The SORTED and VALIDATED flags are two important flags that SAS uses to optimize processing. This post shows you how to use them to your advantage.
Do you have a SAS library with small data sets that you access frequently? Let it reside in memory. This post shows you how the MEMLIB option lets you create SAS libraries in memory directly in the libname statement.
This posts demonstrates how easy it is to track performance of your SAS programs using the LOGPARSE macro provided by SAS Institute. The post also contains an example of how to save the performance statistics in a SAS data set.