Processor-Directed Cache Coherence Mechanism - Hande, Sarojadevi
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Caching is primarily a memory performance optimization technique. In the presence of multiple copies of cached values, as in a multiprocessor system, issues of correctness and consistency arise, for which a cache coherence mechanism provides a solution. In this thesis, instead of using globally controlled directory based method, an alternate way is suggested, in which cache coherence is locally directed by individual processor. For this, compiler support in the form of program annotation is provided, which helps identify the cohrence boundary at run-time. A hardware support in the form of…mehr

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Produktbeschreibung
Caching is primarily a memory performance optimization technique. In the presence of multiple copies of cached values, as in a multiprocessor system, issues of correctness and consistency arise, for which a cache coherence mechanism provides a solution. In this thesis, instead of using globally controlled directory based method, an alternate way is suggested, in which cache coherence is locally directed by individual processor. For this, compiler support in the form of program annotation is provided, which helps identify the cohrence boundary at run-time. A hardware support in the form of small buffer with 8 entry 4 way associative structure is devised for carrying out self-invalidation and update of memory. Performance evaluation of the proposed scheme using SPLASH-2 benchmark suite on RSIM simulator shows significant speed-up - a maximum of 4.31 - over directory based approach.
Autorenporträt
Dr. H.Sarojadevi is a researcher and educationist with 21 years of service in engineering domain. She holds PhD in Computer Science&eng. from the Indian Institute of Science; ME and BE from UVCE, Bangalore. She is actively involved in industry related projects and research, primarily in Computer Architecture, Computer Networks and Medical Imaging.