METHOD, SYSTEM, AND PROGRAM PRODUCT FOR ACCOMMODATING SPATIALLY-CORRELATED VARIATION IN A PROCESS PARAMETER

Patent №

US 7,212,946

Granted

2007-05-01

Filed 2005

Owner

INTERNATIONAL BUSINESS MACHINES CORPORATION

Lab

AI components

1

hardware

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

11272234

The invention provides a method, system, and program product for accommodating spatially-correlated variation in a process parameter during statistical timing of a circuit. In one embodiment, the method includes dividing an area of the circuit into a plurality of grid cells; associating an independent random variable with each of the plurality of grid cells; and expressing at least one spatially-correlated parameter of a first grid cell as a function of the random variables associated with the first grid cell and at least one neighboring grid cell.

AI hardwareG06F 30/3312

AI classification

AI hardware0.58

Knowledge representation0.06

Evolutionary computation0.01

Machine learning0.00

Natural language0.00

Vision0.00

Planning0.00

Speech0.00

Ownership

INTERNATIONAL BUSINESS MACHINES CORPORATION

assignment · 171240775

Assignors

VENKATESWARAN, NATESAN, VISWESWARIAH, CHANDRAMOULI, ZHANG, LIZHENG, ZOLOTOV, VLADIMIR

On an employer assignment, the assignors are typically the inventors.

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METHOD, SYSTEM, AND PROGRAM PRODUCT FOR ACCOMMODATING SPATIALLY-CORRELATED VARIATION IN A PROCESS PARAMETER · 44B