Chapter14 - ١ Simulation of Computer Systems A.M. Zareh...

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Unformatted text preview: ١ Simulation of Computer Systems A.M. Zareh Bidoki ٢ Purpose & Overview ¡ Computer systems are composed from timescales “flip” (10-11 sec) to time a human interacts (seconds) ¡ It is a multi level system ٢ ٣ Different Level abstractions ٤ Gate Level ¡ Clock (Delay) ¡ Test Vectors (Boundary scan, BIST) ¢ Evaluate response of the circuit ¢ Find problems like hazards ¡ Number of gates ¡ Number of Pins ٣ ٥ Functional Abstraction ¡ RTL (Register Transfer Language) ¡ For example Memory (An indexed array) ¢ R3=m[R6] ¢ R3=R3-1 ¢ R6=R6+1 ¢ M[R6]=R3 ¡ Time is result of gate level ٦ I/O System Behavior ¡ Execution of computer program ¢ The program execution should be modeled ¢ Markov Chains are used for modeling inputs ¡ The program execution is modeled with randomly sampled CPU and I/O service time ٤ ٧ Simulation Tools ¡ Different simulation tools exist for each level ¡ VHDL ¢ AT low level of abstraction ¢ Modular design ¢ Process based or event based? ¡ SMPL, CSIM,… ٨ Process and Event Oriented Simulation ¡ DES ¢ Trace Driven ¢ Event Based ¢ Process based ¡ It is like OS environment ¢ Resource sharing ¢ Mutual exclusion ¢ Semaphore ¢ Process communication ٥...
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This note was uploaded on 11/13/2011 for the course IE 230 taught by Professor Akbari during the Spring '11 term at Amirkabir University of Technology.

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Chapter14 - ١ Simulation of Computer Systems A.M. Zareh...

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