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Computing on the Pragmatic Object Web

Given by Geoffrey C. Fox at EuroPar Invited Presentation on September 4 1998. Foils prepared September 13 1998

We discuss the Pragmatic Object Web (POW) and how to use it in the HPcc High Performance Commodity Computing based on POW with a hybrid multi-tier model
We describe metacomputing and parallel computing based on these concepts
We give examples of using WebFlow with Globus and show this gives natural integration of CORBA into HPCC
The use of HLA/RTI as control of a bunch of workstations is recommended


Table of Contents for Computing on the Pragmatic Object Web

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1 Computing on the Pragmatic Object Web
2 Abstract of Europar Pragmatic Object Web HPcc Presentation
3 Optimistic Scenario
4 The HPCC Dilemma and its Solution
5 What is Commodity Software
6 The Computing Pyramid
7 Server Side Java Distributed Objects Pragmatic Object Web Web-based Computing Computational Grids Coarse Grain Integration
8 Pragmatic Object Web Technology Model - I
9 Multi-Tier Client Server Service
10 Pragmatic Object Web Technology Model - II
11 Specifying Server Side Objects
12 Comparison of 2 3 and 4 Tier Models
13 Two ways of Implementing Data Objects
14 Today's Pragmatic Object Web: The Confusing Multi-Technology Real World Middleware Server Layer
15 Todays Complex World will evolve to something like the pure CORBA Architecture for a distributed Information System (There are similar COM and Javabean /RMI Versions)
16 NPAC Concept: Summary of Pragmatic Object Web
17 NPAC Concept : HPcc High Performance commodity computing
18 What is the Architecture of Metaproblems Complex HPCC Applications
19 Structure(Architecture) of Applications - I
20 Structure(Architecture) of Applications - II
21 HPcc Hybrid Multi-Tier Architecture to obtain Commodity Functionality and High-Performance
22 Exploiting Multi-Tier Commodity Software Model
23 Three Possible Implementations of CFD CSM Linkage
24 Picture of JavaBean and JDK1.1 AWT Event Model
25 HPcc Prototype WebFlow and JWORB over GLOBUS
26 Gateway Building Blocks: JWORB WebFlow on GLOBUS
27 WebFlow WaveFilter Module
28 WebFlow + Globus Functional Architecture
29 WebFlow as front end for Globus in Alliance Quantum Chemistry Simulations
30 WebFlow over Globus for NCSA Alliance Quantum Chemistry Application View
31 WebFlow on Globus -- LMS at CEWES
32 What are JavaBeans I
33 What are JavaBeans II
34 Next Steps for HPcc using JavaBeans
35 Gateway Multi-Server Middleware System Architecture Linking Clients, HPCC, and Modern Enterprise Systems
36 Multi-Server Model
37 So in our WebWisdom Distance Education System
38 Database Architecture for WebWisdom
39 While for High Performance Computing
40 Multi-Server Gateway Tier
41 Multi Tier Gateway Architecture
42 What are General Capabilities in Gateway Tier?
43 What Particular Programs could run in Gateway Tier?
44 Distributed Modeling and Simulation RTI as more general MPI JWORB illustrates POW
45 Integration of DIS with Object Web Based Computing
46 Summary of NPAC's JWORB natural Building Block of the Gateway
47 JWORB - Java Web Object Request Broker
48 NPAC's Object Web RTI
49 JWORB based Object Web RTI
50 IIOP Performance for Java ORB's
51 Java IIOP Performance for Structures
52 C++ ORB Much Faster than Java!
53 HLA/RTI versus HPF/MPI
54 HLA/RTI at Top Management Level
55 Resource Management and Scheduling
56 HPcc for Parallel Computing
57 Parallel Computing v. Metacomputing
58 A Parallel Computer Viewed as a Single CORBA Object
59 Each Node of a Parallel Computer viewed as a Separate CORBA Object
60 Can HPcc Give High Performance if applied to each node of a parallel computer?
61 Hybrid Parallel Computing Model
62 Java as a Scientific Programming Language Sequential -- and various forms of Parallelism
63 Java and Parallelism?
64 Data Parallel HPJava: Motivation
65 HPJava Libraries
66 Distributed Array Syntax: HPJava Compared to HPF
67 Example: Red-black iteration
68 Preliminary HPJava Performance (outperforms Java due to libraries)
69 What should you do?

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