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Three Experiments In Reliable Transaction Processing In Raid, Bharat Bhargava, Fady Lamaa, Pei-Jyun Leu, John Riedl Jun 1988

Three Experiments In Reliable Transaction Processing In Raid, Bharat Bhargava, Fady Lamaa, Pei-Jyun Leu, John Riedl

Department of Computer Science Technical Reports

No abstract provided.


Estimating Lower Bounds On Buffer Sizes For A Packet Switch, Douglas E. Comer, Rajendra Yavatkar Jun 1988

Estimating Lower Bounds On Buffer Sizes For A Packet Switch, Douglas E. Comer, Rajendra Yavatkar

Department of Computer Science Technical Reports

No abstract provided.


Summary Of The Activities Of The Purdue Electric Power Center December 1987-June 1988, G. T. Heydt Jun 1988

Summary Of The Activities Of The Purdue Electric Power Center December 1987-June 1988, G. T. Heydt

Department of Electrical and Computer Engineering Technical Reports

No abstract provided.


Extending Static Synchronization Beyond Simd And Vliw, Henry G. Dietz, Thomas Schwederski Jun 1988

Extending Static Synchronization Beyond Simd And Vliw, Henry G. Dietz, Thomas Schwederski

Department of Electrical and Computer Engineering Technical Reports

A key advantage of SIMD (Single Instruction stream, Multiple Data stream) architectures is that synchronization is effected statically at compile-time, hence the execution-time cost of synchronization between “processes” is essentially zero. VLIW (Very Long Instruction Word) machines are successful in large part because they preserve this property while providing more flexibility in terms of what kinds of operations can be parallelized. In this paper, we propose a new kind of architecture —- the “static barrier MIMD” or SBM — which can be viewed as a further generalization of the parallel execution abilities of static synchronization machines. Barrier MIMDs are asynchronous …


Complete Specification Of Ddm Mechanisms, Thomas L. Casavant, Weng H. Cheong, Ali Sajassi Jun 1988

Complete Specification Of Ddm Mechanisms, Thomas L. Casavant, Weng H. Cheong, Ali Sajassi

Department of Electrical and Computer Engineering Technical Reports

The specification of DDM (Distributed Decision-Making) algorithms is addressed. The modeling technique presented is based on well-known extensions to Petri-Nets (PNs). Transition-enabling functions with a domain corresponding to the marking of a net are used to express the semantics of decision-making. Furthermore, the algorithm structural characteristics of global state representation and topology are incorporated. Finally, the dynamic nature of evolution of system state, interaction with processes external to the computation, and the interprocess communication aspects of the mechanism are also modeled. The elements of analysis associated with this model are described, but not detailed in the scope of this paper.


Dynamics Of Knowledge Processing In Parallel Systems, Abhijit Chaundhury, Dan C. Marinescu, Andrew Whinston May 1988

Dynamics Of Knowledge Processing In Parallel Systems, Abhijit Chaundhury, Dan C. Marinescu, Andrew Whinston

Department of Computer Science Technical Reports

No abstract provided.


Machine Learning: A Critique Of Research Efforts And Suggested Research Strategy, William S. Davis, David B. Murrell May 1988

Machine Learning: A Critique Of Research Efforts And Suggested Research Strategy, William S. Davis, David B. Murrell

Department of Computer Science Technical Reports

No abstract provided.


Robust Replication Control Using Primary Copy Method, Niraj K. Sharma May 1988

Robust Replication Control Using Primary Copy Method, Niraj K. Sharma

Department of Computer Science Technical Reports

No abstract provided.


The Problem Of Accuracy And Robustness In Geometric Computation, Christoph M. Hoffmann May 1988

The Problem Of Accuracy And Robustness In Geometric Computation, Christoph M. Hoffmann

Department of Computer Science Technical Reports

No abstract provided.


Locating Distributed Information, Craig E. Wills May 1988

Locating Distributed Information, Craig E. Wills

Department of Computer Science Technical Reports

No abstract provided.


Service Execution In A Distributed Environment (Thesis), Craig E. Wills May 1988

Service Execution In A Distributed Environment (Thesis), Craig E. Wills

Department of Computer Science Technical Reports

No abstract provided.


Supporting Objects In A Conventional Operating System, Prasun Dewan Apr 1988

Supporting Objects In A Conventional Operating System, Prasun Dewan

Department of Computer Science Technical Reports

No abstract provided.


An Approach To Support Automatic Generation Of User Interfaces, Prasun Dewan, Marvin Solomon Apr 1988

An Approach To Support Automatic Generation Of User Interfaces, Prasun Dewan, Marvin Solomon

Department of Computer Science Technical Reports

No abstract provided.


On The Analysis Of Request-Response Communication In A Token Passing Ring, Dan Cristian Marinescu Apr 1988

On The Analysis Of Request-Response Communication In A Token Passing Ring, Dan Cristian Marinescu

Department of Computer Science Technical Reports

No abstract provided.


An Optimal Parallel Algorithm For The Visibility Of A Simple Polygon From A Point, Mikhail J. Atallah, Danny Z. Chen, Hubert Wagner Apr 1988

An Optimal Parallel Algorithm For The Visibility Of A Simple Polygon From A Point, Mikhail J. Atallah, Danny Z. Chen, Hubert Wagner

Department of Computer Science Technical Reports

No abstract provided.


Partitioning Of Uniform Dependency Algorithms For Parallel Execution On Mimd/ Systolic Systems, Weijia Shang, Jose A. B. Fortes Apr 1988

Partitioning Of Uniform Dependency Algorithms For Parallel Execution On Mimd/ Systolic Systems, Weijia Shang, Jose A. B. Fortes

Department of Electrical and Computer Engineering Technical Reports

An algorithm can be modeled as an index set and a set of dependence vectors. Each index vector in the index set indexes a computation of the algorithm. If the execution of a computation depends on the execution of another computation, then this dependency is represented as the difference between the index vectors of the computations. The dependence matrix corresponds to a matrix where each column is a dependence vector. An independent partition of the index set is such that there are no dependencies between computations that belong to different blocks of the partition. This report considers uniform dependence algorithms …


Emulating A Cisc With Gaas Bit-Slice Components, Erin Handgen, Bryan Robbins Apr 1988

Emulating A Cisc With Gaas Bit-Slice Components, Erin Handgen, Bryan Robbins

Department of Electrical and Computer Engineering Technical Reports

Currently, complex instruction set computers (CISCs), are used in a wide variety of applications ranging from desktop computers to aircraft guidance systems. The amount of software available for these CISCs is rather large, and exists in both high-level language and assembly language forms. However, some system designers may need CISCs that are more environmentally tolerant and/or faster than current silicon processors, and may be looking towards GaAs as a possible solution. Aerospace engineers and defense engineers are among this elite group. Some areas where the advantages of GaAs are needed over current Si technology include stabilization and control, telemetry, and …


Prospectus For A Remote Pasm Execution And Debugging Environment - Pdb, Thomas L. Casavant, James E. Lumpp Jr, Thomas Schwederski, Wayne Nation Apr 1988

Prospectus For A Remote Pasm Execution And Debugging Environment - Pdb, Thomas L. Casavant, James E. Lumpp Jr, Thomas Schwederski, Wayne Nation

Department of Electrical and Computer Engineering Technical Reports

This document describes four design alternatives for a remote debugging and execution environment for the PASM Parallel Processing System Prototype in the School of EE at Purdue. Two alternatives involve acquisition of modest hardware for system enhancement, while the others are software-only solutions. All solutions involve use of a high-resolution bit-mapped graphics device, mouse and keyboard input, and a broad-band Ethernet-like communication medium. These latter components are currently available. The goal of this environment is to support any type of debugging which is currently supported by using the front panel of the machine and several terminals which are manually multiplexed …


Implementation Of Raid, Bharat Bhargava, John Riedl Apr 1988

Implementation Of Raid, Bharat Bhargava, John Riedl

Department of Computer Science Technical Reports

No abstract provided.


On The Effects Of Synchronization In Parallel Computing, Dan C. Marinescu, John R. Rice Mar 1988

On The Effects Of Synchronization In Parallel Computing, Dan C. Marinescu, John R. Rice

Department of Computer Science Technical Reports

No abstract provided.


Sequences And Digital Trees: A Symbiosis, Wojciech Szpankowski Mar 1988

Sequences And Digital Trees: A Symbiosis, Wojciech Szpankowski

Department of Computer Science Technical Reports

No abstract provided.


Dump Trucks - Big Or Bigger, Larry Goode Mar 1988

Dump Trucks - Big Or Bigger, Larry Goode

Purdue Road School

No abstract provided.


Urban Transportation Management Challenges, H Allen Swanson Mar 1988

Urban Transportation Management Challenges, H Allen Swanson

Purdue Road School

No abstract provided.


Dealing With The Angry Public, Tad Perry Mar 1988

Dealing With The Angry Public, Tad Perry

Purdue Road School

No abstract provided.


A Schwarz Splitting Variant Of Cubic Spline Collocation Methods For Elliptic Pdes, Elias N. Houstis, John R. Rice, E.A. Vavalis Mar 1988

A Schwarz Splitting Variant Of Cubic Spline Collocation Methods For Elliptic Pdes, Elias N. Houstis, John R. Rice, E.A. Vavalis

Department of Computer Science Technical Reports

No abstract provided.


Efficient Interprocess Communication Using Shared Memory, Douglas E. Comer, Steven B. Munson Feb 1988

Efficient Interprocess Communication Using Shared Memory, Douglas E. Comer, Steven B. Munson

Department of Computer Science Technical Reports

No abstract provided.


Software Engineering Team Project Group Member Evaluations: Some Empirical Results, Herbert E. Dunsmore, David P. Moffett, Steven T. Ward Jan 1988

Software Engineering Team Project Group Member Evaluations: Some Empirical Results, Herbert E. Dunsmore, David P. Moffett, Steven T. Ward

Department of Computer Science Technical Reports

No abstract provided.


A Parallel Spline Collocation-Capacitance Method For Elliptic Parallel Differential Equations, C. C. Christara, Elias N. Houstis, John R. Rice Jan 1988

A Parallel Spline Collocation-Capacitance Method For Elliptic Parallel Differential Equations, C. C. Christara, Elias N. Houstis, John R. Rice

Department of Computer Science Technical Reports

No abstract provided.


Development Of A Prototype System For Snow Route Design And Management, J. R. Wright Jan 1988

Development Of A Prototype System For Snow Route Design And Management, J. R. Wright

JTRP Technical Reports

No abstract provided.


The Development Of Optimal Strategies For Maintenance, Rehabilitation And Replacement Of Highway Bridges, Vol. 1: The Elements Of The Indiana Bridge Management System (Ibms), Kumares C. Sinha, Mitsuru Saito, Yi Jiang, Sudhir Murthy, Ah Beng Tee, Mark D. Bowman Jan 1988

The Development Of Optimal Strategies For Maintenance, Rehabilitation And Replacement Of Highway Bridges, Vol. 1: The Elements Of The Indiana Bridge Management System (Ibms), Kumares C. Sinha, Mitsuru Saito, Yi Jiang, Sudhir Murthy, Ah Beng Tee, Mark D. Bowman

JTRP Technical Reports

No abstract provided.