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Monday, August 10, 2020 | History

2 edition of Prefetching simulation objects in a persistent simulation environment found in the catalog.

Prefetching simulation objects in a persistent simulation environment

Christopher Burdorf

Prefetching simulation objects in a persistent simulation environment

by Christopher Burdorf

  • 191 Want to read
  • 32 Currently reading

Published by Rand Corp. in Santa Monica, CA .
Written in English

    Subjects:
  • Computer simulation.

  • Edition Notes

    StatementChristopher Burdorf, Stephanie Cammarata.
    SeriesRand note -- no. N-3050-DARPA
    ContributionsCammarata, Stephanie.
    The Physical Object
    Pagination7 p. ;
    ID Numbers
    Open LibraryOL17947098M

    However, eDRAM suffers from comparatively slower access times than conventional SRAM arrays. To hide eDRAM access latencies, the Blue Gene/L(&) supercomputer implements small private prefetch caches. We present an exploration of design trade-offs for the prefetch D-cache for eDRAM. We use full system simulation to consider operating system impact. The software chosen for the simulation and analysis is the Integrated Model Development Environment (IMDE), an object-oriented discrete-event simulation package. The implementation of the model features reconfigurable mission plans and detailed simulation-independent animations.

    A book of the names and address of people living in a city. What are the limits of computer simulation? 'Prefetching simulation objects in a persistent simulation environment' -- . Christopher Burdorf has written: 'Prefetching simulation objects in a persistent simulation environment' -- subject(s): Computer simulation Asked in Video Games, Board Games.

    We propose a new model, which dynamically combines temporal and spacial locality to help the proxy server make web object prediction and prefetching. Through the simulation against real traces. Abstract: Web caching and Web prefetching are two important techniques used to reduce the noticeable response time perceived by users. Note that by integrating Web caching and Web prefetching, these two techniques can complement each other since the Web caching technique exploits the temporal locality, whereas Web prefetching technique utilizes the spatial locality of Web objects.


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Prefetching simulation objects in a persistent simulation environment by Christopher Burdorf Download PDF EPUB FB2

This Note describes a persistent simulation environment (PSE) for persistence, object-oriented simulation, and prefetching of objects. Object prefetching optimizes the swapping of persistent objects to and from main memory.

It is a type of smart virtual memory system that retrieves objects required by the application program. The authors discuss prefetching for two different algorithms: Cited by: 2. Additional Physical Format: Online version: Burdorf, Christopher.

Prefetching simulation objects in a persistent simulation environment. Santa Monica, CA. Prefetching Simulation Objects in a Persistent Simulation Environment Author: Christopher Burdorf Subject: Describes a persistent simulation environment (PSE) for persistence, object-oriented simulation, and prefetching of objects.

Created Date: 6/10/ PM. Describes the Persistent Simulation Environment (PSE), which combines object-oriented simulation with a persistent object repository and domain-dependent object prefetching by: 6. his paper describes the Persistent Simulation En­ vironment (PSE), which combines object-oriented simulation with a persistent object repository and domain-dependent object prefetching facilities.

The goals of PSE are threefold: (1) to augment a contemporary object-oriented programming language with discrete event and process-based simulation facilities equaling those found.

Christopher Burdorf. PSE: An Object-Oriented Simulation Environment Supporting Persistence Non-Preemptive Time Warp Scheduling Algorithms A Multiprocessor Execution Profiler Prefetching Simulation Objects in a Persistent Simulation Environment Skill-Oriented Task Sequencing in an Intelligent Tutor for Basic Algebra The prefetching information is obtained from the object relationships on the database pages and is stored in a Prefetch Object Table.

This prefetching algorithm is implemented using multithreading. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): We present a new approach to predicting page accesses to facilitate prefetching persistent objects in a client/server computing environment.

The relationships between persistent objects are modelled by a discrete-time Markov Chain, which allowed us to use a method called hitting times to compute the page access. Prefetching in Visual Simulation Chu-Ming Ng+, Cam-Thach Nguyen+, Dinh-Nguyen Tran+, Shin-We Yeow*, Tiow-Seng Tan + +National University of Singapore *G Element Pte Ltd 1 Motivation This project examines the problem of visual simulation of virtual environment that is too large to fit into the main memory of a PC.

Analysing Object Relationships to Predict Page Access for Prefetching. By Nils Knafla. Abstract. We present a new approach to predicting page accesses to facilitate prefetching persistent objects in a client/server computing environment.

The relationships between persistent objects are modelled by a discrete-time Markov Chain, which allowed us Author: Nils Knafla. 2 The modelling and simulation process 6 Figure 7: Measurement data A number of Information Sources (either explicit in the form of data/model/knowledge bases or implicit in the user’s mind) are used during the process: 1.

A Priori Knowledge: in deductive modelling, one starts from general principles Œsuch as mass, energy, momentum conservation laws and constraintsŒ and deduces specic File Size: KB. Burdorf, C. POCONS: A Persistent Object-based Connectionist Simulator. In Proceedings of the SCS Western Multiconference: Object-Oriented Simulation.

Society for Computer Simulation Author: Christopher Burdorf. Abstract: Web caching and Web prefetching are two important techniques used to reduce the noticeable response time perceived by users.

Note that by integrating Web caching and Web prefetching, these two techniques can complement each other since the Web caching technique exploits the temporal locality, whereas Web prefetching technique utilizes the spatial locality of Web by: the problem this book is meant to address.

At Olin College, we use this book in a class called Modeling and Simulation, which all students take in their rst semester. My colleagues, John Geddes and Mark Somerville, and I developed this class and taught it for the rst time in hierarchy to describe simulation process: 1) Simulated object, which represents the main entity, which is explored during simulation.

The object can be concerned as a composite entity, or system of objects. In this case the simulation process might be defined for whole composition or for separate objects, with explicit definition of.

In this environment, hundreds of clients access thousands of Web servers through a proxy simultaneously, while the Web servers are also accessed by a huge number of clients directly.

It provides an adequate test bed for comprehensive evaluations of Web prefetching techniques. Simulation Cited by: Speculative Prefetching of Induction Pointers high-accuracy approach to predict access to persistent objects through static code analysis of object-oriented applications.

Our simulation. Time-Oriented Simulation versus Discrete Event Simulation 5 Hints for Using the Tutorial 6 Overview of the Tutorial 6 2 OVERVIEW OF PLANT SIMULATION 8 Object Orientation 8 The Desktop 10 Working with the Class Library and Toolbox 11 Overview of Basic Objects 12 Objects used in this Tutorial When an object O's state is loaded, similar state for other objects in O's context is prefetched.

We present a design for maintaining context and using it to guide prefetch. Arena Basics The working simulation tool for the models in this book is Arena. Arena is a simulation environment consisting of module templates, built around SIMAN language constructs and other facilities, and augmented by a visual front end.

This chapter provides an overview of Arena basics at an introductory level. For more detail, refer. This chapter presents modeling and simulation techniques for complex systems such as life support systems.

One uses a model instead of real situation or system to understand something about it. Simulation with model helps us in making decisions and raise hypothetical scenarios. If the model is valid experimenting with it by computer can saveFile Size: KB.Christopher Burdorf has written: 'Prefetching simulation objects in a persistent simulation environment' -- subject(s): Computer simulation Asked in Video Games, Board Games What is .In addition, we compute the best possible time to start the prefetch operation.

We incorporated this prefetching algorithm into the EXODUS storage manager, and used the timing results in a simulation. Keywords: prefetching, persistent object stores, object-oriented databases, discrete-time Markov Chains, hitting times and hitting : Nils Knafla.