{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T20:17:08Z","timestamp":1791145028159,"version":"4.1.0"},"reference-count":23,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2001,2,1]],"date-time":"2001-02-01T00:00:00Z","timestamp":980985600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The International Journal of High Performance Computing Applications"],"published-print":{"date-parts":[[2001,2]]},"abstract":"<jats:p>Accurate and efficient simulation of large parallel applications can be facilitated with the use of direct execution and parallel discrete-event simulation. This paper describes MPI-SIM, a direct execution-driven parallel simulator designed to predict the performance of existing MPI and MPI-IO application. MPI-SIM can be used to predict the performance of these programs as a function of architectural characteristics, including number of processors, message communication latencies, caching algorithms, and alternative implementations of collective I\/O operations. Results are presented, which show the use of MPI-SIM in performing a scalability study of real-world applications. The benchmarks chosen for the study include Sweep3D, one of the ASCI benchmarks, and BTIO, an I\/O-intensive benchmark from the NAS Parallel Benchmark suite. MPI-SIM is shown to accurately and efficiently predict the performance of Sweep3D running on an Origin 2000. It is also used to demonstrate the impact of the number of I\/O nodes on BTIO\u2019s performance.<\/jats:p>","DOI":"10.1177\/109434200101500101","type":"journal-article","created":{"date-parts":[[2005,3,8]],"date-time":"2005-03-08T14:22:51Z","timestamp":1110291771000},"page":"3-12","source":"Crossref","is-referenced-by-count":32,"title":["Parallel Simulation of Large-Scale Parallel Applications"],"prefix":"10.1177","volume":"15","author":[{"given":"Rajive","family":"Bagrodia","sequence":"first","affiliation":[{"name":"Computer Science Department, University of California, Los Angeles"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ewa","family":"Deelman","sequence":"additional","affiliation":[{"name":"Computer Science Department, University of California, Los Angeles"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Phan","sequence":"additional","affiliation":[{"name":"Computer Science Department, University of California, Los Angeles"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2001,2,1]]},"reference":[{"key":"atypb1","doi-asserted-by":"publisher","DOI":"10.1177\/109434200001400403"},{"key":"atypb2","doi-asserted-by":"publisher","DOI":"10.1006\/jpdc.1995.1099"},{"key":"atypb3","doi-asserted-by":"publisher","DOI":"10.1145\/329366.301118"},{"key":"atypb4","doi-asserted-by":"publisher","DOI":"10.1145\/509593.509640"},{"key":"atypb5","volume-title":"Winter Simulation Conference","author":"Bagrodia, R."},{"key":"atypb6","doi-asserted-by":"publisher","DOI":"10.21236\/ADA241343"},{"key":"atypb7","doi-asserted-by":"publisher","DOI":"10.1177\/109434200001400401"},{"key":"atypb8","doi-asserted-by":"publisher","DOI":"10.1109\/TSE.1979.230182"},{"key":"atypb9","doi-asserted-by":"publisher","DOI":"10.1145\/233557.233558"},{"key":"atypb10","volume-title":"Proceedings of the 1988 ACM SIGMETRICS Conference on Measurement and Modeling of Computer Systems","author":"Covington, R. 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