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Sorting selection method and device based on external storage, external storage equipment and storage medium

A storage location and selection strategy technology, applied in the field of transportation, can solve the problems of long data import time and large memory space consumption, and achieve the effects of avoiding data writing operations, improving speed and efficiency, and reducing time

Inactive Publication Date: 2019-06-18
WUHAN POLYTECHNIC UNIVERSITY
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Problems solved by technology

[0003] The main purpose of the present invention is to provide a sorting and selection method, device, external storage device and storage medium based on external storage, aiming to solve the problem of large memory space consumption and long data import time in the prior art when selection and sorting is performed in the memory. technical problem

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  • Sorting selection method and device based on external storage, external storage equipment and storage medium
  • Sorting selection method and device based on external storage, external storage equipment and storage medium

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Embodiment Construction

[0055] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0056] The solution of the embodiment of the present invention is mainly: the present invention reads the local unordered data sequence through the external storage device, and extracts the ascending order keywords in the unordered data sequence; determines the target sorting selection strategy according to the ascending order keywords; Sorting the unordered data sequence according to the target sorting selection strategy can save memory space, reduce the time for data to be imported into the memory, avoid frequent data writing operations during the sorting process of insertion sorting, and improve the efficiency of data reading and writing. The speed and efficiency improve the user experience, and solve the technical problems of large memory space consumption and long data import time in the prior art that selection s...

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Abstract

The invention discloses a sorting selection method and device based on external storage, external storage equipment and a storage medium, and the method comprises the steps: reading a local disordereddata sequence through the external storage equipment, and extracting an ascending keyword in the disordered data sequence; Determining a target sorting selection strategy according to the ascending keyword; And sorting the disordered data sequences according to the target sorting selection strategy, so that the memory space can be saved, the time for importing the data into the memory is shortened, frequent data writing operation in the sorting process of insertion sorting is avoided, the data reading and writing speed and efficiency are improved, and the user experience is improved.

Description

technical field [0001] The invention relates to the field of transportation, in particular to an external storage-based sorting and selection method, device, external storage device and storage medium. Background technique [0002] The existing selection sorting methods are inner sorting and outer sorting, and whether it is inner sorting or outer sorting, the sorting process is carried out in memory; among them, the outer sorting often has serious memory space due to the large amount of data. In the case of insufficiency, at this time, the data is generally imported into the memory in batches for sorting; since the current selection and sorting can only be performed in the memory, there will be a large amount of memory space consumption, and the data importing into the memory will take a long time. Contents of the invention [0003] The main purpose of the present invention is to provide a sorting and selection method, device, external storage device and storage medium bas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06F16/16
Inventor 王防修
Owner WUHAN POLYTECHNIC UNIVERSITY
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