How to measure a computer performance ? 2. Suppose we have a program runs in 100 seconds on a computer, and the multiplication subroutine takes 40 seconds. If we want the program to run 30% faster, how many seconds do we have to improve the multiplication subroutine ? 3. There are 2 computers. Computer A clock cycle time is 350ps, CPI is 3. Computer B clock cycle time is 400ps, CPI is 2.5. Which computer runs faster on same program ?
How to measure a computer performance ? 2. Suppose we have a program runs in 100 seconds on a computer, and the multiplication subroutine takes 40 seconds. If we want the program to run 30% faster, how many seconds do we have to improve the multiplication subroutine ? 3. There are 2 computers. Computer A clock cycle time is 350ps, CPI is 3. Computer B clock cycle time is 400ps, CPI is 2.5. Which computer runs faster on same program ?
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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