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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    BIT 23 (1983), S. 170-180 
    ISSN: 1572-9125
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract A file ofn records can be sorted in linear time givenO(log(n)) processors. Four such algorithms are presented and analyzed. All of them have reasonable hardware requirements; no memory access conflicts are generated; a constant number of communication lines per processor are needed (except for one case); and the space requirements areO(n) orO(n log(log(n))).
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Computing 31 (1983), S. 1-9 
    ISSN: 1436-5057
    Keywords: 68C05 ; 68E05 ; 68H05 ; Dynamic memory allocation ; multidimensional arrays
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung Konventionelle Methoden der SpeicherungK-dimensionaler Felder lassen eine einfache Erweiterung lediglich entlang einer Dimension zu. Wir beschreiben eine Technik der Zuweisung einer linearen Folge von zusammenhängenden Speicherzellen fürK-dimensional erweiterbare Felder durch Hinzufügen von Blöcken aus (K−1)-dimensionierten Teilfeldern. Der Elementzugriff erfolgt durch Bestimmung des Headers und des Displacements innerhalb des Blockes. Für kubische und alle praktische Fälle rechteckiger Felder ist der SpeicherbedarfO (N) wobeiN die Feldgröße ist. Die Kosten eines Elementzugriffs betragenO (K) für die in zwei Schritten berechnete Zugriffsfunktion.
    Notes: Abstract Conventional methods of storing aK-dimensional array allow easy extension only along one dimension. We present a technique of allocating a linear sequence of contiguous storage locations for aK-dimensional extendible array by adjoining blocks of (K−1)-dimensional subarrays. Element access is by determination of the block header location and then the displacement within the block. For cubical and all practical cases of rectangular arrays considered, the storage requirement isO (N) whereN is the array size. The element access cost isO (K) for the 2-step computed access function used.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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