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Method and system for judging relevance between integrated circuit performance and complex network characteristics

A complex network, integrated circuit technology, applied in CAD circuit design, electrical digital data processing, special data processing applications, etc.

Inactive Publication Date: 2020-03-31
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the physical design of traditional EDA tools still has many problems in solving optimization and improving efficiency.

Method used

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  • Method and system for judging relevance between integrated circuit performance and complex network characteristics
  • Method and system for judging relevance between integrated circuit performance and complex network characteristics
  • Method and system for judging relevance between integrated circuit performance and complex network characteristics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] This embodiment discloses a method for determining the correlation between the performance of an integrated circuit and its complex network characteristics. The specific embodiments of the present invention will be described in detail below based on the drawings. figure 1 It shows a schematic diagram of the operation mechanism of the correlation analysis method of the present invention. Specifically:

[0049] Step (1) Select multiple different initial circuits. The initial circuit mainly refers to the circuit without physical design, which can be in the format of LEF / DEF, GSRC bookshelf, etc. It mainly provides the size, position, direction, wiring information of each module in the integrated circuit, the connection relationship between the modules, and the description object And net weight and so on.

[0050] Step (2) Multi-tool layout. The initial circuit is laid out through different physical design layout tools to obtain layout diagrams with different circuit performanc...

Embodiment 2

[0083] The purpose of this embodiment is to provide a computing device, including a memory, a processor, and a computer program stored on the memory and capable of running on the processor. The processor implements the following steps when the program is executed, including:

[0084] The physical design includes the following steps:

[0085] (1) Choose a number of different initial circuits without physical design.

[0086] (1) Use EDA tools to convert all initial circuits into the standard format required by the physical design layout.

[0087] (2) Choose a variety of different layout tools, such as capo, fastplace, dragon, mpl, ntuplace, etc.

[0088] (3) Run the circuit after format conversion in a selected layout tool to obtain the layout diagram generated under this tool, and record the circuit performance of the layout diagram generated by this circuit, such as bus half circumference (HPWL), etc.

[0089] (4) Repeat step (3) until all circuits are running on all selected layout too...

Embodiment 3

[0109] The purpose of this embodiment is to provide a computer-readable storage medium.

[0110] A computer-readable storage medium having a computer program stored thereon, and the steps performed when the program is executed by a processor are the same as those in the second embodiment.

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PUM

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Abstract

The invention discloses a method and a system for judging relevance between integrated circuit performance and complex network characteristics thereof. The method comprises the following steps: carrying out multi-tool physical design on a super-large-scale integrated circuit in a layout and wiring stage in the physical design, i.e., carrying out layout and wiring on an initial circuit by using different tools to obtain completely different layout diagrams and layouts so as to obtain different circuit performances; afterwards, complex network conversion is conducted on the layout diagram and the layout of the circuit, feature parameters of a complex network diagram of the circuit are calculated through a complex network analysis tool, network feature parameter-circuit performance correlation coefficients are calculated according to circuit performance changes and feature parameter changes, and the correlation between the performance of the integrated circuit and the feature parameters of the complex network is judged. According to the invention, the circuit performance and characteristics are not changed in the process of carrying out complex network conversion on the layout diagramand the layout, and the method has transparency.

Description

Technical field [0001] The invention belongs to the technical field of applying complex network theory to the physical design of integrated circuits, and in particular relates to a method and system for determining the correlation between integrated circuit performance and its complex network characteristics. Background technique [0002] The statements in this section merely provide background information related to the present disclosure, and do not necessarily constitute prior art. [0003] VLSI is short for Very Large Scale Integration Circuit (Very Large Scale Integration Circuit), which integrates millions of transistors on a single silicon chip. At present, with the rapid development of integrated circuit technology, more and more VLSI components are integrated on a single chip, the density is further increased, and the circuit structure is more complex. In order to ensure that the optimization of chip performance requires continuous improvement of chip optimization design ...

Claims

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Application Information

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IPC IPC(8): G06F30/33G06F30/392G06F30/398
Inventor 聂廷远范博朱祖元李言胜
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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