To improve the performance of administrator forms, do the following:
Specify TargetResources that only fetch specific resources for editing. (See Tuning Workflows for more information.)
Use cacheList and cacheTimeout caching parameters for objects that change infrequently if you are working with FormUtil.getResourceObjects or FormUtil.listResourceObjects.
Store the results of time-consuming calculations and fetches in <Field> elements and evaluate in the <Default> expression to help ensure that an operation occurs only one time.
Use update.constraints to limit which resources are fetched at runtime (see Dynamic Tabbed User Form in Oracle Waveset 8.1.1 Deployment Reference).
Use background approval (ManualAction with different owners and one-second timeouts) for faster page submissions.
Be aware that Waveset refreshes all fields defined on all panels of a Tab Panel Form when the page reloads, regardless of which panel is selected.