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- W4249758101 abstract "With the growing processor-memory performance gap, understanding and optimizing a program's reference locality, and consequently, its cache performance, is becoming increasingly important. Unfortunately, current reference locality optimizations rely on heuristics and are fairly ad-hoc. In addition, while optimization technology for improving instruction cache performance is fairly mature (though heuristic-based), data cache optimizations are still at an early stage. We believe the primary reason for this imbalance is the lack of a suitable representation of a program's dynamic data reference behavior and a quantitative basis for understanding this behavior. We address these issues by proposing a quantitative basis for understanding and optimizing reference locality, and by describing efficient data reference representations and an exploitable locality abstraction that support this framework. Our data reference representations (Whole Program Streams and Stream Flow Graphs) are compact—two to four orders of magnitude smaller than the program's data reference trace—and permit efficient analysis—on the order of seconds to a few minutes—even for complex applications. These representations can be used to efficiently compute our exploitable locality abstraction (hot data streams). We demonstrate that these representations and our hot data stream abstraction are useful for quantifying and exploiting data reference locality. We applied our framework to several SPECint 2000 benchmarks, a graphics program, and a commercial Microsoft database application. The results suggest significant opportunity for hot data stream-based locality optimizations." @default.
- W4249758101 created "2022-05-12" @default.
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- W4249758101 date "2001-05-01" @default.
- W4249758101 modified "2023-10-18" @default.
- W4249758101 title "Efficient representations and abstractions for quantifying and exploiting data reference locality" @default.
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- W4249758101 doi "https://doi.org/10.1145/381694.378840" @default.
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