Answered: Suppose that when run using a single…

Name: Suppose that when run using a single thread, a particular program spen
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Description: Suppose that when run using a single thread, a particular program spends 20 seconds executing code that cannot be parallelized, and 280 seconds executing code that is highly parallelizable. Using Amdahl’s law, give an upper bound on the speedup (rati

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 when run using a single thread, a particular program spends 20 seconds executing code that cannot be parallelized, and 280 seconds executing code that is highly parallelizable. Using Amdahl’s law, give an upper bound on the speedup (ratio of old to new execution time) that might be achieved for this program by exploiting parallel execution on a highly-parallel computer with thousands of processors/cores.

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