Performance Considerations › Resource Management › Conserving Resources › Size of the Application

Size of the Application

The size of dialog premap and response processes, the number of data fields included in a map, and the size of records affect the performance of the CA ADS runtime system. The actual number of I/Os required to load a complete program is dependent upon the size of a page in the DDLDCLOD area, the amount of overflow that will be encountered to load that record, and the size of the actual program being loaded. Therefore, the following benefits are realized by minimizing the size of programs:

• A reduction in the work required to load a small program as compared to a large program
• A reduction in time spent loading a particular program in the program pool or reentrant pool
• A reduction in time spent waiting for space in the program pool or reentrant pool

Under the DC/UCF system, the term program includes dialogs, edit and code tables, maps, subschemas, and online and batch programs.