You may want to convert your dashboard panel (that is powered by an inline search) to a Splunk report, so that it can have some of the advantages that report-based panels have over inline-search-powered panels, such as faster loading times due to report acceleration.
In the following screenshot, I have clicked on Convert to Report and added a Report Title and Description on the Convert to Report dialog:
Now our dashboard panel is based on a Splunk report:
Did you notice how our magnifying icon has changed? It is no longer the Search Report icon. Let's click on it:
We see Prior Year Forecasting Events (which is what we named the report) and get a confirmation:
Of course, as you can see, Splunk allows us more options for our dashboard panel, such as: View, Open in Search, Clone (back) to an Inline Search, Select a New Report, and Use Report...