454 cycle counters

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Unformatted text preview: . . . . . . . . 454 Cycle Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 459 Measuring Program Execution Time with Cycle Counters . . . . . . . . . . . . . . . . . . . 460 Time-of-Day Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476 Putting it Together: An Experimental Protocol . . . . . . . . . . . . . . . . . . . . . . . . . 478 Looking into the Future . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480 Life in the Real World: An Implementation of the à -Best Measurement Scheme . . . . . . 480 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 481 485 10 Virtual Memory 10.1 Physical and Virtual Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486 10.2 Address Spaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487 10.3 VM as a Tool for Caching . . . . . . . . . . . . . . ....
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