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Performance impacts of caching I-structure data on frame-based multithreaded processing

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3 Author(s)
Hyong-Shik Kim ; Dept. of Comput. Eng., Seoul Nat. Univ., South Korea ; Soonhoi Ha ; Chu Shik Jhon

Since long latency due to remote memory access or interprocessor communication could be tolerated in multithreaded processing, caching I-structure memory is expected to have less beneficial effect on the performance than caching ordinary data. The authors suggest an organization and an operation scheme of an I-structure cache in frame-based multithreading, and show quantitatively that caching I-structure memory could improve the overall performance, in spite of the latency tolerating property of multithreading. With I-structure caches, the performance impacts are three-fold: a reduction of average latency; an increase of quantum size; and enhancement of frame parallelism. Among them, the enhancement of frame parallelism seems most important

Published in:

High Performance Computing on the Information Superhighway, 1997. HPC Asia '97

Date of Conference:

28 Apr-2 May 1997

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