Program ... If the address we want is in the cache, complete the operation, usually in one cycle ... Example 1. A memory system consists of a cache and a main memory. ...
The Memory Hierarchy & Cache The impact of real memory on CPU Performance. Main memory basic properties: Memory Types: DRAM vs. SRAM The Motivation for The Memory ...
The Memory Hierarchy & Cache The impact of real memory on CPU Performance. Main memory basic properties: Memory Types: DRAM vs. SRAM The Motivation for The Memory ...
Memory Hierarchy Access/Speed Cost/Bit Registers Cache Main Memory Fixed Disk (virtual memory) Tape Floppy Zip CD-ROM CD-RWR Capacity Connection of memory to the ...
Memory Hierarchy Memory Flavors Principle of Locality Program Traces Memory Hierarchies Associativity Read Ch. 5.1-5.4 What Do We Want in a Memory? PC INST MADDR ...
... so that don t wait for lower level memory Write Back Write data to memory only when cache line is replaced We need a Dirty ... quick and/or too many ... growth ...
The gap between CPU performance and main memory speed has been widening with higher performance CPUs creating performance bottlenecks for memory access instructions.
... Motherboard: P4 Heavy Duty Cooling Fan With Heat ... Memory Hierarchy Memory technologies Hierarchical structure Slide 4 Main Memory for Pentium IV ...
Hierarchical Memory Systems Cache memory Prof. Sin-Min Lee Department of Computer Science Cache The lowest level of the hierarchy is a small, high speed memory called ...
The Memory Hierarchy Desired data carried to read/write port, access times in seconds. Most common: racks of tapes; newer devices: CD ROM juke boxes, tape
RAM is packaged as a chip. Basic storage unit is a cell ... Reading a Disk Sector (1) main. memory. ALU. register file. CPU chip. disk. controller. graphics ...
Chapter 5 Large and Fast: Exploiting Memory Hierarchy Morgan Kaufmann Publishers * Chapter 5 Large and Fast: Exploiting Memory Hierarchy * Chapter 5 Large and ...
Lecture 6: Memory Hierarchy and Cache (Continued) Cache: A safe place for hiding and storing things. Webster s New World Dictionary (1976) Jack Dongarra
Memory Hierarchy Ways to Reduce Misses Review: Who Cares About the Memory Hierarchy? Processor Only Thus Far in Course: CPU cost/performance, ISA, Pipelined ...
Title: Lecture 4: Memory Hierarchy and Cache Author: Jack Dongarra Last modified by: Jack Dongarra Created Date: 2/2/1999 7:16:52 PM Document presentation format
Topics Storage technologies and trends Locality of reference Caching in the memory hierarchy Slides come from textbook authors class12.ppt Random-Access Memory (RAM ...
CHAPTER 7 LARGE AND FAST: EXPLOITING MEMORY HIERARCHY Topics to be covered Principle of locality Memory hierarchy Cache concepts and cache organization
Lecture 21: Memory Hierarchy Today s topics: Cache organization Cache hits/misses * * Memory Hierarchy As you go further, capacity and latency increase Registers ...
The course that gives CMU its Zip! The Memory Hierarchy February 19, 2004 Topics Storage technologies and trends Locality of reference Caching in the memory ...
... Hierarchy 2. Exploiting Spatial Locality - Larger than one ... Important concern: Inclusion property. Various Main Memory ... and spatial localities ...
Exploiting Memory Hierarchy. 7.1, 7.2. John Ashman. Memory, The More the Merrier. This introduction will explore ways in which programmers create illusions to ...
Direct Mapped Cache: the Idea. Page 2. Cache. Main. Memory. All addresses ... that handles writes by updating values only to the block in the cache, then ...
Plus a (relatively) small, quickly accessible cache 'closer to you' Works because programs (vis- -vis memory) exhibit. Temporal Locality. Spatial Locality ...
What operands are needed to be relocated (relocatable)? Indicated by ... Immediate operand (constant)? Offset to a base register? Absolute memory address ...
Keep the most often-used data in a small, fast SRAM (often local to CPU chip) ... assigns locations to fast or slow memory, depending on usage patterns. ...
Chip Select must be asserted before Memory will respond to ... Compact Flash (In Digital Cameras) Smart Media (Digital Cameras) Memory Stick (Digital Cameras) ...
Types of misses (the 3 Cs) Main memory organization. DRAM vs. SRAM. Bank organization ... i, *t, t, return result - subroutine linkage. memory locations (data seg) s ...
Lecture 2 Single Processor Machines: Memory Hierarchies and Processor Features Case Study: Tuning Matrix Multiply James Demmel http://www.cs.berkeley.edu/~demmel ...
Memory (hardware) has a cost. Faster memory is more expensive. Computer designers provide the illusion of unlimited fast memory. Architecture. Operating system ...
For out-of-order CPU, memory stall may overlap the execution of other instructions ... Memory stall model is complex and not perfect. Possible definition: ...
... Sourcebook Chapter 3, ... vector multiplication {read x(1:n) into fast memory} {read y(1:n) into fast ... PMaCMAPS, Stream Triad. See section 4.2.1, ...
Eliminate the need for entire program to reside in memory during execution ... Requires use of a high-speed direct access storage device that can work directly ...
CSCE 930 Advanced Computer Architecture---- A Brief Introduction to CMP Memory Hierarchy & Simulators Dongyuan Zhan An Overview of CMP Research Tools The Commonly ...