NDLI: Problems in characterizing barrier performance

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Problems in characterizing barrier performance

Content Provider	NASA Technical Reports Server (NTRS)
Author	Jordan, Harry F.
Copyright Year	1988
Description	The barrier is a synchronization construct which is useful in separating a parallel program into parallel sections which are executed in sequence. The completion of a barrier requires cooperation among all executing processes. This requirement not only introduces the wait for the slowest process delay which is inherent in the definition of the synchronization, but also has implications for the efficient implementation and measurement of barrier performance in different systems. Types of barrier implementation and their relationship to different multiprocessor environments are described. Then the problem of measuring the performance of barrier implementations on specific machine architecture is discussed. The fact that the barrier synchronization requires the cooperation of all processes makes the problem of performance measurement similarly global. Making non-intrusive measurements of sufficient accuracy can be tricky on systems offering only rudimentary measurement tools.
File Size	753688
Page Count	16
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19910009318
Archival Resource Key	ark:/13960/t05x77203
Language	English
Publisher Date	1988-10-01
Access Restriction	Open
Subject Keyword	Computer Programming And Software Parallel Programming Computer Systems Design Synchronism Pipelining Computers Architecture Computers Multiprocessing Computers Parallel Processing Computers Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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