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Gregory A. Koenig

Researcher at Oak Ridge National Laboratory

Publications -  24
Citations -  315

Gregory A. Koenig is an academic researcher from Oak Ridge National Laboratory. The author has contributed to research in topics: Symmetric multiprocessor system & Heuristics. The author has an hindex of 10, co-authored 24 publications receiving 287 citations.

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Utility maximizing dynamic resource management in an oversubscribed energy-constrained heterogeneous computing system

TL;DR: Extensive sensitivity analyses of the heuristics in environments with different levels of heterogeneity show that heuristic with the ability to balance both energy consumption and utility exhibit the best performance because they save energy for use by future tasks.
Journal ArticleDOI

Utility Functions and Resource Management in an Oversubscribed Heterogeneous Computing Environment

TL;DR: The results show the benefit of having fast heuristics that account for the importance of a task and the heterogeneity of the environment when making allocation decisions in an oversubscribed environment.
Journal ArticleDOI

Electrical Grid and Supercomputing Centers: An Investigative Analysis of Emerging Opportunities and Challenges

TL;DR: In this article, some of the largest supercomputing centers (SCs) in the United States are developing new relationships with their electricity service providers (ESPs), which are driven by a mutual interest to reduce energy costs and improve electrical grid reliability.
Proceedings ArticleDOI

An Analysis Framework for Investigating the Trade-Offs between System Performance and Energy Consumption in a Heterogeneous Computing Environment

TL;DR: An analysis framework that will allow a system administrator to investigate the tradeoffs between system energy consumption and utility earned by a system (as a measure of system performance), and model these trade-offs as a bi-objective resource allocation problem.
Proceedings ArticleDOI

Energy and Power Aware Job Scheduling and Resource Management: Global Survey — Initial Analysis

TL;DR: This work describes the motivation and methodology of a first-of-its-kind global survey of HPC centers actively employing Energy and Power Aware Scheduling and Resource Management solutions for their production systems and presents the selection of participating sites.