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Method for quickly changing address by software

A software-implemented, fast address technology, applied in the field of computer addressing, can solve the problems of tedious calculation, inconvenient use, shortened product working time, etc., and achieve the effect of reducing energy consumption, computing overhead, and address comparison judgment calculation.

Inactive Publication Date: 2010-05-12
VIMICRO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are cumbersome calculations in the above two methods, which shortens the working time of the product and makes it inconvenient to use

Method used

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  • Method for quickly changing address by software
  • Method for quickly changing address by software
  • Method for quickly changing address by software

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] Take a convolution operation as an example.

[0035] y ( n ) = Σ k = 0 N x ( n - k ) · h ( k )

[0036] First initialize the length register (BK), effective base address (EFB), and tail address (EOB). Then, the data is filled sequentially in the order in which the buffers are arranged.

[0037] According to the size of the length register (BK), it is decided whether to use data movement for addressing or to use the circular addressing mentioned in the present invention. If data migration is used, such as figure 1 As shown, after the n=i operation is completed, the calculation of n=i+1 will be performed. Since the data corresponding to h(N) has become useless historical data, the data co...

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Abstract

A method of utilizing fast changing address by software includes initializing parameter used in method, initializing data of buffer region, selecting mode of data address conversion, carrying out dataoperation, inputting new data, judging and ending process.

Description

technical field [0001] The invention relates to computer addressing technology, in particular to a method for realizing fast address transformation by using software. Background technique [0002] Computer technology has been applied to various fields. Due to different application methods and various restrictions in various fields, there are different requirements for computer addressing technology. For example, in digital signal processing, operations such as filtering, convolution, Fourier transform, etc. are performed on digital signals. Performing these operations requires saving historical data for subsequent operations, and requires time alignment of the data. [0003] In particular, digital filtering is an essential algorithm in applications such as speech and image processing, pattern recognition, and spectral analysis. [0004] Take a convolution operation as an example. [0005] y ( n ) = ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F12/10G06F12/1045
Inventor 王箫程林中松邓昊冯宇红
Owner VIMICRO CORP