Your company could speed up a Java program on their new computer by adding hardware support for garbage collection. Garbage collection currently comprises 20% of the cycles of the program. You have two possible changes to the machine. The first one would be to automatically handle garbage collection in hardware. This causes an increase in cycle time by a factor of 1.2. The second would be to provide for new hardware instructions to be added to the ISA that could be used during garbage collection. This would halve the number of instruction needed for garbage collections but increase the cycle time by 1.1. Which of these two options, if either, should you choose? Explain your answer.
Your company could speed up a Java program on their new computer by adding hardware support for garbage collection. Garbage collection currently comprises 20% of the cycles of the program. You have two possible changes to the machine. The first one would be to automatically handle garbage collection in hardware. This causes an increase in cycle time by a factor of 1.2. The second would be to provide for new hardware instructions to be added to the ISA that could be used during garbage collection. This would halve the number of instruction needed for garbage collections but increase the cycle time by 1.1. Which of these two options, if either, should you choose? Explain your answer.
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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