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GNO - Global Nominal Optimization
GNO is a state-of-the-art stochastic optimization engine especially for optimization of circuits with non-linear behaviour. This enables to find global maxima and minima of the performance function.
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GNO-GUI Reference: Notebook Tab
A list of a user-defined number of best samples of all performed sample generations can be shown in a notebook tab. The samples are sorted by the distance of their performance values to the specification bounds. The best sample is displayed on top of the list. If two or more samples have got the same design parameter set, only one sample of these samples is displayed. For each sample the number and performance values are displayed. The status of each sample is indicated by the color of its checkbox and performance values and therefore can easily analyzed by the designer.
GNO-GUI Reference: Generations Notebook Tab
The Generations notebook tab of the main window displays the performance values over the iterations, whereas a single graph is drawn for each performance of interest. Green dots represent the performance values for the initial operating parameter values. If worst-case operating conditions are taken into account,
- worst-case performance values for an upper specification are represented by light blue dots and
- worst-case performance values for a lower specification are represented by dark blue dots.
Clicking on a data point with the right mouse button shows a popup menu, which allows the user to view or append that data point.
If constraints are considered, the last graph displays the number of violated constraints per iteration.
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