NDLI: Unbalanced cache systems

Content Provider	IEEE Xplore Digital Library
Author	Rhodes, D.L. Wolf, W.
Copyright Year	1999
Description	Author affiliation: Res., Dev. & Eng. Center, US Army CECOM, Fort Monmouth, NJ, USA (Rhodes, D.L.)
Abstract	The new concept of an unbalanced, hierarchically-divided cache memory system is introduced and analyzed. This approach generalizes existing cache structures by allowing different memory references (e.g. as possibly unevenly divided within an address-space) to be subject to various levels of caching as well as varied amounts of cache at each level. Under the assumption that the total cache size at a particular level is fixed, it is easily shown that at least one divided cache structure exists for which the miss-rate is the same as a single unified cache. By using alternate implementations, however, the method may provide a significant decrease in miss-rates as is shown via simulations. Specifically, SPEC95 benchmarks are used to demonstrate that the technique is effective for general usage but it may be even more useful for embedded systems where memory access patterns can be more fully controlled (i.e. via the compiler). In addition to improved miss-rates, another advantage is that the hit-time for multiple smaller caches may be smaller than for a single larger cache. Disadvantageous, but readily surmountable, electrical aspects are also discussed.
Starting Page	16
Ending Page	23
File Size	157371
Page Count	8
File Format	PDF
ISBN	0769502598
ISSN	10874852
DOI	10.1109/MTDT.1999.782679
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-08-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay Electronic switching systems Electrical capacitance tomography Reactive power Very large scale integration Computer aided instruction Microprocessors Digital signal processors Digital signal processing VLIW
Content Type	Text
Resource Type	Article

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