13. Suppose you have a collection of 500 large images stored in files, one image per...
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13. Suppose you have a collection of 500 large images stored in files, one image per file, and you wish to "animate" these images by displaying them in sequence on a workstation at a rate of at least 15 images per second over a high-speed network. Your secondary storage consists of a disk farm with 30 disk drives, and your disk manager permits strip- ing over as many as 30 drives, if you request it. Your drives are guar- anteed to perform I/O at a steady rate of 2 megabytes per second. Each image is 3 megabytes in size. Network transmission speeds are not a problem. a. Describe in broad terms the steps involved in doing such an animation in real time from disk. b. Describe the performance issues that you have to consider in implementing the animation. Use numbers. c. How might you configure your I/O system to achieve the desired performance? 13. Suppose you have a collection of 500 large images stored in files, one image per file, and you wish to "animate" these images by displaying them in sequence on a workstation at a rate of at least 15 images per second over a high-speed network. Your secondary storage consists of a disk farm with 30 disk drives, and your disk manager permits strip- ing over as many as 30 drives, if you request it. Your drives are guar- anteed to perform I/O at a steady rate of 2 megabytes per second. Each image is 3 megabytes in size. Network transmission speeds are not a problem. a. Describe in broad terms the steps involved in doing such an animation in real time from disk. b. Describe the performance issues that you have to consider in implementing the animation. Use numbers. c. How might you configure your I/O system to achieve the desired performance?
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a Assume that the images are in a directory called images and that the disk drives are in a RAID arr... View the full answer
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Project Management A Managerial Approach
ISBN: 978-0470226216
7th Edition
Authors: Jack R. Meredith, Samuel J. Mantel,
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