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Consider that you hav excention 1 and 30%

Consider that you hav excention 1 and 30%

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Computer Science

Problem 2 Consider that you have a code of 400,000 instructions which is executed using a 16 stages pipeline. It is expected that 20% of the instructions will cause exception 1 and 30% that will cause exception 2. In order to handle the exception 1, there is an exception handler which is using 20 cycles to execute (includes the flushing and reloading of the pipeline and the actual handling of the exception). The handler for the exception 2 runs for 10 cycles (includes the flushing and reloading of the pipeline and the actual handling of the exception). The pipeline frequency is 2.5 GHz i) How many cycles does it take to execute the code? ii) What is the average CPI for this code? iii) How long does it take to execute the code?
Transcribed Image Text:Problem 2 Consider that you have a code of 400,000 instructions which is executed using a 16 stages pipeline. It is expected that 20% of the instructions will cause exception 1 and 30% that will cause exception 2. In order to handle the exception 1, there is an exception handler which is using 20 cycles to execute (includes the flushing and reloading of the pipeline and the actual handling of the exception). The handler for the exception 2 runs for 10 cycles (includes the flushing and reloading of the pipeline and the actual handling of the exception). The pipeline frequency is 2.5 GHz i) How many cycles does it take to execute the code? ii) What is the average CPI for this code? iii) How long does it take to execute the code?
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