Implement a shared-memory pthread program on in C to find Prefix Sum of n integers.
Implement a shared-memory pthread program on in C to find Prefix Sum of n integers.
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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Implement a shared-memory pthread program on in C to find Prefix Sum of n integers. Keep the
parallel overheads to a minimum. (One barrier synchronization may be enough.) Vary n as 210, 215, and 220 (or more
if desired), and p, the number of processes, from 1 to 8, and obtain the speedup relative to the sequential timings
without any overheads. Produce a speedup plot with p on x-axis and Sp on y-axis. Each n will result in a separate
speedup curve. Use same plot for all the curves to see how speedup varies as problem size increases.
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