Parallel Array Processing

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Parallel Array Processing

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Author : Paul Gerard Ducksbury
language : en
Publisher:
Release Date : 1986

Parallel Array Processing written by Paul Gerard Ducksbury and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Computers categories.

Presents advantages of using new parallel systems and their applications.

Parallel Array Processing

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Author : P. G. Ducksbury
language : en
Publisher: Ellis Horwood Limited
Release Date : 1986-06-01

Parallel Array Processing written by P. G. Ducksbury and has been published by Ellis Horwood Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986-06-01 with Computers categories.

Languages And Techniques For Parallel Array Processing

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Author : Peter Michael Flanders
language : en
Publisher:
Release Date : 1982

Languages And Techniques For Parallel Array Processing written by Peter Michael Flanders and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.

Multi Versioned Data Storage And Iterative Processing In A Parallel Array Database Engine

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Author : Emad Soroush
language : en
Publisher:
Release Date : 2014

Multi Versioned Data Storage And Iterative Processing In A Parallel Array Database Engine written by Emad Soroush and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.

Scientists today are able to generate data at an unprecedented scale and rate. For example the Sloan Digital Sky Survey (SDSS) generates 200GB of data containing millions of objects on each night on its routine operation. The large hadron collider is producing even more data today which is approximately 30PB annually. The Large Synoptic Survey Telescope (LSST) also will be producing approximately 30TB of data per night in a few years. Also, in many fields of science, multidimensional arrays rather than flat tables are standard data types because data values are associated with coordinates in space and time. For example, images in astronomy are 2D arrays of pixel intensities. Climate and ocean models use arrays or meshes to describe 3D regions of the atmosphere and oceans. As a result, scientists need powerful tools to help them manage massive arrays. This thesis focuses on various challenges in building parallel array data management systems that facilitate massive-scale data analytics over arrays. The first challenge with building an array data processing system is simply how to store arrays on disk. The key question is how to partition arrays into smaller fragments called chunks that form the unit of IO, processing, and data distribution across machines in a cluster. We explore this question in ArrayStore, a new read-only storage manager for parallel array processing. In ArrayStore, we study the impact of different chunking strategies on query processing performance for a wide range of operations, including binary operators and user-defined functions. ArrayStore also proposes two new techniques that enable operators to access data from adjacent array fragments during parallel processing. The second challenge that we explore in building array systems is the ability to create, archive, and explore different versions of the array data. We address this question in TimeArr, a new append-only storage manager for an array database. Its key contribution is to efficiently store and retrieve versions of an entire array or some sub-array. To achieve high performance, TimeArr relies on several techniques including virtual tiles, bitmask compression of changes, variable-length delta representations, and skip links. The third challenge that we tackle in building parallel array engines is how to provide efficient iterative computation on multi-dimensional scientific arrays. We present the design, implementation, and evaluation of ArrayLoop, an extension of SciDB with native support for array iterations. In the context of ArrayLoop, we develop a model for iterative processing in a parallel array engine. We then present three optimizations to improve the performance of these types of computations: incremental processing, mini-iteration overlap processing, and multi-resolution processing. Finally, as motivation for our work and also to help push our technology back into the hands of science users, we have built the AscotDB system. AscotDB is a new, extensible data analysis system for the interactive analysis of data from astronomical surveys. AscotDB provides a compelling and powerful environment for the exploration, analysis, visualization, and sharing of large array datasets.

Procedures For Parallel Array Processing On A Pipelined Display Terminal

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Author : University of Wisconsin--Madison. Computer Sciences Department
language : en
Publisher:
Release Date : 1982

Procedures For Parallel Array Processing On A Pipelined Display Terminal written by University of Wisconsin--Madison. Computer Sciences Department and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.

Direction Of Arrival Tracking By Parallel Array Processing

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Author : Ana Isabel Pérez Neira
language : en
Publisher:
Release Date : 1993

Direction Of Arrival Tracking By Parallel Array Processing written by Ana Isabel Pérez Neira and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.

Lucas Associative Array Processor

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Author : Christer Fernstrom
language : en
Publisher: Springer Science & Business Media
Release Date : 1986-03

Lucas Associative Array Processor written by Christer Fernstrom and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986-03 with Computers categories.

After historical introduction, the aspiration technique and imaging modalities are described. Thereafter, the use of aspiration cytology in the diagnosis and mainly in the sta- ging of urologic cancers is on still not well known appli- cations of the procedure in the staging of some organs (bladder, adrenals, penis, testis and secondary ureteral strictures) are reported.

A New Architecture And Design Of A Real Time Parallel Array Processor

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Author : Kwang-Keun Lee
language : en
Publisher:
Release Date : 1991

A New Architecture And Design Of A Real Time Parallel Array Processor written by Kwang-Keun Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Computer architecture categories.

A Content Addressable Array Parallel Processor And Some Applications

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Author : Charles Weems
language : en
Publisher:
Release Date : 1983

A Content Addressable Array Parallel Processor And Some Applications written by Charles Weems and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.

A design is presented for a Content Addressable Array Parallel Processor (CAAPP) which is both practical and feasible. Its practicality stems from an extensive program of research into real applications of content addressability and parallelism. The feasibility of the design stems from development under a set of conservative engineering constraints tied to limitations of VLSI technology. The authors then describe the implementation of two procedures for image processing on the CAAPP. The first performs image convolutions very quickly. It is shown that this algorithm can be generalized to perform convolutions with increased mask size with only a moderate reduction in speed. The second uses the CAAPP to quickly and robustly decompose an optic flow field into its rotational and translational components to recover sensor motion parameters. It is important to note that this latter is made possible only by the combination of associativity and array processing that our design provides. (Author).

Parallel Processing In A Host Plus Multiple Array Processor System For Radar

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Author : Budak Ziya Barkan
language : en
Publisher:
Release Date : 1983

Parallel Processing In A Host Plus Multiple Array Processor System For Radar written by Budak Ziya Barkan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Synthetic aperture radar categories.