'Dram access' presentation slideshows

The Memory Hierarchy Cache, Main Memory, and Virtual Memory (Part 2)

The Memory Hierarchy Cache, Main Memory, and Virtual Memory (Part 2). Lecture for CPSC 5155 Edward Bosworth, Ph.D. Computer Science Department Columbus State University. Cache Line Replacement. The cache memory is always smaller than the main memory (else why have a cache?).

595 views • 36 slides

Fast Buffer Memory with Deterministic Packet Departures

Fast Buffer Memory with Deterministic Packet Departures. Mayank Kabra, Siddhartha Saha, Bill Lin University of California, San Diego. Packet Buffer in Routers. Linecards. Incoming linecards have 40byte@40Gbps = 8ns to read and write a packet.

375 views • 26 slides

Why Latency Lags Bandwidth, and What it Means to Computing

Why Latency Lags Bandwidth, and What it Means to Computing. David Patterson U.C. Berkeley patterson@cs.berkeley.edu October 2004. Preview: Latency Lags Bandwidth. Over last 20 to 25 years, for 4 disparate technologies, Latency Lags Bandwidth: Bandwidth Improved 120X to 2200X

560 views • 25 slides

Computer Systems are Different!

344 views • 24 slides

L7: Performance

L7: Performance. Sam Madden madden@csail.mit.edu 6.033 Spring 2014. Overview. Technology fixes some performance problems Ride the technology curves if you can Some performance requirements require thinking An increase in load may need redesign: Batching Caching Scheduling Concurrency

367 views • 21 slides