# Plugin Preferences

Description | Usage | Method | See Also

## Description

Draco offers a number of preferences related to the plugin system. The plugin systems can scan any number of directories for valid Draco plugins once they are added via the preferences dialog. Futhermore, parallel features of the plugin system can be controlled.

## Usage

To access the plugin preferences, first open the preferences dialog. Next select the tab labeled "Plugins."
The main text box lists all directories that the plugin system scans for Draco plugins. The system plugin directory, however, will not be listed.
To add another directory, press the Add button and navigate to the directory to scan. Directories can be removed from the list by selecting the directory from the list and pressing the Remove button.
The Use parallel matrix multiply checkbox enables parallel matrix multiplication in the JLMatrix library. The parallel matrix multiplication scheme uses a thread queue to perform intermediate multiplication steps when the matrix size exceeds an internal threshold. The final number box specifies the number of threads available for parallel JLMatrix operations.
The changes will take effect when the Ok button is pressed.

## See Also

Preferences Overview
Plugin System Overview
Plugin System Technical Details

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