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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Callaghan, S. Maechling, P. Deelman, E. Vahi, K. Mehta, G. Juve, G. Milner, K. Graves, R. Field, E. Okaya, D. Gunter, D. Beattie, K. Jordan, T. |
| Copyright Year | 2008 |
| Description | Author affiliation: Lawrence Berkeley Nat. Lab., Livermore, CA (Gunter, D.; Beattie, K.) || URS Corp., Pasadena, CA (Graves, R.) || Univ. of Southern California, Los Angeles, CA (Callaghan, S.; Maechling, P.; Juve, G.; Milner, K.; Okaya, D.; Jordan, T.) || U.S. Geol. Survey, Pasadena, CA (Field, E.) || Inf. Sci. Inst., USC, Marina, CA (Deelman, E.; Vahi, K.; Mehta, G.) |
| Abstract | Researchers at the Southern California Earthquake Center (SCEC) use large-scale grid-based scientific workflows to perform seismic hazard research as a part of SCEC's program of earthquake system science research. The scientific goal of the SCEC CyberShake project is to calculate probabilistic seismic hazard curves for sites in Southern California. For each site of interest, the CyberShake platform includes two large-scale MPI calculations and approximately 840,000 embarrassingly parallel post-processing jobs. In this paper, we describe the computational requirements of CyberShake and detail how we meet these requirements using grid-based, high-throughput, scientific workflow tools. We describe the specific challenges we encountered and we discuss workflow throughput optimizations we developed that reduced our time to solution by a factor of three and we present runtime statistics and propose further optimizations. |
| Starting Page | 151 |
| Ending Page | 158 |
| File Size | 359194 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781424433803 |
| DOI | 10.1109/eScience.2008.60 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-12-07 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Accelerometers Condor Motion estimation Pegasus seismology Hazards Geophysics computing high throughput scientific workflows Seismic measurements Earthquakes Seismology optimization Attenuation Large-scale systems Globus Acceleration TeraGrid |
| Content Type | Text |
| Resource Type | Article |
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