{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,5]],"date-time":"2025-10-05T04:23:50Z","timestamp":1759638230920,"version":"3.33.0"},"reference-count":26,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[1998,9,1]],"date-time":"1998-09-01T00:00:00Z","timestamp":904608000000},"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":[[1998,9]]},"abstract":"<jats:p> Although there are several extant studies of parallel scien tific application request patterns, there is little experimen tal data on the correlation of physical I\/O patterns with application I\/O stimuli. To understand these correlations, the authors have instrumented the SCSI device drivers of the Intel Paragon OSF\/1 operating system to record key physical I\/O activities, and have correlated this data with the I\/O patterns of scientific applications captured via the Pablo analysis toolkit. This analysis shows that disk hard ware features profoundly affect the distribution of request delays and that current parallel file systems respond to parallel application I\/O patterns in nonscalable ways. <\/jats:p>","DOI":"10.1177\/109434209801200305","type":"journal-article","created":{"date-parts":[[2007,3,11]],"date-time":"2007-03-11T07:54:27Z","timestamp":1173599667000},"page":"364-380","source":"Crossref","is-referenced-by-count":27,"title":["A Comparison of Logical and Physical Parallel I\/o pAtterns"],"prefix":"10.1177","volume":"12","author":[{"given":"Huseyin","family":"Simitci","sequence":"first","affiliation":[{"name":"Illinois at Urbana-Champaign, 1304 West Springfield\rAvenue, Urbana, IL 61801 U.S.A."}]},{"given":"Daniel A.","family":"Reed","sequence":"additional","affiliation":[{"name":"DEPARTMENT OF COMPUTER SCIENCE, UNIVERSITY OF ILLINOIS\rAT URBANA-CHAMPAIGN, URBANA, ILLINOIS, U.S.A."}]}],"member":"179","published-online":{"date-parts":[[1998,9,1]]},"reference":[{"key":"atypb1","doi-asserted-by":"publisher","DOI":"10.1145\/121132.121164"},{"journal-title":"Proceedings of Supercomputing","year":"1996","author":"Crandall, P.","key":"atypb2"},{"key":"atypb3","first-page":"163","author":"Forin, A.","year":"1991","journal-title":"Proceedings of the USENIX Mach Symposium"},{"key":"atypb4","doi-asserted-by":"publisher","DOI":"10.1145\/242223.242300"},{"volume-title":"NWChem, a computational chemistry package for parallel computers, version 1.1","year":"1995","author":"High Performance Computational Chemistry Group.","key":"atypb5"},{"journal-title":"Proceedings of the 1993 ACM International Conference on Supercomputing","year":"1993","author":"Jensen, D.W.","key":"atypb6"},{"key":"atypb7","doi-asserted-by":"publisher","DOI":"10.1109\/SUPERC.1994.344328"},{"key":"atypb8","doi-asserted-by":"publisher","DOI":"10.1109\/MC.1982.1654081"},{"key":"atypb9","first-page":"172","author":"Madhyastha, T.","year":"1996","journal-title":"Proceedings of Frontiers"},{"key":"atypb10","first-page":"567","author":"Miller, E.L.","year":"1991","journal-title":"Proceedings of Supercomputing '91"},{"key":"atypb11","doi-asserted-by":"publisher","DOI":"10.1145\/169627.169759"},{"key":"atypb12","doi-asserted-by":"publisher","DOI":"10.1109\/SUPERC.1994.344330"},{"volume-title":"Scalable I\/O Initiative","year":"1996","author":"Pool, J.T.","key":"atypb13"},{"key":"atypb14","doi-asserted-by":"publisher","DOI":"10.1109\/IPPS.1995.395928"},{"key":"atypb15","doi-asserted-by":"crossref","unstructured":"Reed, D.A., Aydt, R.A., Noe, R.J., Roth, P.C., Shields, K.A., Schwartz, B.W., and Tavera, L.F. 1993. 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