +5

Scientific workflows are used to analyze large amounts of data. These workflows comprise numerous tasks, many of which are executed repeatedly, running the same custom program on d…

cs.DC2024★ 2 cited

Scaling on Frontier: Uncertainty Quantification Workflow Applications using ExaWorks to Enable Full System Utilization

Mikhail Titov, Robert Carson, Matthew Rolchigo +6

When running at scale, modern scientific workflows require middleware to handle allocated resources, distribute computing payloads and guarantee a resilient execution. While indivi…

cs.DC2023★ 2 cited

The Common Workflow Scheduler Interface: Status Quo and Future Plans

Fabian Lehmann, Jonathan Bader, Lauritz Thamsen +1

Nowadays, many scientific workflows from different domains, such as Remote Sensing, Astronomy, and Bioinformatics, are executed on large computing infrastructures managed by resour…

cs.DC2023★ 11 cited

Large Language Models to the Rescue: Reducing the Complexity in Scientific Workflow Development Using ChatGPT

Mario Sänger, Ninon De Mecquenem, Katarzyna Ewa Lewińska +4

Scientific workflow systems are increasingly popular for expressing and executing complex data analysis pipelines over large datasets, as they offer reproducibility, dependability,…

cs.DC2023★ 17 cited

Lotaru: Locally Predicting Workflow Task Runtimes for Resource Management on Heterogeneous Infrastructures

Jonathan Bader, Fabian Lehmann, Lauritz Thamsen +2

Many resource management techniques for task scheduling, energy and carbon efficiency, and cost optimization in workflows rely on a-priori task runtime knowledge. Building runtime…