Bug 75130 [Workbench] Workbench could avoid re-reading feature ini's to speed startup
Build 3.0.1. This is a very small improvement, but it was large enough to show up on my list of potential optimizations. Essentially it avoids re-reading the feature INI's on startup. Our product has LOTS of feature plug-ins (103), so this adds up. Attached is the proposed change; it isn't sophisticated, essentially saying "if I had at least one tips and tricks / welcome page before, I probably have one now". To be more robust, the stored preference would have to be cleared on a -clean. The net savings on a 3GHz P4 / 2G RAM was 181ms for multiple warm runs. It obviously should be a tad larger for cold runs on a less performant machine.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
private NewWizardMenu newWizardMenu;
    private IContributionItem pinEditorContributionItem;
    
    
    private StatusLineContributionItem statusLineItem;
    private Preferences.IPropertyChangeListener prefListener;
    
    
    private IPropertyChangeListener propPrefListener;
    private IPageListener pageListener;
    private IResourceChangeListener resourceListener;
    
    /**
     * Indicates if the action builder has been disposed
     */
    private boolean isDisposed = false;
    
    /**
     * Constructs a new action builder which contributes actions
     * to the given window.
     * 
     * @param configurer the action bar configurer for the window
     */
    public WorkbenchActionBuilder(IActionBarConfigurer configurer) {
        super(configurer);
        window = configurer.getWindowConfigurer().getWindow();
    }
    /**