Parallel processor apparatus in which data is divided in sequent

Details Parallel processor apparatus in which data is divided in sequent Parallel processor apparatus in which data is divided in sequent

1996-03-12

1998-12-29

Donaghue, Larry D.

Data processing: database and file management or data structures

Database design

Data structure types

707 7, G06F 1730

Patent

active

058549382

ABSTRACT:
A parallel processor apparatus, which enables a blocking work for assuring a bucket write/read performance with a storage quantity in an ordinary range so as to largely improve the bucket write/read performance, has a first dividing unit for dividing data that is an object of a process into plural sets of bucket groups each of which is a set of tuples of plural sorts when the data is transmitted from a first processor group to an intermediate processor group to temporarily store the data in the intermediate processor group. The parallel processor apparatus further includes a second dividing unit for reading each of the plural sets of bucket groups to divide it into buckets each of which is a set of tuples of the same sort when the data is transmitted from the intermediate processor group to a second processor group, and storing the data in the second processor group. The parallel processor apparatus is applicable to a parallel computer system having plural processors concurrently operating in parallel to execute a predetermined task.

REFERENCES:
patent: 5121494 (1992-06-01), Dias et al.
patent: 5146590 (1992-09-01), Lorie et al.
patent: 5179699 (1993-01-01), Iyes et al.
patent: 5640554 (1997-06-01), Take
patent: 5671405 (1997-09-01), Wu
patent: 5724600 (1998-03-01), Ogi

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