Choosing Representative Slices of Program Execution for Microarchitecture Simulations: A Preliminary Application to the Data Stream (2000)
| Venue: | In Workload Characterization of Emerging Applications |
| Citations: | 65 - 1 self |
BibTeX
@INPROCEEDINGS{Seznec00choosingrepresentative,
author = {Lafage Andr'e Seznec and André Seznec and Thierry Lafage},
title = {Choosing Representative Slices of Program Execution for Microarchitecture Simulations: A Preliminary Application to the Data Stream},
booktitle = {In Workload Characterization of Emerging Applications},
year = {2000},
pages = {102--110},
publisher = {Kluwer Academic Publishers}
}
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Abstract
Microarchitecture simulations are aimed at providing results representative of the behavior of a processor running an application. Due to CPU time constaints, only a few execution slices of a large application can be simulated. The aim of this paper is to propose a technique to choose a few program execution slices representative of the entire execution. We characterize the behavior of each consecutive slice executed. Then we use a statistical classification method to discriminate the execution slices and select the representative ones. In this paper, we detail this approach and apply it to the data stream. Using data cache simulations on the SPEC95 programs, we show that slices representing 1.46 % (average upon all the SPEC95 but one) of the overall program activity are as representative as trace sampling using a 10 % sampling ratio. keywords: micro-architecture simulation, trace-driven simulation, on-thefly simulation, trace sampling, clustering, classification, data stre...
