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Cache Coherence CS433 Spring 2001

Cache Coherence CS433 Spring 2001

Cache Coherence CS433 Spring 2001. Laxmikant Kale. Directory based cache coherence protocols. Overview of directory-based approaches Directory Protocols Correctness, including serialization and consistency Implementation study through case Studies: SGI Origin2000, Sequent NUMA-Q

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904 views • 78 slides
Chapter 8: Cache Coherents in Scalable Multiprocessors

Chapter 8: Cache Coherents in Scalable Multiprocessors

Chapter 8: Cache Coherents in Scalable Multiprocessors. Outline. Approaches to scalable coherence hierarchical directory-based Directory Protocols basic operation flat vs. hierarchical directories flat schemes: memory-based vs. cache-based reducing directory storage overhead

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490 views • 39 slides
Cache Coherence in Scalable Machines (II)

Cache Coherence in Scalable Machines (II)

Cache Coherence in Scalable Machines (II). Outline. Overview of directory-based approaches inherent program characteristics Correctness, including serialization and consistency. Scaling Issues. memory and directory bandwidth

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443 views • 30 slides
The Potential of the Cell Processor for Scientific Computing

The Potential of the Cell Processor for Scientific Computing

The Potential of the Cell Processor for Scientific Computing. Leonid Oliker Samuel Williams, John Shalf Shoaib Kamil, Parry Husbands, Katherine Yelick Computational Research Division Lawrence Berkeley National Laboratory. Motivation.

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327 views • 23 slides
Scalable Cache Coherent Systems

Scalable Cache Coherent Systems

Scalable Cache Coherent Systems. Scalable distributed shared memory machines Assumptions: Processor-Cache-Memory nodes connected by scalable network. Distributed shared physical address space. Communication assist must interpret network transactions, forming shared address space.

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236 views • 23 slides
Lecture 4: Directory Protocols

Lecture 4: Directory Protocols

Lecture 4: Directory Protocols. Topics: directory-based cache coherence implementations. Split Transaction Bus. What would it take to implement the protocol correctly while assuming a split transaction bus? Split transaction bus: a cache puts out a request, releases

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291 views • 18 slides
Lecture 4: Directory Protocols

Lecture 4: Directory Protocols

Lecture 4: Directory Protocols. Topics: directory-based cache coherence implementations. Split Transaction Bus. What would it take to implement the protocol correctly while assuming a split transaction bus? Split transaction bus: a cache puts out a request, releases

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188 views • 18 slides

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