Per-task Energy Accounting in Computing Systems

Qixiao Liu,Victor Jiménez,Miquel Moretó,Jaume Abella,Francisco J. Cazorla,Mateo Valero

Computer Architecture Letters（2014）

引用 6|浏览68

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摘要

We present for the first time the concept of per-task energy accounting (PTEA) and relate it to per-task energy metering (PTEM). We show the benefits of supporting both in future computing systems. Using the shared last-level cache (LLC) as an example: (1) We illustrate the complexities in providing PTEM and PTEA; (2) we present an idealized PTEM model and an accurate and low-cost implementation of it; and (3) we introduce a hardware mechanism to provide accurate PTEA in the cache.

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关键词

ptea,power aware computing,cache storage,shared last-level cache,ptem model,per-task energy accounting,computing systems,per-task energy metering,benchmark testing,energy management,multicore processing,computational modeling,radiation detectors

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