'Cache coherence' diaporamas de présentation

Shared Memory Multiprocessors

Shared Memory Multiprocessors. Logical design and software interactions. Shared Memory Multiprocessors. Symmetric Multiprocessors (SMPs) Symmetric access to all of main memory from any processor Dominate the server market Building blocks for larger systems; arriving to desktop

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18-447: Computer Architecture Lecture 26: More Coherence and Interconnects

18-447: Computer Architecture Lecture 26: More Coherence and Interconnects. Prof. Onur Mutlu Carnegie Mellon University Spring 2012, 4/30/2012. Reminder: Lab Assignment 7. Cache coherence in multi-core systems MESI cache coherence protocol Due May 4

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2K papers on caches by Y2K: Do we need more?

2K papers on caches by Y2K: Do we need more?. Jean-Loup Baer Dept. of Computer Science & Engineering University of Washington. A little bit of history. The Y0K problem. A little bit of history. The Y0K problem The Y1K problem. A little bit of history. The Y0K problem The Y1K problem

585 views • 46 slides

William Stallings Computer Organization and Architecture

William Stallings Computer Organization and Architecture. Chapter 16 Parallel Processing. Multiple Processor Organization. Single instruction, single data stream - SISD Single instruction, multiple data stream - SIMD Multiple instruction, single data stream - MISD

634 views • 40 slides

Anca Ivan, Josh Harman, Michael Allen, Vijay Karamcheti Parallel and Distributed Systems Group

Partitionable Services: A Framework for Seamlessly Adapting Distributed Applications to Heterogeneous Environments. Anca Ivan, Josh Harman, Michael Allen, Vijay Karamcheti Parallel and Distributed Systems Group New York University. Partitionable services framework. Motivation:

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Cache Coherence in Bus-Based Shared Memory Multiprocessors

Cache Coherence in Bus-Based Shared Memory Multiprocessors. Shared Memory Multiprocessors Variations Cache Coherence in Shared Memory Multiprocessors A Coherent Memory System: Intuition Formal Definition of Coherence Cache Coherence Approaches Bus-Snooping Cache Coherence Protocols

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DMA Cache Architecturally Separate I/O Data from CPU Data for Improving I/O Performance

DMA Cache Architecturally Separate I/O Data from CPU Data for Improving I/O Performance. Dang Tang, Yungang Bao , Weiwu Hu, Mingyu Chen 2010.1. Institute of Computing Technology (ICT) Chinese Academy of Sciences (CAS). The role of I/O. I/O is ubiquitous

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Cache Coherence

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The Cache-Coherence Problem

The Cache-Coherence Problem. Intro to Chapter 5. Shared Memory vs. No Shared Memory. Advantages of shared-memory machines Naturally support shared-memory programs Clusters can also support them via software virtual shared memory , but with much coarser granularity and higher overheads

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Computer architecture II

Computer architecture II. Shared Memory Multiprocessors. Outline:. NOW: Bus based shared memory (chapters 5, 6 Culler) Cache Coherence Snooping Cache Coherence Protocols Consistency Synchronization LATER: NUMA machines (chapters 7, 8) Directory based coherency protocols.

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Shared memory architectures

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Shared Memory Multiprocessors Logical design and software interactions

Shared Memory Multiprocessors Logical design and software interactions. Shared Memory Multiprocessors. Symmetric Multiprocessors (SMPs) Symmetric access to all of main memory from any processor Dominate the server market Building blocks for larger systems; arriving to desktop

468 views • 30 slides

The Cache-Coherence Problem

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Supporting Cache Coherence in Heterogeneous Multiprocessor Systems

Supporting Cache Coherence in Heterogeneous Multiprocessor Systems. Taeweon Suh , Douglas M. Blough, and Hsien-Hsin S. Lee Georgia Institute of Technology. Introduction. Cache Coherence Well-known technique for data consistency among multiprocessor Shared memory

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The NUMAchine Multiprocessor

The NUMAchine Multiprocessor. ICPP 2000. Outline. Presentation Overview. Architecture System Overview Key Features Fast ring routing Hardware Cache Coherence Memory Model: Sequential Consistency Simulation Studies Ring performance Network Cache performance Coherence overhead

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Rethinking Hardware and Software for Disciplined Parallelism

Rethinking Hardware and Software for Disciplined Parallelism. Sarita V. Adve University of Illinois sadve@illinois.edu. Sequential CS 101. Java. Parallel CS 101. Threads. Java. Parallel CS 101. Threads. Java. Data races. Parallel CS 101. Threads. Java. Data races. Non-determinism.

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Cache coherence for CMPs

Cache coherence for CMPs. Miodrag Bolic. Private cache. Each cache bank is private to a particular core Cache coherence is maintained at the L2 cache level Intel Montecito [81], AMD Opteron [56], or IBM POWER6 [63]. Private cache. Advantages . Disadvantages. Data blocks can get duplicated

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March 17, 2008 Rhishikesh Limaye

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GPUs and Accelerators

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