Electricity reliability index rapid calculation method based on caching data multithread processing

A technology of caching data and index calculation, applied in the direction of electrical digital data processing, special data processing application, calculation, etc., can solve the problems that it is difficult to meet the timeliness of power reliability management business, and cannot reflect the level of power reliability, etc., to improve retrieval and calculation efficiency, realize fast calculation, and improve efficiency

Active Publication Date: 2014-01-01
STATE GRID CORP OF CHINA +2
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Problems solved by technology

In addition, traditional technical solutions can only reflect the reliability level before the calculation of the last intermediate result of the indicator, and cannot reflect the power reliability level as of the current time, and it is still difficult to meet the timeliness requirements of the power reliability management business

Method used

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  • Electricity reliability index rapid calculation method based on caching data multithread processing
  • Electricity reliability index rapid calculation method based on caching data multithread processing
  • Electricity reliability index rapid calculation method based on caching data multithread processing

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Embodiment Construction

[0050] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0051] The data structure of the data cache area is as follows figure 1As shown, in the data cache area, it is divided according to the type of business data, and a business memory object is created. Each business memory object contains: object basic information consisting of attribute list, source data table, sorting attribute, and unique identification information; the key is the management unit, the year and month of device registration or the year and month of power failure, and the data block address index is the value A list of data blocks composed of key-value pairs; multiple data blocks composed of basic data areas and change buffers.

[0052] Among them: the data sorting method in the...

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Abstract

The invention discloses an electricity reliability index rapid calculation method based on caching data multithread processing, solving the problem that the electricity reliability index analytical calculation efficiency is too low. The method comprises the steps of creating a data cache region in a memory, and creating data blocks by taking administrative units, equipment register dates or power failure occurrence dates as main keys by dividing according to business types; establishing a change cache region in each data block, recording data change, and merging the data of the change cache region and basic data in regular time; evenly distributing data relating to the index calculation to a plurality of threads to carry out basic index calculation, merging the basic index calculation result of each thread, and calculating the reliability comprehensive index of each level of management unit. According to the method, multiple data blocks are used for caching business data, technical measures such as the data change cache regions and the multithread processing are adopted, the basic data retrieval and calculation efficiencies of the electricity reliability business are improved, and the rapid calculation of the electricity reliability index is realized.

Description

[0001] technical field [0002] The invention relates to a fast calculation method of power reliability index based on multi-thread processing of cached data, and is mainly aimed at the application field of information construction of power reliability index analysis. Background technique [0003] As the scale of the power grid continues to expand, the basic data involved in the calculation of power reliability indicators increases rapidly, and the problem of low efficiency in the calculation of power reliability indicators is highlighted. At the same time, as the timeliness requirements of the power reliability management business continue to increase, the contradiction between the index calculation efficiency and the timeliness requirements of business management becomes more and more acute. [0004] Under the condition of massive basic data, the low calculation efficiency of power reliability index is mainly reflected in the low speed of reading basic data from physical d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/24552Y02D10/00
Inventor 吴猛黄灿俞俊罗黎明施康李林辉
Owner STATE GRID CORP OF CHINA
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