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- W2169110267 abstract "This paper describes the design, implementation, and evaluation of an automatic application-specific file prefetching mechanism that is designed to improve the I/O performance of multimedia programs with complicated access patterns. The key idea of the proposed approach is to convert an application into two threads: a computation thread, which is the original program containing both computation and disk I/O, and a prefetch thread, which contains all the instructions in the original program that are related to disk accesses. At run time, the prefetch thread is scheduled to run far ahead of the computation thread, so that disk blocks can be prefetched and put in the file system buffer cache before the computation thread needs them. A source-to-source translator is developed to automatically generate the prefetch and computation thread from a given application program without any user intervention. We have successfully implemented a prototype of this automatic application-specific file prefetching mechanism under Linux. The prototype is shown to provide as much as 54% overall performance improvement for real-world multimedia applications." @default.
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- W2169110267 date "2002-11-07" @default.
- W2169110267 modified "2023-09-27" @default.
- W2169110267 title "Application-specific file prefetching for multimedia programs" @default.
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- W2169110267 doi "https://doi.org/10.1109/icme.2000.869638" @default.
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