Parallel discrete event simulation with predictors /

(distributed) discrete event simulation (PDES) refers to the

Bibliographic Details
Main Author: Gummadi, Vidya, 1967-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(distributed) discrete event simulation (PDES) refers to the
(presently) is inherently sequential. The main objective of
approach and optimistic mechanisms, like the Time Warp
approaches use a detection and recovery approach wherein
based upon prediction techniques which performs very well for
categories : conservative mechanisms, like the Chandy-Misra
causality errors are detected and a rollback mechanism is
control commands which are essentially onboard computer
deterministic systems.
executed on the spacecraft to avoid the catastrophic effects
execution of a single discrete event simulation program on a
in sequence checking in a spacecraft's control commands.
invoked to recover. We present a technique for PDES that is
mechanism. Conservative approaches strictly avoid the
of incorrect execution. The sequence checking employed
parallel computer. PDES mechanisms broadly fall into two
possibility of a causality error occurring whereas optimistic
programs. 'The sequence of control commands needs to be
Spacecrafts are controlled by sequences of time-tagged
The motivation for this research has been its applicability
this work is to replace this existing sequential algorithm
verified for correct execution before the commands are
with a parallel implementation to gain performance. Parallel
Item Description:"Major subject: Computer Science".
Vita.
Physical Description:ix, 48 leaves ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.