NDLI: RapidMRC:approximating L2 miss rate curves on commodity systems for online optimizations (CARN, Vol. 37, Issue. 1)

Content Provider	ACM Digital Library
Author	Tam, David K. Soares, Livio B. Stumm, Michael Azimi, Reza
Abstract	Miss rate curves (MRCs) are useful in a number of contexts. In our research, online L2 cache MRCs enable us to dynamically identify optimal cache sizes when cache-partitioning a shared-cache multicore processor. Obtaining L2 MRCs has generally been assumed to be expensive when done in software and consequently, their usage for online optimizations has been limited. To address these problems and opportunities, we have developed a low-overhead software technique to obtain L2 MRCs online on current processors, exploiting features available in their performance monitoring units so that no changes to the application source code or binaries are required. Our technique, called RapidMRC, requires a single probing period of roughly 221 million processor cycles (147 ms), and subsequently 124 million cycles (83 ms) to process the data. We demonstrate its accuracy by comparing the obtained MRCs to the actual L2 MRCs of 30 applications taken from SPECcpu2006, SPECcpu2000, and SPECjbb2000. We show that RapidMRC can be applied to sizing cache partitions, helping to achieve performance improvements of up to 27%.
Starting Page	121
Ending Page	132
Page Count	12
File Format	PDF
ISSN	01635964
DOI	10.1145/2528521.1508259
Journal	ACM SIGARCH Computer Architecture News (CARN)
Volume Number	37
Issue Number	1
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1981-04-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Performance monitoring unit Shared cache management Cache management Chip multiprocessor Dynamic optimization Shared cache Miss rate curve Online optimization Cache partitioning Hardware performance counters Multicore processor
Content Type	Text
Resource Type	Article

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RapidMRC:approximating L2 miss rate curves on commodity systems for online optimizations (SIGP, Vol. 44, Issue. 3)

RapidMRC: approximating L2 miss rate curves on commodity systems for online optimizations

Managing shared l2 caches on multicore systems.

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M.: RapidMRC: Approximating L2 Miss Rate Curves on Commodity Systems for Online Optimizations (2009)

Rapidmrc: approximating l2 miss rate curves on commodity systems for online optimizations (2009).

Managing shared l2 caches on multicore systems in software (2007)

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Adaptive set pinning: managing shared caches in chip multiprocessors (2008).

RapidMRC:approximating L2 miss rate curves on commodity systems for online optimizations (CARN, Vol. 37, Issue. 1)

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RapidMRC:approximating L2 miss rate curves on commodity systems for online optimizations (CARN, Vol. 37, Issue. 1)