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Abstract: Although there are several extant studies of parallel scientific application request patterns, there is little experimental data on the correlation of physical input/output patterns with application input/output stimuli. To understand these correlations, we have instrumented the SCSI device drivers of the Intel Paragon OSF/1 operating system to record key physical input/output activities and have correlated this data with the input/output patterns of scientific applications captured via the... (Update)
Context of citations to this paper: More
.... optimized for some expected workloads, and even slight deviations from the expected can degrade performance by orders of magnitude [20, 80]. Often, to achieve acceptable performance, the programmer is forced to tune the size, order and frequency of input output requests to...
.... difference between the amount of data logically accessed by an application and the amount of data physically moved, as demonstrated in [49]. In addition, a substantial latency is introduced by the need to wait for the right sector to move under a read or write head even at...
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BibTeX entry: (Update)
Simitci, H., and Reed, D. A. A Comparison of Logical and Physical Parallel I/O Patterns. International Journal of Supercomputer Applications and High Performance Computing (to appear 1998). http://citeseer.ist.psu.edu/simitci98comparison.html More
@article{ simitci98comparison,
author = "Huseyin Simitci and Daniel A. Reed",
title = "A Comparison of Logical and Physical Parallel {I/O} Patterns",
journal = "The International Journal of Supercomputer Applications and High Performance Computing",
volume = "12",
number = "3",
month = "Fall",
pages = "364--380",
year = "1998",
url = "citeseer.ist.psu.edu/simitci98comparison.html" }
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284 An Introduction to Disk Drive Modeling - Ruemmler, Wilkes - 1994
167 UNIX Disk Access Patterns - Ruemmler, Wilkes - 1993
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29 Adaptive File System Policy Selection (context) - Madhyastha, Reed - 1996
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1 Department of Computer Science (context) - Stritter - 1977
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