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Pegasus, a workflow management system for science automation
TLDR
This paper describes the design, development and evolution of the Pegasus Workflow Management System, which maps abstract workflow descriptions onto distributed computing infrastructures. Expand
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CyberShake: A Physics-Based Seismic Hazard Model for Southern California
CyberShake, as part of the Southern California Earthquake Center’s (SCEC) Community Modeling Environment, is developing a methodology that explicitly incorporates deterministic source and waveExpand
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SCEC Broadband Platform: System Architecture and Software Implementation
TLDR
The Southern California Earthquake Center (SCEC) Broadband Platform (BBP) is an open‐source software distribution that contains physics‐based ground‐motion models capable of calculating earthquake ground motions at frequencies above 10 Hz across regional distances. Expand
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SCEC CyberShake Workflows - Automating Probabilistic Seismic Hazard Analysis Calculations
TLDR
The Southern California Earthquake Center (SCEC) is a community of more than 400 scientists from over 54 research organizations that conducts geophysical research in order to develop a physics-based understanding of earthquake processes and to reduce the hazard from earthquakes in the Southern California region. Expand
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Managing Large-Scale Workflow Execution from Resource Provisioning to Provenance Tracking: The CyberShake Example
TLDR
This paper discusses the process of building an environment where large-scale, complex, scientific analysis can be scheduled onto a heterogeneous collection of computational and storage resources. Expand
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Scaling up workflow-based applications
TLDR
In this paper, we describe the challenges faced by workflow management and performance analysis systems when dealing with an earthquake science application, CyberShake, executing on the TeraGrid. Expand
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Physics-based seismic hazard analysis on petascale heterogeneous supercomputers
TLDR
We have developed a highly scalable and efficient GPU-based finite-difference code (AWP) for earthquake simulation that implements high throughput, memory locality, communication reduction and communication / computation overlap and achieves linear scalability on Cray XK7 Titan. Expand
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Reducing Time-to-Solution Using Distributed High-Throughput Mega-Workflows - Experiences from SCEC CyberShake
TLDR
We describe the computational requirements of CyberShake and detail how we meet these requirements using grid-based, high-throughput, scientific workflow tools. Expand
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Metrics for heterogeneous scientific workflows: A case study of an earthquake science application
TLDR
We describe and propose the use of alternative metrics to accurately capture the scale of scientific workflows and quantify their efficiency. Expand
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The SCEC Unified Community Velocity Model Software Framework
TLDR
The Southern California Earthquake Center developed the Unified CVM (UCVM) software framework, an open‐source collection of tools that enables users to access one or more seismic velocity models, while providing a standard query interface. Expand
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