Automatically assigned DDC number: 00435

Manually assigned DDC number: 00435

Number of references: 8

Title: On Effective Data Supply For Multi-Issue Processors

Author:

Author:

Author:

Subject: Jude A. Rivers,Edward S. Tam,Edward S. Davidson On Effective Data Supply For Multi-Issue Processors

Description: Emerging multi-issue microprocessors require effective data supply to sustain multiple instruction processing. The data cache structure, the backbone of data supply, has been organized and managed as one large homogenous resource, offering little flexibility for selective caching. While memory latency hiding techniques and multi-ported caches are critical to effective data supply, we show in this paper that even ideal non-blocking multi-ported caches fail to be sufficient in and of themselves in supplying data. We evaluate an approach in which the first level (L1) data cache is partitioned into multiple (multi-lateral) subcaches. The data reference stream of a running program is subdivided into two classes, and each class is mapped to a specific subcache whose management policy is more suitable for the access pattern of its class. This sort of selective organization and caching retains more useful data in the L1 Cache, which translates to more cache hits, less cache-memory bus contenti...

Contributor: The Pennsylvania State University CiteSeer Archives

Publisher: unknown

Date: 1997-07-31

Pubyear: 1997

Format: ps

Identifier: http://citeseer.ist.psu.edu/160553.html

Source: http://www.eecs.umich.edu/~jrivers/ICCD97.ps.gz

Language: en

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Rights: unrestricted

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