Let's say that the number of cores that can be used increases by one with each new generation of CPUs that comes out every 18 months. What percentage of additional off-chip memory bandwidth will be required in three years for a central processing unit to maintain the same level of per-core performance as it does today?

Let's say that the number of cores that can be used increases by one with each new generation of CPUs that comes out every 18 months. What percentage of additional off-chip memory bandwidth will be required in three years for a central processing unit to maintain the same level of per-core performance as it does today?

Name: Let's say that the number of cores that can be used increases by one
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Description: Let's say that the number of cores that can be used increases by one with each newgeneration of CPUs that comes out every 18 months. What percentage of additionaloff-chip memory bandwidth will be required in three years for a central processingunit

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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Suppose that every 18 months, new generations of CPUs add another core to the number that can be used. Three years from now, how much extra off-chip memory bandwidth will be needed for a CPU to keep up with the same level of per-core speed?
Let's pretend that every 18 months a new generation of processors comes out that has twice as many cores as the last. How much more off-chip memory bandwidth would a CPU need in three years to keep per-core performance at the same level?
Assume new CPUs double cores every 18 months. How much off-chip memory bandwidth would a CPU released in three years need to maintain per-core performance?
please answer all the parts within 30 minutes. make sure all partsare answered else i will give negative ratings.
Assume that every 18 months, new CPU generations double the number of cores. How much additional off-chip memory bandwidth is required for a CPU introduced in three years to retain the same level of per-core performance?
As a sort-of prediction for your midterm assignment, how many CPU cores do you think is ideal? Hint: think about Amdahl's Law, which describes the theoretical maximum speedup for a parallel program.