-qdirectstorage
Category
Pragma equivalent
None.
Purpose
Informs the compiler that a given compilation unit may reference write-through-enabled or cache-inhibited storage.
Defaults
-qnodirectstorage
Usage
Use this option with discretion. It is intended for programmers who know how the memory and cache blocks work, and how to tune their applications for optimal performance. To ensure that your application will execute correctly on all implementations, you should assume that separate instruction and data caches exist and program your application accordingly.
