In Strategy Developer 9.x, reports can let users know if a cache was used by printing the Report Details line "Report Cache Used: Yes/No" as seen below.

ACTION
To enable or disable this setting, navigate to the Developer Preferences in the Tools menu of Strategy Developer 9.x, as seen below.

The option is located under Tools > Preferences > Reports > Report Details, as seen below.

With "Show report details" and "Include cache status" checked, the Report Details section will then inform users if a cache has been used.
Note: These settings do not have any influence over the Report Details section in Strategy Web. For more information on how to determine if a report hit cache through Strategy Web 9.x, refer to tech note TN19211.