PDF-Multiprocessor Design I:

Page 1 SnoopBased Multiprocessor Design I Base DesignTodd C Mowry CS 418 CS 418 Feb 23 24 2011 Design Goalscostdepend on CorrectnessHigh PerformanceOften at oddsHigh Performance multiple ou. coprocessor 8087 2 closely coupled 8089 3 loosely coupled Multibus Coprocessors and closely coupled configurations are similar in that both the CPU and the external processor share Memory IO system Bus bus control logic Clock generator Closely Tullsen University of California San Diego asvenkattullsencsucsdedu Abstract Heterogeneous multicore architectures have the potential for high performance and energy ef64257ciency These architec tures may be composed of small poweref64257cient cores Companion slides for. The Art of Multiprocessor Programming. by Maurice Herlihy & Nir Shavit. Art of Multiprocessor Programming. 2. Focus so far: Correctness and Progress. Models. Accurate . (we never lied to you). The Art of Multiprocessor Programming. by Maurice Herlihy & . Nir. . Shavit. Concurrent Skip Lists. 2. Set Object Interface. Collection of elements. No duplicates. Methods. add(). a new element. Companion slides for. The Art of Multiprocessor Programming. by Maurice . Herlihy. & . Nir. . Shavit. TexPoint fonts used in EMF. . Read the TexPoint manual before you delete this box.: . A. A. Companion slides for. The Art of Multiprocessor Programming. by Maurice Herlihy & Nir Shavit. Art of Multiprocessor Programming. 2. Focus so far: Correctness and Progress. Models. Accurate . (we never lied to you). The Art of Multiprocessor Programming. by Maurice Herlihy & Nir Shavit. Art of Multiprocessor Programming. 2. Review: . Amdahl. '. s . Law. Speedup =. Shared Data Structures. 75%. Unshared. 25%. Shared. Companion slides for. The Art of Multiprocessor Programming. by Maurice Herlihy & Nir Shavit. Art of Multiprocessor Programming. 2. Shared-Memory Computability. Mathematical model of . concurrent. The Art of Multiprocessor Programming. by Maurice Herlihy & Nir Shavit. Art of Multiprocessor Programming. 2. Simple Video Game. Prepare frame for display. By graphics coprocessor. “soft real-time” application. Companion slides for. The Art of Multiprocessor Programming. by Maurice Herlihy & Nir Shavit. Art of Multiprocessor Programming. 2. A Shared Pool. Put. Insert item. block if full. Remove. Remove & return item. 2. Mutual Exclusion. We will clarify our understanding of mutual exclusion. We will also show you how to reason about various properties in an asynchronous concurrent setting. Art of Multiprocessor Programming. Companion slides for. The Art of Multiprocessor Programming. by Maurice . Herlihy. & . Nir. . Shavit. Turing Computability. A mathematical model of computation. Computable = Computable on a T-Machine. 1. Chapter 10. Multiprocessor and. Real-Time Scheduling. BYU CS 345. Chapter 10 - Multiprocessor and Read-Time Scheduling. 2. Classifications of Multiprocessors. Loosely coupled multiprocessor.. each processor has its own memory and I/O channels. Companion slides for. The Art of Multiprocessor Programming. by Maurice Herlihy & Nir Shavit. Art of Multiprocessor Programming. 2. 2. The Five-Fold Path. Coarse-grained locking. Fine-grained locking.