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File reading accelerating method and computer equipment

A file reading and file technology, applied in the input/output process of computing, data processing, instruments, etc., can solve the problems of low processing efficiency and slow file reading efficiency, and achieve the effect of improving efficiency and speed

Active Publication Date: 2018-07-24
北京思特奇信息技术股份有限公司
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  • Description
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: the efficiency of reading files is slow, resulting in low processing efficiency

Method used

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  • File reading accelerating method and computer equipment
  • File reading accelerating method and computer equipment
  • File reading accelerating method and computer equipment

Examples

Experimental program
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Embodiment 7

[0088] Optionally, in another embodiment 7, the method also includes:

[0089] When the data is read from the file for the first time and stored in the upper half, and the byte length of the read data is equal to half of the byte length C, and the data of the byte length B is read from the memory data block;

[0090] Determine the byte length L of the data body according to the data of the byte length B;

[0091] Determine whether the byte length L is greater than half of the byte length C, if not, read the data of the byte length L directly from the position of the current offset P, wherein when reading for the first time, the current The offset P is 0;

[0092] The data of the byte length L is returned as return data, and at the same time, the current offset P is updated to L and the partition identifier F is reserved as the upper half.

[0093] It should be noted that, in this embodiment 7, the scheme is carried out on the basis of the above-mentioned embodiment 1-embodim...

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Abstract

The invention relates to a file reading acceleration method and computer equipment. The method comprises the following steps of: when a partitioning identifier F is marked as an upper half area, judging whether a sum of P and B is greater than a half of C or not; if the judging result is positive, reading data from a file, storing the data to a lower half area, and starting a B byte from a position of P, wherein the byte length of the read data is equal to a half of C; determining a byte length L of a data body according to the B byte; directly reading data of L from the position of P according to L; and returning L as return data, updating P to be P+L and marking the partitioning identifier f as a lower half area. The invention furthermore relates to the computer equipment. Through the method, a system of packaging data and carrying out storage according to a data head and data body combined manner is adopted, and a manner of reading N times of maximum data at one time and then returning the data one by one is adopted to reduce file IO operation, so that the data processing efficiency and speed are greatly improved.

Description

technical field [0001] The invention belongs to the technical field, and in particular relates to a method for speeding up file reading and computer equipment. Background technique [0002] The traditional file storage method adopts a more common method of storing a single record and a single line, so it is also a single-line reading method when reading. This reading method reads one line at a time, the number of times read and the size of the file The number of rows is the same, and the memory for storing data needs to be cleared every time it is read. [0003] The biggest problem with the traditional line-by-line reading method is that multiple reads and multiple IO operations lead to slow reading efficiency. Therefore, when processing file data application systems, the increase in processing modules of the file system will gradually lead to low system processing efficiency. . Contents of the invention [0004] The technical problem to be solved by the present inventio...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/064G06F3/0643
Inventor 左冬杰
Owner 北京思特奇信息技术股份有限公司
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