PPT-Symmetric Shared Memory Architecture

Presented By Rahul MTech CSE GBPEC Pauri Contents Introduction Symmetric memory architecture Advantages The limitations Addressing the limitations Problem with more than one copy in caches. Shared memory. Process A. Process B. Physical Memory. Virtual address space A. Virtual address space B. Share. Share. Share. Instruction memory. Data. Instruction memory. Data. Create a shared memory region. U . Wisc. and HP Labs. ISCA’13. Architecture Reading Club Summer'13. 1. Key points. Big memory workloads . Memcached. , databases, graph analysis . Analysis shows. TLB misses can account for . upto. NVIDIA Corporation. Tesla GPU Computing. A Revolution in High Performance Computing. Agenda. CUDA Review. Architecture. Programming Model. Memory Model. CUDA C. CUDA General Optimizations. Fermi. Next Generation Architecture. A Complete GPU Compute Architecture by NVIDIA. Tamal. . Saha. , . Abhishek. . Rawat. , Minh Le. {ts4rq, ar8eb, ml4nw}@. virginia.edu. GPU Computing. Unprecedented FP performance. Ideal for data parallel applications. Processor . Architecture . Types. Memory . Access . Architectures. Shared . Memory . Model & the . Mutex. Lecturer:. Simon Winberg. Digital Systems. EEE4084F. Attribution-. ShareAlike. 4.0 International (CC BY-SA 4.0). What is Multiprocessing?. Enables several programs to run concurrently. Coordinated processing of Programs by more than one processor. Use of 2 or more CPUs within a single computer system. Ability of a system to support more than one processor and to allocate tasks between them. Ken Williams. North Carolina A&T State University. A Brief History of. Computer Security. At one time only a limited number of people were allowed to use a computer. If you caused a problem, you were probably the person who had to fix it. Instructor:Mikko. H . Lipasti. Spring . 2017. University of Wisconsin-Madison. Lecture notes based on slides created by John . Shen. , Mark Hill, David Wood, . Guri. . Sohi. , Jim Smith, Natalie Enright . Yao Wang, Andrew . Ferraiuolo. , G. Edward . Suh. Feb 17. th. 2014. Executive Summary. Observation:. Modern computing systems are vulnerable to . timing channel attacks. Problem: . No hardware techniques exist to eliminate timing channels through . Digital Systems. EEE4084F. Attribution-. ShareAlike. 4.0 International (CC BY-SA 4.0). Lecture Overview. Classic parallel programming techniques. Processor Architecture Types. Von Neumann. Class activity. Hagersten. , . Landin. , and . Haridi. (1991). Presented by Patrick . Eibl. Outline. Basics of Cache-Only Memory Architectures. The Data Diffusion Machine (DDM). DDM Coherence Protocol. Examples of Replacement, Reading, Writing. Lecture 20. April . 9. th. , . 2012. Distributed Shared Memory. Prof John D. Kubiatowicz. http://www.cs.berkeley.edu/~kubitron/cs252. LD. 1. A .  5. LD. 2. B  7. LD. 5. B .  2. ST. 1. A,6. Lecture 19. April . 4. th. , . 2012. Bus-Based Shared Memory (. Con’t. ). Distributed Shared Memory. Prof John D. Kubiatowicz. http://www.cs.berkeley.edu/~kubitron/cs252. Recall: Natural Extensions of Memory System. Lecture 21. April . 11. th. , . 2012. Distributed Shared Memory (. con’t. ). Synchronization. Prof John D. Kubiatowicz. http://www.cs.berkeley.edu/~kubitron/cs252. Recall: Sequential Consistency of Directory Protocols.