PPT-Unifying Primary Cache, Scratch, and Register File Memories

Mark Gebhart 12 Stephen W Keckler 12 Brucek Khailany 2 Ronny Krashinsky 2 William J Dally 23 1 The University of Texas at Austin 2 NVIDIA 3 Stanford University Methodology. Agenda. Introduction and Motivation. Understanding the problem. Improvements to the platform. Application guidelines. Optimizing “throughput oriented” applications. Optimizing “interactive” applications. Jeff Chheng. Jun Du. Distributed file system. Designed for scalability, security, and high availability. Descendant of version 2 of Andrew File System (AFS), so follows same organization. Virtue .  . Aditya . Raigarhia. and Ashish . Gehani. Stanford and SRI. ACM Symposium on Applied Computing (SAC). Sierre. , Switzerland, March 22-26, 2010. Introduction (1 of 2). Developing in-kernel file systems challenging. System. with . Efficient Integrity Checks. Marten van. . Dijk. Ari . Juels. Alina. . Oprea. RSA Labs. RSA Labs. RSA Labs. marten.vandijk@rsa.com. ari.juels@rsa.com. alina.oprea@rsa.com. Emil Stefanov. Dan C. Marinescu. Office: HEC 304. Office hours: M-. Wd. 11:30 - 12:30 . A. M. Last time: . Page replacement algorithms. Implementation of paging. Hit and miss ratios. Performance penalties. Today. Fast Performance Recovery. Using a Virtual Machine Monitor. Kenichi Kourai. Kyushu Institute of Technology, Japan. OS Recovery. OS reboot is a final but powerful recovery technique. For recovery from OS crashes. (NCTE/Lero. ). Summer Course 2012. Module 2. © Lero, NCTE 2012 . Module 2 will cover:. The use of Scratch operators to round numbers to a certain place value. The exploration of writing and designing algorithms on paper. Memory Wall . The . growing disparity of speed between CPU and memory outside the CPU . chip. Bandwidth wall: limited . communication bandwidth beyond chip . boundaries. Solution . Memory hierarchy . Register File Access: Overview. I-Fetch. Decode. RF. PRF. D-Cache. Data. All Hit?. Writeback. s. calar. P. ipeline. s. calar. pipeline. s. calar. pipeline. Issue. I-Buffer. p. ending warps. RF n-1. RF n-2. Direct-mapped caches. Set-associative caches. Impact of caches on performance. CS 105. Tour of the Black Holes of Computing. Cache Memories. C. ache memories . are small, fast SRAM-based memories managed automatically in hardware. 1 Memory & Cache Memories: Review 2 Memory is required for storing Data Instructions Different memory types Dynamic RAM Static RAM Read-only memory (ROM) Characteristics Access time Price Volatility Mohammad . Sadrosadati. Amirhossein. . Mirhosseini. Seyed. . Borna. . Ehsani. Hamid . Sarbazi. -Azad. Mario . Drumond. Babak. . Falsafi. Rachata. . Ausavarungnirun. Onur. . Mutlu. Register file size limits GPU scalability . (NCTE/Lero. ). Summer Course 2012. Module 5. © Lero, NCTE 2012 . Module 5 will cover:. Review of concepts covered. Review of Lesson Plans and other resources. Group, paired or individual planning on ways to use Scratch in the Mathematics classroom. 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.