Data operation device and related product
A computing device and data technology, applied in the field of information processing, can solve the problems of incompatibility, large adder area, etc.
Active Publication Date: 2019-04-05
SHANGHAI CAMBRICON INFORMATION TECH CO LTD
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Problems solved by technology
In various calculation tasks, different data formats of the data to be calculated will have different effects on the calculation efficiency and calculation accuracy of the calculation device, and cannot meet the needs of different calculation tasks.
For example, the data format of the data to be calculated can be a fixed-point number. For numbers with the same bit width, the representation range of the fixed-point number is negatively related to the precision. larger area
Method used
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[0056] Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
[0057] The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments.
[0058] In addition, in order to better illustrate the present disclosure, numerous specific details are given in the following specific implementation manners. It will be understood by those skilled in the art that the present disclosure may be practiced without some of the specific details. In some instances, methods, means, componen...
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The present disclosure relates to a data operation device and a related product, the device being used for an addition operation of a floating point number, the floating point number comprising an index and an effective number, the device comprising: a determination module for determining a larger number and a smaller number in a first floating point number and a second floating point number; Thesignificant number determining module is used for shifting the significant number of the decimal number and carrying out para-position addition on the shifted significant number of the decimal numberand the significant number of the decimal number to obtain a para-position addition result; And the determining module is used for obtaining a sum index according to an alignment adding result and theindex of the larger number, and obtaining the sum of the first floating point number and the second floating point number according to the alignment adding result and the sum index. According to theembodiment of the invention, the judgment of the larger number and the smaller number and the displacement of the effective number of the smaller number can enable the addition operation process of the floating fixed point number to be efficient and the operation result to be accurate. On the basis of ensuring the data expression range, the area occupied by the adder in a chip can be reduced.
Description
technical field [0001] The present disclosure relates to the technical field of information processing, and in particular to a data computing device and related products. Background technique [0002] With the continuous development of information technology, there is an increasing demand for using computing devices to complete various computing tasks. In various calculation tasks, different data formats of the data to be calculated will have different effects on the calculation efficiency and calculation accuracy of the calculation device, and cannot meet the needs of different calculation tasks. For example, the data format of the data to be calculated can be a fixed-point number. For numbers with the same bit width, the representation range of the fixed-point number is negatively related to the precision. The area is larger. Contents of the invention [0003] In view of this, the present disclosure proposes a data operation device and related products to improve the p...
Claims
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IPC IPC(8): G06F7/483G06F9/30G06N3/063
CPCG06F7/483G06F9/30007G06F9/30021G06N3/063
Inventor 不公告发明人
Owner SHANGHAI CAMBRICON INFORMATION TECH CO LTD