'Memory allocator' diaporamas de présentation

Today

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Dynamic Memory Allocation I

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Memory Management

Memory Management. Chapter 10. Key concepts in chapter 10. Two levels of memory management Linking and loading Dynamic memory allocation Allocating memory to processes Memory management system calls. Two levels of memory management. Creating a load module. Header information

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Introduction to Computer Systems 15-213/18-243, spring 2010 18 th Lecture, Mar. 25 th

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Chapter 10: Pointers

Chapter 10: Pointers. Chapter Goals To learn how to declare, initialize and use pointers To become familiar with dynamic memory allocation and deal location To use pointers in common programming situations that involve optional and shared objects

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Address-Value Delta (AVD) Prediction

Address-Value Delta (AVD) Prediction. Onur Mutlu Hyesoon Kim Yale N. Patt. What is AVD Prediction?. A new prediction technique used to break the data dependencies between dependent load instructions. Talk Outline. Background on Runahead Execution The Problem: Dependent Cache Misses

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CS 3214 Computer Systems

CS 3214 Computer Systems. Automatic Memory Management/GC. Some of the following slides are taken with permission from Complete Powerpoint Lecture Notes for Computer Systems: A Programmer's Perspective (CS:APP) Randal E. Bryant and David R. O'Hallaron

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CS 3214 Introduction to Computer Systems

CS 3214 Introduction to Computer Systems. Godmar Back. Lecture 21. Announcements. Read Chapter 10 Exercise 11 due Nov 12 Project 4 Should complete before Thanksgiving, but will accept submissions without using late days until Nov 24

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CS 3214 Computer Systems

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Dynamic Memory Allocation I

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Dynamic Memory Allocation I

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Thrashing and Memory Management

Thrashing and Memory Management. Thrashing. Processes in system require more memory than is there Keep throwing out page that will be referenced soon So, they keep accessing memory that is not there Why does it occur? No good reuse, past != future There is reuse, but process does not fit

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Flexible Reference-Counting-Based Hardware Acceleration for Garbage Collection

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Formally Certified Virtual Memory Manager

Formally Certified Virtual Memory Manager. Quick Refresher. Verifying VMM using multi-machine v erification Verify each module at natural level of abstraction Use refinement to connect modules Framework makes the process easier Benefits: Easier verification Enforces hard modularity

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