'Disk bandwidth' diaporamas de présentation

Interfacing Processor and Peripherals

Interfacing Processor and Peripherals. Overview. Introduction. I/O often viewed as second class to processor design Processor research is cleaner System performance given in terms of processor Courses often ignore peripherals Writing device drivers is not fun

884 views • 60 slides

Chapter 12: Mass-Storage Systems

Chapter 12: Mass-Storage Systems. Chapter 12: Mass-Storage Systems. Overview of Mass Storage Structure Disk Structure Disk Attachment Disk Scheduling Disk Management Swap-Space Management RAID Structure Disk Attachment Stable-Storage Implementation Tertiary Storage Devices

593 views • 49 slides

Mass-Storage Systems

Mass-Storage Systems. Magnetic disks provide bulk of secondary storage of modern computers Drives rotate at 60 to 200 times per second Transfer rate is rate at which data flow between drive and computer

597 views • 46 slides

Process Resource Manager

462 views • 45 slides

Performance

454 views • 31 slides

Performance

312 views • 31 slides

Video-on-Demand

Video-on-Demand. Nick Caggiano Walter Phillips. Video-on-Demand. What is Video-on-Demand? Storage, transmission, and display of archived video files in a networked environment Most popularly used to watch movies offered by cable provider

487 views • 28 slides

Video Staging: A Proxy-Server-Based Approach to End-to-End Video Delivery over Wide-Area Networks

Video Staging: A Proxy-Server-Based Approach to End-to-End Video Delivery over Wide-Area Networks. Zhi-Li Zhang, Yuewei Wang, David H. C. Du, Dongli Su IEEE/ACM TRANSACTIONS ON NETWORKING, AUGUEST 2000. Outline. Introduction Video Staging: A Single Video Case without Smoothing

383 views • 21 slides

Ruthless Testing

Ruthless Testing. CSSE 514 Programming Methods 4/17/01. Overview. Test Early, Test Often, Test Automatically What to Test Unit Testing Integration Testing Validation and Verification Resource Exhaustion, Errors and Recovery Performance Testing Usability Testing How to Test

1.14k views • 19 slides

Security & Performance Tuning

364 views • 19 slides

Performance Analysis

Performance Analysis. huanghs. Help! My system is slow!. http://people.freebsd.org/~kris/scaling/Help_my_system_is_slow.pdf. What you can do to improve performance. Memory size has a major influence on performance Correct the problems of usage Load balance appliance

358 views • 18 slides

Performance Analysis

Performance Analysis. Help! My system is slow!. http://people.freebsd.org/~kris/scaling/Help_my_system_is_slow.pdf. What you can do to improve performance. Memory size has a major influence on performance Correct the problems of usage Load balance appliance

272 views • 18 slides

A Case for Virtualizing Nodes on Network Experimentation Testbeds

277 views • 16 slides

Video Staging: A Proxy-Server-Based Approach to End-to-End Video Delivery over Wide-Area Networks

Video Staging: A Proxy-Server-Based Approach to End-to-End Video Delivery over Wide-Area Networks. Zhi-Li Zhang, Yuewei Wang, David H.C Du, Dongli Su. ???? ?????????? ?-344. Introduction.

311 views • 16 slides

Chapter 25 Performance Analysis

Chapter 25 Performance Analysis. Factors that affect Performance. Four major resources CPU Time Memory Hard disk I/O bandwidth Network I/O bandwidth Where is the real bottleneck Not CPU, hard disk bandwidth it is !!

113 views • 11 slides

Why out-of-core?

78 views • 1 slides