Internal Timer Synchronization for Parallel Event Tracing

Research output: Contribution to book/conference proceedings/anthology/reportConference contributionContributedpeer-review

Contributors

Abstract

Performance analysis and optimization is an important part of the development cycle of HPC applications. Among other prerequisites, it relies on highly precise timers, that are commonly not sufficiently synchronized, especially on distributed systems. Therefore, this paper presents a novel timer synchronization scheme especially adapted to parallel event tracing. It consists of two parts. Firstly, recording synchronization information during run-time and, secondly, subsequent correction, i.e. transformation of asynchronous local time stamps to synchronous global time stamps.

Details

Original languageEnglish
Title of host publicationRecent Advances in Parallel Virtual Machine and Message Passing Interface
EditorsAlexey Lastovetsky, Tahar Kechadi, Jack Dongarra
PublisherSpringer, Berlin [u. a.]
Pages202-209
Number of pages8
ISBN (electronic)978-3-540-87475-1
ISBN (print)978-3-540-87474-4
Publication statusPublished - 2008
Peer-reviewedYes

Publication series

SeriesLecture Notes in Computer Science, Volume 5205
ISSN0302-9743

Conference

Title15th European Parallel-Virtual-Machine-and-Message-Passing-Interface-Users-Group Meeting (PVM/MPI)
Duration7 - 10 September 2008
CityDublin
CountryIreland

External IDs

Scopus 56449115464
WOS 000259669500021

Keywords

Keywords

  • Event tracing, clock synchronization, performance analysis, CLOCK OFFSET

Library keywords