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
CN109901796AInactive Publication Date: 2019-06-18WUHAN POLYTECHNIC UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
WUHAN POLYTECHNIC UNIVERSITY
Publication Date
2019-06-18
Estimated Expiration
Not applicable · inactive patent

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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.
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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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