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CSL718 : Multiprocessors PowerPoint PPT Presentation

CSL718 : Multiprocessors - Shared Memory with Caches. Multiple copies of data may exist. Problem of cache coherence ... a signal/message immediately, copy information only when unavoidable ...

Shared Memory with Caches. Multiple copies of data may exist. Problem of cache coherence ... a signal/message immediately, copy information only when unavoidable ...

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Multiprocessors PowerPoint PPT Presentation

Multiprocessors - good news: works for timesharing (better than supercomputer) ... SMP (symmetric multiprocessors) , aka UMA (uniform memory access multiprocessors) ...

good news: works for timesharing (better than supercomputer) ... SMP (symmetric multiprocessors) , aka UMA (uniform memory access multiprocessors) ...

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Multiprocessors - We have looked at various ways of increasing a single ... Chipset. Memory: centralized with Uniform Memory Access time ('uma') and bus interconnect, I/O ...

We have looked at various ways of increasing a single ... Chipset. Memory: centralized with Uniform Memory Access time ('uma') and bus interconnect, I/O ...

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Multiprocessors - Multiprocessors have the highest performance , it is higher than the fastest uni ... Advantage: amortize the instruction accesses, the latencies associated with chip ...

Multiprocessors have the highest performance , it is higher than the fastest uni ... Advantage: amortize the instruction accesses, the latencies associated with chip ...

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Multicores, Multiprocessors, and Clusters PowerPoint PPT Presentation

Multicores, Multiprocessors, and Clusters - Chapter 7 Multicores, Multiprocessors, and Clusters

Chapter 7 Multicores, Multiprocessors, and Clusters

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Shared Memory Multiprocessors PowerPoint PPT Presentation

Shared Memory Multiprocessors - coarse grain tasks, decompose to obtain locality. Extra Work ... Fine-grain resource sharing. Uniform access via loads/stores ... fine-grain sharing ...

coarse grain tasks, decompose to obtain locality. Extra Work ... Fine-grain resource sharing. Uniform access via loads/stores ... fine-grain sharing ...

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Shared Memory Multiprocessors - Processors or their representatives can snoop (monitor) bus and take action on ... Design Space for Snooping Protocols. No need to change processor, main memory, ...

Processors or their representatives can snoop (monitor) bus and take action on ... Design Space for Snooping Protocols. No need to change processor, main memory, ...

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CSL718 : Multiprocessors - Non-uniform connectivity. Anshul Kumar, CSE IITD. 13. Static Networks Topologies- contd. ... for finding queuing delay Tw. Anshul Kumar, CSE IITD. ...

Non-uniform connectivity. Anshul Kumar, CSE IITD. 13. Static Networks Topologies- contd. ... for finding queuing delay Tw. Anshul Kumar, CSE IITD. ...

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Cooperative Caching for Chip Multiprocessors PowerPoint PPT Presentation

Cooperative Caching for Chip Multiprocessors - Cooperative Caching for Chip Multiprocessors Jichuan Chang , Enric Herrero , Ramon Canal and Gurindar S. Sohi* HP Labs Universitat Polit cnica de Catalunya

Cooperative Caching for Chip Multiprocessors Jichuan Chang , Enric Herrero , Ramon Canal and Gurindar S. Sohi* HP Labs Universitat Polit cnica de Catalunya

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Core-Selectability in Chip-Multiprocessors PowerPoint PPT Presentation

Core-Selectability in Chip-Multiprocessors - Core-Selectability in Chip-Multiprocessors Hashem H. Najaf-abadi Niket K. Choudhary Eric Rotenberg Dividing the Design A definition What this Talk is About How to ...

Core-Selectability in Chip-Multiprocessors Hashem H. Najaf-abadi Niket K. Choudhary Eric Rotenberg Dividing the Design A definition What this Talk is About How to ...

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Distributed Memory Multiprocessors PowerPoint PPT Presentation

Distributed Memory Multiprocessors - how processes refer to each other ... NI emulates memory controller at source. NI emulates processor at dest. must be deadlock free ...

how processes refer to each other ... NI emulates memory controller at source. NI emulates processor at dest. must be deadlock free ...

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Multiprocessors - To create powerful computers simply by connecting many existing ... http://www.geocities.com/CapeCanaveral/7997/hypercube.html. 10/7/09. Meng-Lai Yin / ECE425 ...

To create powerful computers simply by connecting many existing ... http://www.geocities.com/CapeCanaveral/7997/hypercube.html. 10/7/09. Meng-Lai Yin / ECE425 ...

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Multiprocessors - How do parallel processors share data? single address space. message passing. How do parallel processors coordinate? synchronization (locks, semaphores) ...

How do parallel processors share data? single address space. message passing. How do parallel processors coordinate? synchronization (locks, semaphores) ...

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Shared Memory Multiprocessors - Title: No Slide Title Author: Jaswinder Pal Singh Last modified by: mbolic Created Date: 5/31/1998 11:29:00 PM Document presentation format: On-screen Show (4:3)

Title: No Slide Title Author: Jaswinder Pal Singh Last modified by: mbolic Created Date: 5/31/1998 11:29:00 PM Document presentation format: On-screen Show (4:3)

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Lecture 17: Multiprocessors PowerPoint PPT Presentation

Lecture 17: Multiprocessors - shared-memory multiprocessors (Sections 4.1-4.2) University of Utah Taxonomy SISD: ... vector architectures: lower flexibility MIMD: most multiprocessors today: ...

shared-memory multiprocessors (Sections 4.1-4.2) University of Utah Taxonomy SISD: ... vector architectures: lower flexibility MIMD: most multiprocessors today: ...

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Comparing Memory Systems for Chip Multiprocessors PowerPoint PPT Presentation

Comparing Memory Systems for Chip Multiprocessors - Comparing Memory Systems for Chip Multiprocessors ... set associative In-order processors similar to Piranha RAW Ultrasparc T1 XBox360 512-Kbyte L2 Cache 16-way ...

Comparing Memory Systems for Chip Multiprocessors ... set associative In-order processors similar to Piranha RAW Ultrasparc T1 XBox360 512-Kbyte L2 Cache 16-way ...

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Issues in Multiprocessors PowerPoint PPT Presentation

Issues in Multiprocessors - Issues in Multiprocessors Which programming model for interprocessor communication shared memory regular loads & stores message passing explicit sends & receives

Issues in Multiprocessors Which programming model for interprocessor communication shared memory regular loads & stores message passing explicit sends & receives

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Lecture: Memory, Multiprocessors PowerPoint PPT Presentation

Lecture: Memory, Multiprocessors - Title: PowerPoint Presentation Author: Rajeev Balasubramonian Last modified by: Rajeev Balasubramonian Created Date: 9/20/2002 6:19:18 PM Document presentation format

Title: PowerPoint Presentation Author: Rajeev Balasubramonian Last modified by: Rajeev Balasubramonian Created Date: 9/20/2002 6:19:18 PM Document presentation format

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Multiprocessors - Snooping Solution (Snoopy Bus): Send all requests for data to all processors ... An Example Snoopy Protocol. Invalidation protocol, write-back cache ...

Snooping Solution (Snoopy Bus): Send all requests for data to all processors ... An Example Snoopy Protocol. Invalidation protocol, write-back cache ...

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Multiprocessors - A flower will dissolve a swan. Alpha (a standard scheme) determines the intensity of the flower ... pixel is 90% flower and 10% swan. 25. COMP381 by M. Hamdi ...

A flower will dissolve a swan. Alpha (a standard scheme) determines the intensity of the flower ... pixel is 90% flower and 10% swan. 25. COMP381 by M. Hamdi ...

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Hyper-Threading, Chip multiprocessors and both PowerPoint PPT Presentation

Hyper-Threading, Chip multiprocessors and both - Title: Hyperthreading Author: Neilin Chakrabarty Last modified by: Zoran Jovanovic Created Date: 4/3/2004 3:49:55 AM Document presentation format

Title: Hyperthreading Author: Neilin Chakrabarty Last modified by: Zoran Jovanovic Created Date: 4/3/2004 3:49:55 AM Document presentation format

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Multicores, Multiprocessors, and Clusters - Chapter 7 Multicores ... software Devising appropriate architectures Many reasons for optimism ... Time 7.8 Introduction to Multiprocessor Network Topologies ...

Chapter 7 Multicores ... software Devising appropriate architectures Many reasons for optimism ... Time 7.8 Introduction to Multiprocessor Network Topologies ...

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Optimistic Intra-Transaction Parallelism on Chip-Multiprocessors PowerPoint PPT Presentation

Optimistic Intra-Transaction Parallelism on Chip-Multiprocessors - Optimistic Intra-Transaction Parallelism on. Chip-Multiprocessors. Chris Colohan1, ... Transaction chopping (Shasha95) 14. Outline. Introduction. Related work ...

Optimistic Intra-Transaction Parallelism on. Chip-Multiprocessors. Chris Colohan1, ... Transaction chopping (Shasha95) 14. Outline. Introduction. Related work ...

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Shared Memory Multiprocessors - powerful high-level abstraction boils down to specific, simple low-level mechanisms ... Performance depends heavily on memory hierarchy. Managed by hardware ...

powerful high-level abstraction boils down to specific, simple low-level mechanisms ... Performance depends heavily on memory hierarchy. Managed by hardware ...

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Shared Memory Multiprocessors - How best to exploit ... 'New' models: seek to offer a more transparent way of ... Time warp... As it turns out, Disco found a commercially ...

How best to exploit ... 'New' models: seek to offer a more transparent way of ... Time warp... As it turns out, Disco found a commercially ...

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1. Review of Multiprocessors and Fault Tolerance PowerPoint PPT Presentation

1. Review of Multiprocessors and Fault Tolerance - 8. Fault Tolerance in Software 8.1 Introduction Is it true that a program that has once performed a given task as specified will continue to do so?

8. Fault Tolerance in Software 8.1 Introduction Is it true that a program that has once performed a given task as specified will continue to do so?

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Disco: Running Commodity Operating Systems on Scalable Multiprocessors PowerPoint PPT Presentation

Disco: Running Commodity Operating Systems on Scalable Multiprocessors - Disco: Running Commodity Operating Systems on Scalable Multiprocessors E. Bugnion, S Devine, and M Rosenblum Stanford University Presented by: Aaron J Beach

Disco: Running Commodity Operating Systems on Scalable Multiprocessors E. Bugnion, S Devine, and M Rosenblum Stanford University Presented by: Aaron J Beach

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Shared Memory Multiprocessors - Snoopy Protocols these are for bus ... Definition of Snoopy Protocol. ECE, ... Snoopy protocol. set of states. state-transition diagram ...

Snoopy Protocols these are for bus ... Definition of Snoopy Protocol. ECE, ... Snoopy protocol. set of states. state-transition diagram ...

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CSCE 432/832 High Performance Processor Architectures Introduction to Multiprocessors PowerPoint PPT Presentation

CSCE 432/832 High Performance Processor Architectures Introduction to Multiprocessors - Introduction to Multiprocessors Adopted from Professor David Patterson Electrical Engineering and Computer Sciences University of California, Berkeley

Introduction to Multiprocessors Adopted from Professor David Patterson Electrical Engineering and Computer Sciences University of California, Berkeley

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Chapter Nine Multiprocessors PowerPoint PPT Presentation

Chapter Nine Multiprocessors - Programming models: Each processor has only local variables. ... Mesh, Tori , K-ary n-cube. Hypercube. Multi-stage networks (cross-bars and Omega networks) ...

Programming models: Each processor has only local variables. ... Mesh, Tori , K-ary n-cube. Hypercube. Multi-stage networks (cross-bars and Omega networks) ...

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Exploiting Fine-Grained Data Parallelism with Chip Multiprocessors and Fast Barriers PowerPoint PPT Presentation

Exploiting Fine-Grained Data Parallelism with Chip Multiprocessors and Fast Barriers - Exploiting Fine-Grained Data Parallelism with Chip Multiprocessors and Fast Barriers Jack Sampson*, Rub n Gonz lez , Jean-Francois Collard , Norman P. Jouppi ...

Exploiting Fine-Grained Data Parallelism with Chip Multiprocessors and Fast Barriers Jack Sampson*, Rub n Gonz lez , Jean-Francois Collard , Norman P. Jouppi ...

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Lecture 19: Shared-Memory Multiprocessors PowerPoint PPT Presentation

Lecture 19: Shared-Memory Multiprocessors - Lecture 19: Shared-Memory Multiprocessors Topics: coherence protocols for symmetric shared-memory multiprocessors (Sections 4.1-4.2) *

Lecture 19: Shared-Memory Multiprocessors Topics: coherence protocols for symmetric shared-memory multiprocessors (Sections 4.1-4.2) *

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Multiprocessors Parallel Computing PowerPoint PPT Presentation

Multiprocessors Parallel Computing - We have looked at various ways of increasing a single processor ... Lockstep. All Ps do the same or nothing. 29. COMP381 by M. Hamdi. MIMD Shared Memory Systems ...

We have looked at various ways of increasing a single processor ... Lockstep. All Ps do the same or nothing. 29. COMP381 by M. Hamdi. MIMD Shared Memory Systems ...

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Thread Scheduling for Multiprogrammed Multiprocessors PowerPoint PPT Presentation

Thread Scheduling for Multiprogrammed Multiprocessors - A program partitions the work into (user-level) threads to expose all of the parallelism. A computation may create millions of threads. ...

A program partitions the work into (user-level) threads to expose all of the parallelism. A computation may create millions of threads. ...

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Integrating Memory Compression and Decompression with Coherence Protocols in DSM Multiprocessors PowerPoint PPT Presentation

Integrating Memory Compression and Decompression with Coherence Protocols in DSM Multiprocessors - Integrating Memory Compression and Decompression with Coherence Protocols in DSM Multiprocessors Lakshmana R Vittanala Mainak Chaudhuri Intel IIT Kanpur

Integrating Memory Compression and Decompression with Coherence Protocols in DSM Multiprocessors Lakshmana R Vittanala Mainak Chaudhuri Intel IIT Kanpur

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Shared Memory Multiprocessors Cache Coherence PowerPoint PPT Presentation

Shared Memory Multiprocessors Cache Coherence - Bus Snoopy Cache Coherence protocols ... An Example Snoopy Protocol (MSI) Invalidation protocol, write-back cache ... Similar to snoopy protocol: three states ...

Bus Snoopy Cache Coherence protocols ... An Example Snoopy Protocol (MSI) Invalidation protocol, write-back cache ... Similar to snoopy protocol: three states ...

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5. Basic Approaches to Achieve Fault Tolerance in Multiprocessors PowerPoint PPT Presentation

5. Basic Approaches to Achieve Fault Tolerance in Multiprocessors - 5. Basic Approaches to Achieve Fault Tolerance in Multiprocessors 5.1 Static, or Masking Redundancy N copies of each processor are used and the minimum degree of ...

5. Basic Approaches to Achieve Fault Tolerance in Multiprocessors 5.1 Static, or Masking Redundancy N copies of each processor are used and the minimum degree of ...

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Multiprocessors - Using every possible technique to speedup single-processor systems... Processors run the same program, but don't have to stay in lockstep. 8/19/09. 6 ...

Using every possible technique to speedup single-processor systems... Processors run the same program, but don't have to stay in lockstep. 8/19/09. 6 ...

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Cache Performance, Interfacing, Multiprocessors CPSC 321 PowerPoint PPT Presentation

Cache Performance, Interfacing, Multiprocessors CPSC 321 - Miss penalty 40 cycles for all misses ... huge miss penalty, thus pages should be fairly large (e.g., 4KB) ... Incredible high penalty for a page fault ...

Miss penalty 40 cycles for all misses ... huge miss penalty, thus pages should be fairly large (e.g., 4KB) ... Incredible high penalty for a page fault ...

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Chapter 6: Multiprocessors Part 2 PowerPoint PPT Presentation

Chapter 6: Multiprocessors Part 2 - Memory consistency models (Section 6.8) Parallel Programming Example ... main(argc, argv) int argc; char *argv; Read(A); Read(B) ...

Memory consistency models (Section 6.8) Parallel Programming Example ... main(argc, argv) int argc; char *argv; Read(A); Read(B) ...

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Chapter 4: Multiprocessors and Thread-Level Parallelism PowerPoint PPT Presentation

Chapter 4: Multiprocessors and Thread-Level Parallelism - Title: EECS 252 Graduate Computer Architecture Lec 01 - Introduction Last modified by: Costas Created Date: 1/12/2005 3:15:41 PM Document presentation format

Title: EECS 252 Graduate Computer Architecture Lec 01 - Introduction Last modified by: Costas Created Date: 1/12/2005 3:15:41 PM Document presentation format

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CSCI 6380 Multiprocessors PowerPoint PPT Presentation

CSCI 6380 Multiprocessors - Protocol: arbitration, command/addr, data. Every device observes every transaction ... gets a hit in L2 cache, then it must arbitrate for the L1 cache to update the ...

Protocol: arbitration, command/addr, data. Every device observes every transaction ... gets a hit in L2 cache, then it must arbitrate for the L1 cache to update the ...

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Exploring Core Designs for Chip Multiprocessors PowerPoint PPT Presentation

Exploring Core Designs for Chip Multiprocessors - Commercial workloads will not benefit much from OOO / wide-issue ... ROB, instruction window, and # functional units halved for 2-wide processor. Results ...

Commercial workloads will not benefit much from OOO / wide-issue ... ROB, instruction window, and # functional units halved for 2-wide processor. Results ...

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Multiprocessors and Thread-Level Parallelism CS 282 PowerPoint PPT Presentation

Multiprocessors and Thread-Level Parallelism CS 282 - Title: EECS 252 Graduate Computer Architecture Lec 01 - Introduction Last modified by: mudawar Created Date: 1/12/2005 3:15:41 PM Document presentation format

Title: EECS 252 Graduate Computer Architecture Lec 01 - Introduction Last modified by: mudawar Created Date: 1/12/2005 3:15:41 PM Document presentation format

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Cache Coherence Protocols in Shared Memory Multiprocessors PowerPoint PPT Presentation

Cache Coherence Protocols in Shared Memory Multiprocessors - Cache Coherence Protocols in Shared Memory Multiprocessors Mehmet envar Outline Introduction Background Information The cache coherence problem Cahce Enforcement ...

Cache Coherence Protocols in Shared Memory Multiprocessors Mehmet envar Outline Introduction Background Information The cache coherence problem Cahce Enforcement ...

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Issues in Multiprocessors - ... single data stream systolic arrays example: ... most processor companies have MP configurations CM-1 Systolic Array MIMD Low-end bus-based simple, ...

... single data stream systolic arrays example: ... most processor companies have MP configurations CM-1 Systolic Array MIMD Low-end bus-based simple, ...

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Multiprocessors and Multithreading PowerPoint PPT Presentation

Multiprocessors and Multithreading - creator can wait for children. pthread_join(child_tid) synchronization. mutex. condition variables ... Memory Layout. MT program has a per-thread stack ...

creator can wait for children. pthread_join(child_tid) synchronization. mutex. condition variables ... Memory Layout. MT program has a per-thread stack ...

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CPE 731 Advanced Computer Architecture Directory Based Multiprocessors PowerPoint PPT Presentation

CPE 731 Advanced Computer Architecture Directory Based Multiprocessors - Directory Based Multiprocessors Dr. Gheith Abandah Adapted from the s of Prof. David Patterson, University of California, Berkeley CS252 S05 * CS252 S05 * CS252 ...

Directory Based Multiprocessors Dr. Gheith Abandah Adapted from the s of Prof. David Patterson, University of California, Berkeley CS252 S05 * CS252 S05 * CS252 ...

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CPE 631 Session 20: Multiprocessors PowerPoint PPT Presentation

CPE 631 Session 20: Multiprocessors - Bus is single point of arbitration. 9/25/09. UAH-CPE 631. 22. Write Invalidate versus Update ... Arbitrate for bus. Place miss on bus and complete operation ...

Bus is single point of arbitration. 9/25/09. UAH-CPE 631. 22. Write Invalidate versus Update ... Arbitrate for bus. Place miss on bus and complete operation ...

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Chapter 9 Multiprocessors and Clusters PowerPoint PPT Presentation

Chapter 9 Multiprocessors and Clusters - Processors share a single address space ... UMA vs. NUMA ... Non-uniform memory access (NUMA): some memory accesses are faster than others ...

Processors share a single address space ... UMA vs. NUMA ... Non-uniform memory access (NUMA): some memory accesses are faster than others ...

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CPE 731 Advanced Computer Architecture Snooping Cache Multiprocessors PowerPoint PPT Presentation

CPE 731 Advanced Computer Architecture Snooping Cache Multiprocessors - Snooping Cache Multiprocessors Dr. Gheith Abandah Adapted from the s of Prof. David Patterson, University of California, Berkeley CS252 S05 * CS252 S05 * Invalid ...

Snooping Cache Multiprocessors Dr. Gheith Abandah Adapted from the s of Prof. David Patterson, University of California, Berkeley CS252 S05 * CS252 S05 * Invalid ...

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The Thrifty Barrier Energy-Aware Synchronization in Shared-Memory Multiprocessors PowerPoint PPT Presentation

The Thrifty Barrier Energy-Aware Synchronization in Shared-Memory Multiprocessors - watchdog timer anticipates wake-up. The Thrifty Barrier Li, Mart nez, and Huang ... states along lines of Pentium family. The Thrifty Barrier Li, Mart nez, ...

watchdog timer anticipates wake-up. The Thrifty Barrier Li, Mart nez, and Huang ... states along lines of Pentium family. The Thrifty Barrier Li, Mart nez, ...

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Protocol Design Space of Snooping Cache Coherent Multiprocessors PowerPoint PPT Presentation

Protocol Design Space of Snooping Cache Coherent Multiprocessors - after write issues, the issuing process waits for the write to complete before ... p0 waits for it to be zero, then does work and sets it one ...

after write issues, the issuing process waits for the write to complete before ... p0 waits for it to be zero, then does work and sets it one ...

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Resource augmentation and on-line scheduling on multiprocessors PowerPoint PPT Presentation

Resource augmentation and on-line scheduling on multiprocessors - Optimal time-critical scheduling via resource ... (Ik 1 Qk 1) is Iq for some q k. By IH, EDF on m (1 - 2/m)-speed procs meets all deadlines for Iq ...

Optimal time-critical scheduling via resource ... (Ik 1 Qk 1) is Iq for some q k. By IH, EDF on m (1 - 2/m)-speed procs meets all deadlines for Iq ...

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Event-Driven Scalability Predictors: Improving Energy-Efficiency under Hard Performance Constraints on Multiprocessors PowerPoint PPT Presentation

Event-Driven Scalability Predictors: Improving Energy-Efficiency under Hard Performance Constraints on Multiprocessors - Event-Driven Scalability Predictors: Improving Energy-Efficiency under Hard Performance Constraints on Multiprocessors Dimitris Nikolopoulos

Event-Driven Scalability Predictors: Improving Energy-Efficiency under Hard Performance Constraints on Multiprocessors Dimitris Nikolopoulos

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CS 258 Parallel Computer Architecture Lecture 11 Shared Memory Multiprocessors PowerPoint PPT Presentation

CS 258 Parallel Computer Architecture Lecture 11 Shared Memory Multiprocessors - Processors see different values for u after event 3 ... only one copy of code/data used by both proc. Can share data within a line without 'ping-pong' ...

Processors see different values for u after event 3 ... only one copy of code/data used by both proc. Can share data within a line without 'ping-pong' ...

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Multiprocessors PowerPoint PPT Presentations