WO2018214140A1

WO2018214140A1 - Data compression method and data decompression method, and related device

Info

Publication number: WO2018214140A1
Application number: PCT/CN2017/086062
Authority: WO
Inventors: 李宇翔
Original assignee: 深圳配天智能技术研究院有限公司
Priority date: 2017-05-26
Filing date: 2017-05-26
Publication date: 2018-11-29
Also published as: CN110799959A; CN110799959B

Abstract

A data compression method and data decompression method, and a related device, which are used for compressing continuously repeated data. The method may comprise: acquiring an original data file to be compressed (101); searching the original data file for a repeated data segment continuously repeating pre-determined data, and determining the number d of consecutive repetitions (102); and writing the pre-determined data and the number d of consecutive repetitions into the original data file to replace the repeated data segment (103) so as to compress the repeated data segment.

Description

Data compression method and decompression method and related equipment

Technical field

The invention relates to the field of data compression, in particular to a data compression method and a decompression method and related devices, which are used for compressing continuously repeated data and saving storage space.

Background technique

FPGA (Field Programmable Gate Array) appears as a semi-custom circuit in the field of application specific integrated circuits (ASIC), which not only solves the shortcomings of custom circuits, but also overcomes the original programmable device gates. The shortcoming of the limited number of circuits is the main hardware platform for today's digital system design.

In the prior art, the FPGA is based on SRAM (Static Random Access Memory) programming, and the programming information is lost when the system is powered down. Each time the power is turned on, the FLASH memory chip external to the device or The program data stored in the EEPROM (Electrically Erasable Programmable Read-Only Memory) is rewritten into the internal SRAM.

In the existing technical solution, when the programming data required by the FPGA is large and there is a large amount of continuous repetitive data in the data, the data occupies a large storage space of the FLASH chip or the EEPROM.

Summary of the invention

A first aspect of the embodiments of the present invention provides a data compression method, which may include:

Obtain the original data file to be compressed;

Finding a repeated data segment that continuously repeats the predetermined data existing in the original data file, and determining the number of consecutive repetitions d;

The predetermined data and the number of consecutive repetitions d are written in the original data file in place of the repeated data segments, thereby compressing the repeated data segments.

With reference to the first aspect, in a first possible implementation manner of the first aspect, the searching for the repeated data segments that are consecutively repeated for the predetermined data that exist in the original data file, and determining the number of consecutive repetitions d includes :

Reading, from the original data file, a first data segment whose data length is n times the predetermined data, where n is a positive integer greater than or equal to 2;

Determining whether the first data segment is n consecutively repeated predetermined data, and if so, recording The number of repetitions d of the predetermined data is n;

Reading a second data segment whose data length is the same as the predetermined data, and determining whether the second data segment is the predetermined data segment, and if so, increasing the value of the d by 1, and returning the reading The step of data length having the same second data segment as the predetermined data.

In conjunction with the first possible implementation of the first aspect, in a second possible implementation of the first aspect, the writing the predetermined data and the number of consecutive repetitions d into the original data file Instead of the repeated data segments,

The first data segment and the number of consecutive repetitions d are written in the original data file in place of the repeated data segment.

In conjunction with the first possible implementation of the first aspect, in a third possible implementation manner of the first aspect, after the adding the value of the d is increased by one, the method further includes:

Determining whether the value of the d is greater than or equal to a predetermined maximum value, and if so, performing the step of writing the predetermined data and the number of consecutive repetitions d into the original data file instead of the repeated data segment .

With reference to the first aspect, in a fourth possible implementation manner of the first aspect, after the predetermined data and the number of consecutive repetitions d are written in the original data file instead of the repeated data segment, The method further includes:

Clear the value of d to zero;

Determining whether the original data file to be compressed is compressed, and if not, returning to the step of searching for the repeated data segments that are continuously repeated for the predetermined data existing in the original data file, and determining the number of consecutive repetitions d.

A second aspect of the embodiments of the present invention provides a data decompression method, including:

Obtaining a compressed data file to be decompressed, the data file includes at least one compressed data segment, the compressed data segment including predetermined data and a number of times d of the predetermined data being continuously repeated;

Reading predetermined data in the compressed data segment and the number of consecutive repetitions of the predetermined data d;

The predetermined data that is continuously repeated d times is written into the compressed data file in place of the compressed data segment, thereby decompressing the compressed data file to be decompressed.

With reference to the second aspect, in a first implementation manner of the second aspect, the compressed data segment includes n consecutively repeated predetermined data and a number d of consecutive repetitions of the predetermined data, where n is greater than Or a positive integer equal to 2;

The reading the predetermined data in the compressed data segment and the number of consecutive repetitions of the predetermined data d includes:

Reading a second data segment whose data length is n times the predetermined data from the compressed data file;

Determining whether the second data segment is n consecutively repeated predetermined data, and if so, recording the predetermined number of repetitions d of the predetermined data is n;

Reading a third data segment of a predetermined length after the second data segment, and reading the number d of consecutive repetitions of the predetermined data from the third data segment.

In conjunction with the first possible implementation of the second aspect, in a second possible implementation of the second aspect, the predetermined data that is continuously repeated d times is written to the compressed data file instead of the compressed data The paragraph includes:

The predetermined data is repeatedly repeated d times to form a fourth data segment, and the fourth data segment is written to the compressed data file in place of the compressed data segment.

A third aspect of the embodiments of the present invention provides a data compression device, including an input device, an output device, a processor, and a memory, where

The input device is configured to acquire a data file to be compressed;

The processor is configured to perform the following methods:

Finding a repeated data segment that continuously repeats the predetermined data existing in the data file, and determining the number of consecutive repetitions d;

The predetermined data and the number of consecutive repetitions d are written into the output data file to replace the repeated data segments, thereby compressing the repeated data segments.

A fourth aspect of the embodiments of the present invention provides a computer readable storage medium, wherein the computer readable storage medium stores instructions, when the instructions are run on a computer, causing the computer to execute The first aspect of the invention and the first to fourth possible embodiments of the first aspect and the method of any of the first or second possible implementation of the second aspect and the second aspect.

A fifth aspect of the embodiments of the present invention provides an FPGA, including an input device, an output device, a processor, and a memory, wherein the input device is configured to read an original FPGA load file, and the processor is configured to perform the implementation according to the present invention. The first aspect of the example and the first to fourth possibilities of the first aspect The data compression method of any one of the embodiments compresses the original FPGA load file to obtain a compressed FPGA load file, and the memory is used to store the compressed FPGA load file.

A sixth aspect of the embodiments of the present invention provides an FPGA, including an input device, an output device, a processor, and a memory, wherein the input device is configured to read a decompressed data file to be decompressed, and the processor is configured to execute the present invention. The data decompression method according to any one of the second aspect of the first aspect and the first to second possible implementation manners of the first aspect decompresses the original FPGA load file to obtain a decompressed FPGA load file, where the memory Used to store the decompressed FPGA load file.

As can be seen from the above, in the embodiment of the present invention, when there is a large number of consecutive repeated data segments in the predetermined data in the original data file, the compression device searches for the repeated data segments that are continuously repeated in the original data file for the predetermined data, and Determining the number d of consecutive repetitions, writing the predetermined data and the number of consecutive repetitions d into the original data file to replace the repeated data segments, thereby compressing the repeated data segments without having to have a large number of consecutive Repeating such predetermined data expansion records saves storage space.

DRAWINGS

1 is a schematic diagram of an embodiment of a data compression method according to an embodiment of the present invention;

2 is a schematic diagram of another embodiment of a data compression method according to an embodiment of the present invention;

3 is a schematic diagram of an embodiment of a data decompression method according to an embodiment of the present invention;

4 is a schematic diagram of another embodiment of a data decompression method according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of an embodiment of a compression device according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

For ease of understanding, the specific process in the embodiment of the present invention is described below. Referring to FIG. 1, an embodiment of the data compression method in the embodiment of the present invention includes:

101. Obtain a raw data file to be compressed.

When there is a repeated data segment in the original data file that continuously repeats the predetermined data, the compression device may acquire the original data file to compress the original data file, and the original data file may be stored in a readable storage medium.

102. Search for a repeated data segment that continuously repeats the predetermined data existing in the original data file, and determine the number of consecutive repetitions d;

The user can set one or more predetermined data according to requirements, and the compression device can search for repeated data segments that are continuously repeated in the original data file for the predetermined data, and determine the number of consecutive repetitions d, and the specific search manner will be as follows. The details are described in the examples.

103. Write predetermined data and the number of consecutive repetitions d into the original data file to replace the repeated data segments;

After determining the number of consecutive repetitions of the predetermined data, the compression device may write the predetermined data and the number of consecutive repetitions d into the original data file to replace the corresponding repeated data segments without having to expand a large number of consecutively repeated such predetermined data. Recording saves storage space.

As can be seen from the above, in the embodiment of the present invention, when there is a large number of consecutive repeated data segments in the predetermined data in the original data file, the compression device searches for the repeated data segments that are continuously repeated in the original data file for the predetermined data, and Determining the number d of consecutive repetitions, writing predetermined data and the number of consecutive repetitions d into the original data file instead of repeating the data segments, thereby compressing the repeated data segments without having to record a large number of consecutively repeated such predetermined data, saving The storage space.

The foregoing embodiment describes the flow of the data compression method in the embodiment of the present invention. For ease of understanding, the data compression method in the embodiment of the present invention will be described in detail below. Referring to FIG. 2, another method of data compression in the embodiment of the present invention is provided. An embodiment can include:

201. Obtain a raw data file to be compressed.

When there is a repeated data segment in the original data file that continuously repeats the predetermined data, the compression device may acquire the original data file to start a compression process, and the original data file may be stored in a readable storage medium.

202. Read, from the original data file, a first data segment whose data length is n times the predetermined data;

In order to identify the repeated data segments in the original data file, the compression device may further read the first data segment whose data length is n times the predetermined data from the original data file, where n is a positive integer greater than or equal to 2.

203. Determine whether the first data segment is n consecutively repeated predetermined data.

After reading the first data segment, the compression device may determine whether the first data segment is n consecutively repeated predetermined data, and if yes, execute step 204, and if no, perform step 207.

204. The number of repetitions d of recording predetermined data is n;

When the first data segment is n consecutively repeated predetermined data, it may be determined that the number of times d of the predetermined data continuously repeated in the currently read data is n times.

205. Read a second data segment whose data length is the same as the predetermined data, and determine whether the second data segment is a predetermined data segment.

When the first data segment is n consecutively repeated predetermined data, the compression device may continue to determine whether the subsequent data is a repeated form of the predetermined data. Specifically, the compression device may read the second data segment whose data length is the same as the predetermined data. And determining whether the second data segment is a predetermined data segment, and if yes, executing step 206; if not, returning to step 202 to process subsequent data.

206, increasing the value of d by one;

If the second data segment is also a repeated form of the predetermined data, the value of d is incremented by one, and the process returns to step 205 to process the subsequent data.

207. Re-read the data segment whose data length is n times of the predetermined data.

When the first data segment is not a repeated form of any of the predetermined data, the compression device may re-read the data segment whose data length is n times the predetermined data as the first data segment, and re-determine the flow.

Specifically, the new first data segment re-read by the compression device may be composed of a portion of the previous first data segment that is removed from the front-end data segment having the same length as the predetermined data and a subsequent data segment.

208. Write the predetermined data and the number of consecutive repetitions d into the original data file to replace the repeated data segment;

Specifically, the compression device may write the first data segment and the number of consecutive repetitions d into the original data file instead of the repeated data segment.

As can be seen from the above, in the embodiment, the compression device reads part of the data in the original data file as The first target compressed data, when determining that the first target compressed data is a repeated form of preset compressed data, continues to read the second target compressed data, and when determining that the second target compressed data is also the same preset compressed data When the data is repeated, the number of repetitions of the preset compressed data is recorded. When the preset compressed data is not continuously repeated, the compression device may write and compress the first target compressed data and the repeated number of the preset compressed data. The file does not have to be continuously recorded by successively repeating the preset compressed data, saving storage space.

Based on the foregoing embodiment, preferably, after step 206, the method further includes:

209. Determine whether the value of d is greater than or equal to a predetermined maximum value.

In actual use, the number of digits occupied by the data of the same predetermined data continuous repetition number d is limited, that is, the value of d has a maximum value, and the specific maximum value can be set by the user according to requirements, and can be broken after step 206. If the value is greater than or equal to the maximum value, step 208 is performed. If the value is less than the maximum value, step 205 is performed.

On the basis of the foregoing embodiment, after the predetermined data and the number of consecutive repetitions d are written into the original data file instead of the repeated data segments, the method further includes:

210. Clear the value of d to zero;

211. Determine whether the original data file to be compressed is compressed.

If the compressed original data file is compressed, the process ends. If the original data file to be compressed is not compressed, the process returns to step 202, and the compression process is executed cyclically.

It is to be understood that the compression device in this embodiment may be an FPGA or a computer and other devices that can implement the foregoing method, which are not limited herein.

The foregoing embodiment describes the data compression method in the embodiment of the present invention. The following describes the data decompression method in the embodiment of the present invention. Referring to FIG. 3, an embodiment of the data decompression method in the embodiment of the present invention may include:

301. Obtain a compressed data file to be decompressed.

When decompressing the compressed data file including the at least one compressed data segment, the decompression device may first read the compressed data file to be decompressed, and the compressed data segment in the file includes the predetermined data and the number d of consecutive repetitions of the predetermined data.

302, reading the predetermined data in the compressed data segment and the number of consecutive repetitions of the predetermined data d;

When decompressing the compressed data segment, it is necessary to read and determine the type of the predetermined data to be compressed and The number of repetitions d will be repeated, and the specific manner of determination will be described in detail in the following embodiments.

303. Write predetermined data that is continuously repeated d times to the compressed data file instead of compressing the data segment.

After determining the number of consecutive repetitions of the predetermined data, the decompression device may write the predetermined data to the compressed data file continuously for d times instead of compressing the data segment.

Specifically, the data file to be decompressed in this embodiment may be obtained by compressing the original data file by using the data compression method shown in FIG. 1 and FIG. 2.

The foregoing embodiment describes the flow of the data decompression method in the embodiment of the present invention. For ease of understanding, the data decompression method in the embodiment of the present invention will be described in detail below. Referring to FIG. 4, the data decompression method in the embodiment of the present invention is described. Another embodiment of the method can include:

401. Obtain a compressed data file to be decompressed.

The decompressing device obtains the compressed data file to be decompressed, and the compressed data file may be stored in a readable storage medium, where the data file includes at least one compressed data segment, where the compressed data segment includes n consecutively repeated predetermined data and The number d of consecutive predetermined data repetitions, where n is a positive integer greater than or equal to two.

402. The third data segment whose data length is n times the predetermined data is read from the compressed data file.

The decompression device needs to gradually read part of the data segment from the compressed data file for decompression. To determine the compressed data segment, the compression device can read the third data segment whose data length is n times the predetermined data from the compressed data file.

403. Determine whether the third data segment is n consecutively repeated predetermined data.

The compression device determines whether the read third data segment is a compressed data segment. If yes, step 404 is performed, and if no, step 406 is performed.

404. Read a fourth data segment of a predetermined length after the third data segment.

The compressed data segment is provided with a predetermined length of the fourth data segment in the data segment subsequent to the third data segment for recording the predetermined data continuous repetition, and the compression device can read the fourth data segment and read from the fourth data segment. The number of times the predetermined data is continuously repeated.

405. Write predetermined data that is continuously repeated d times to the compressed data file instead of compressing the data segment.

Specifically, the decompression device may continuously repeat the predetermined data to form the fifth data segment, and the fifth The data segment is written to the compressed data file instead of the compressed data segment.

406. Re-read the third data segment whose data length is n times the predetermined data.

Specifically, the new third data segment re-read by the decompression device may be composed of a portion of the previous third data segment that is removed from the front end data segment having the same length as the predetermined data and a subsequent data segment.

Preferably, after step 405, the embodiment may further include:

407. Determine whether the compressed data file is read.

The decompression device determines whether the compressed data file is read. If it is completed, it ends. If not, it returns to step 402 and decompresses.

The following describes the data compression device in the embodiment of the present invention. Referring to FIG. 5, an embodiment of the data compression device in the embodiment of the present invention may include:

An input device 501, an output device 502, a processor 503, and a memory 504, wherein

The input device 501 is configured to acquire a data file to be compressed;

The processor 503 is configured to perform the following methods:

Finding a repeated data segment existing in the data file for continuously repeating the predetermined data, and determining the number of consecutive repetitions d;

The predetermined data and the number of consecutive repetitions d are written in the output data file instead of the repeated data segments, thereby compressing the repeated data segments.

Preferably, the processor is specifically configured to:

Reading a first data segment whose data length is n times the predetermined data from the input data file, where n is a positive integer greater than or equal to 2;

Determining whether the first data segment is n consecutively repeated predetermined data, and if so, the number of repetitions d of recording the predetermined data is n;

Reading a second data segment whose data length is the same as the predetermined data, and determining whether the second data segment is a predetermined data segment, and if so, increasing the value of d by 1, and returning the second data whose read data length is the same as the predetermined data. The steps of the paragraph.

Preferably, the processor 503 is specifically configured to:

The first data segment and the number of consecutive repetitions d are written into the output data file in place of the repeated data segments.

Preferably, the processor 503 is further configured to:

It is judged whether or not the value of d is greater than or equal to a predetermined maximum value, and if so, a step of writing predetermined data and the number of consecutive repetitions d into the output data file instead of repeating the data segment is performed.

Preferably, the processor 503 is further configured to:

Clear the value of d to zero;

Determining whether the input data file to be compressed is compressed, and if not, returning to the step of searching for the repeated data segments existing in the input data file for continuously repeating the predetermined data, and determining the number of consecutive repetitions d.

The specific functions of the data compression device in this embodiment are similar to those described in FIG. 1 and FIG. 2 . For details, refer to the embodiments shown in FIG. 1 and FIG. 2 , and details are not described herein again.

Embodiments of the present invention also provide a computer readable storage medium having instructions stored therein that, when executed on a computer, cause the computer to perform the above-described FIG. 1 or FIG. 2 or FIG. 3 or FIG. The method shown.

An embodiment of the present invention further provides an FPGA, including an input device, an output device, a processor, and a memory, wherein the input device is configured to read an original FPGA load file, and the processor is configured to perform the foregoing shown in FIG. 1 or FIG. The data compression method compresses the original FPGA load file to obtain a compressed FPGA load file, and the memory is used to store the compressed FPGA load file.

An embodiment of the present invention further provides an FPGA, including an input device, an output device, a processor, and a memory, wherein the input device is configured to read a decompressed data file to be decompressed, and the processor is configured to execute the foregoing FIG. 3 or FIG. The data decompression method decompresses the original FPGA load file to obtain the decompressed FPGA load file, and the memory is used to store the decompressed FPGA load file.

The technical solution of the present invention may be embodied in the form of a software product, which may be stored in a computer readable storage medium, in whole or in part, or all or part of the technical solution. A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

The above embodiments are only used to illustrate the technical solutions of the present invention, and are not limited thereto; The present invention has been described in detail with reference to the foregoing embodiments, and those skilled in the art will understand that the technical solutions described in the foregoing embodiments may be modified, or some of the technical features may be equivalently replaced. Modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the invention.

Claims

A data compression method, comprising:

Obtain the original data file to be compressed;

Finding a repeated data segment that continuously repeats the predetermined data existing in the original data file, and determining the number of consecutive repetitions d;

The predetermined data and the number of consecutive repetitions d are written in the original data file in place of the repeated data segments, thereby compressing the repeated data segments.
The method according to claim 1, wherein the finding the repeated data segments that are continuously repeated for the predetermined data existing in the original data file, and determining the number of consecutive repetitions d includes:

Reading, from the original data file, a first data segment whose data length is n times the predetermined data, where n is a positive integer greater than or equal to 2;

Determining whether the first data segment is n consecutively repeated predetermined data, and if so, the number of repetitions d of recording the predetermined data is n;

Reading a second data segment whose data length is the same as the predetermined data, and determining whether the second data segment is the predetermined data segment, and if so, increasing the value of the d by 1, and returning the reading The step of data length having the same second data segment as the predetermined data.
The method according to claim 2, wherein the writing the predetermined data and the number of consecutive repetitions d into the original data file instead of the repeated data segment comprises:

The first data segment and the number of consecutive repetitions d are written in the original data file in place of the repeated data segment.
The method according to claim 2, further comprising: after adding the value of d to one, further comprising:

Determining whether the value of the d is greater than or equal to a predetermined maximum value, and if so, performing the step of writing the predetermined data and the number of consecutive repetitions d into the original data file instead of the repeated data segment .
The method according to any one of claims 1 to 4, wherein after the predetermined data and the number of consecutive repetitions d are written in the original data file in place of the repeated data segment, The method further includes:

Clear the value of d to zero;

Determining whether the original data file to be compressed is compressed, and if not, returning to the step of searching for the repeated data segments that are continuously repeated for the predetermined data existing in the original data file, and determining the number of consecutive repetitions d.
A data decompression method, comprising:

Obtaining a compressed data file to be decompressed, where the compressed data file includes at least one compressed data segment, the compressed data segment including predetermined data and a number of times d of the predetermined data consecutively repeated;

Reading predetermined data in the compressed data segment and the number of consecutive repetitions of the predetermined data d;

The predetermined data that is continuously repeated d times is written into the compressed data file in place of the compressed data segment, thereby decompressing the compressed data file to be decompressed.
The method according to claim 6, wherein said compressed data segment comprises n consecutively repeated said predetermined data and said predetermined number of consecutive repetitions of said predetermined data, wherein n is a positive integer greater than or equal to 2;

The reading the predetermined data in the compressed data segment and the number of consecutive repetitions of the predetermined data d includes:

Reading, from the compressed data file, a third data segment whose data length is n times the predetermined data;

Determining whether the third data segment is n consecutively repeated predetermined data, and if so, reading a fourth data segment of a predetermined length after the third data segment;

The number d of consecutive repetitions of the predetermined data is read from the fourth data segment.
The method according to claim 7, wherein said writing predetermined data consecutively repeated d times to said compressed data file instead of said compressed data segment comprises:

The predetermined data is repeatedly repeated d times to form a fifth data segment, and the fifth data segment is written to the compressed data file in place of the compressed data segment.
A data compression device, comprising: an input device, an output device, a processor, and a memory, wherein

The input device is configured to acquire a data file to be compressed;

The processor is configured to perform the following methods:

Finding a repeated data segment that continuously repeats the predetermined data existing in the data file, and determining the number of consecutive repetitions d;

The predetermined data and the number of consecutive repetitions d are written into the output data file to replace the repeated data segments, thereby compressing the repeated data segments.
The data compression device according to claim 9, wherein the processor is specifically configured to:

Reading, from the input data file, a first data segment whose data length is n times the predetermined data, where n is a positive integer greater than or equal to 2;

Determining whether the first data segment is n consecutively repeated predetermined data, and if so, the number of repetitions d of recording the predetermined data is n;

Reading a second data segment whose data length is the same as the predetermined data, and determining whether the second data segment is the predetermined data segment, and if so, increasing the value of the d by 1, and returning the reading The step of data length having the same second data segment as the predetermined data.
The data compression device according to claim 10, wherein the processor is specifically configured to:

The first data segment and the number of consecutive repetitions d are written in an output data file in place of the repeated data segment.
The data compression device according to claim 10, wherein the processor is further configured to:

Determining whether the value of the d is greater than or equal to a predetermined maximum value, and if so, performing the step of writing the predetermined data and the number of consecutive repetitions d into the output data file instead of the repeated data segment .
The data compression device according to claim 9, wherein the processor is further configured to:

Clear the value of d to zero;

Determining whether the input data file to be compressed is compressed, and if not, returning to the step of searching for the repeated data segments that are continuously repeated for the predetermined data existing in the input data file, and determining the number of consecutive repetitions d.
A computer readable storage medium, wherein the computer readable storage medium stores instructions that, when executed on a computer, cause the computer to perform as claimed in any one of claims 1 to The method described.
An FPGA comprising an input device, an output device, a processor and a memory, wherein the input device is for reading an original FPGA load file, the processor for performing the method of any one of claims 1 to 5 The data compression method compresses the original FPGA load file to obtain a compressed FPGA load file, and the memory is used to store the compressed FPGA load file.
An FPGA comprising an input device, an output device, a processor, and a memory, wherein the input device is configured to read a decompressed data file to be decompressed, and the processor is configured to perform the method of any one of claims 6 to The data decompression method decompresses the original FPGA load file to obtain a decompressed FPGA load file, and the memory is used to store the decompressed FPGA load file.