Chapter 6 Storage and Other I/O Topics 28 I/O vs. CPU Performance Amdahls Law Dont neglect I/O performance as parallelism increases compute performanc
{"Image DocumentName": "Morgan Kaufmann Publishers", "Image ImageDescription": "25 March, I/O vs. CPU Performance. Amdahl\u2019s Law. Don\u2019t neglect I/O performance as parallelism increases compute performance. Example. Benchmark takes 90s CPU time, 10s I/O time. Double the number of CPUs/2 years. I/O unchanged. \u00a76.9 Parallelism and I/O: RAID. Year. CPU time. I/O time. Elapsed time. % I/O time. now. 90s. 10s. 100s. 10% s. 55s. 18% s. 33s. 31% s. 21s. 47% Chapter 6 \u2014 Storage and Other I/O Topics \u2014 28. Chapter 6 \u2014 Storage and Other I/O Topics.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}