Design method for no-carry and non-dislocation n value arithmetic device

A design method and calculator technology, applied in optical computing equipment, computing, instruments, etc., can solve the problems of optical calculator manufacturing, simplification and reconstruction difficulties, slow progress in calculator design and manufacturing, and lack of design specifications.

Inactive Publication Date: 2007-11-07
SHANGHAI UNIV
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Problems solved by technology

[0002] In the research of ternary optical computer, due to the lack of practical design theory and stylized design norms, the design and manufacture of the arithmetic unit is slow, the design quality is difficult to g

Method used

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  • Design method for no-carry and non-dislocation n value arithmetic device
  • Design method for no-carry and non-dislocation n value arithmetic device
  • Design method for no-carry and non-dislocation n value arithmetic device

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Embodiment Construction

[0061] A preferred embodiment of the present invention is described in detail as follows in conjunction with accompanying drawing:

[0062] ① Application process of stylized superposition design technology

[0063] The devaluation design method is to design the arithmetic unit P h The truth table L for (n) k (n) decomposed into a series of primitive table BL h (n) superposition formula, and then design each primitive table BL h (n) The corresponding operation primitive A h (n), and finally use the compositor to superpose each operation primitive A h (n), which constitutes the operator P h (n).

[0064] With the ternary logic in ternary optical computer 2 Taking the design of an optical arithmetic unit as an example, the devaluation design method is applied, and the steps are as follows:

[0065] Step 1: Write three-valued logic 2 The truth table L of the operator k (3):

[0066]

[0067] Step 2: Determine the physical state of D and the compositor:

[0068] Th...

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Abstract

The invention relates to non carry borrow n value arithmetic device design method. It uses depreciation design method, divides the n value arithmetic Ph(N) truth table Lk(n) into a set of primitive table BLh(n) superposing type, respectively designs out arithmetic primitive Ah(n), uses superposing type to superpose each arithmetic primitive Ah(n) to form n value arithmetic device Ph(n). The invention has conventionalization and standardization design process, suits for fast or auto design, base device reconstruction and multiplexing. This method can be used in various non carry borrow n value arithmetic devices design.

Description

technical field [0001] The invention relates to a design method of an n-value arithmetic unit without carry and borrow. Background technique [0002] In the research of ternary optical computer, due to the lack of practical design theory and stylized design norms, the design and manufacture of the arithmetic unit progress slowly, the design quality is difficult to guarantee, and the same arithmetic unit is designed by different people. different design light paths. This status quo brings great difficulties to the manufacture, simplification and reconstruction of optical processors. Contents of the invention [0003] The purpose of the present invention is to provide a reasonable and effective design method of non-carry and non-borrow n-value arithmetic unit, realize stylized and standardized design, and be suitable for fast or automatic design. [0004] The present invention is a devaluation design method of a no-carry and no-borrow optical arithmetic unit, which utilize...

Claims

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Application Information

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IPC IPC(8): G06E1/00
Inventor 严军勇金翊左开中
Owner SHANGHAI UNIV
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