Rational Developer for System z
COBOL for Windows, Version 7.5, Programming Guide


Evaluating performance

Fill in the following worksheet to help you evaluate the performance of your program. If you answer yes to each question, you are probably improving the performance.

In thinking about the performance tradeoff, be sure you understand the function of each option as well as the performance advantages and disadvantages. You might prefer function over increased performance in many instances.

Table 76. Performance-tuning worksheet
Compiler option Consideration Yes?
DYNAM Do you use NODYNAM? Consider the performance tradeoffs.  
OPTIMIZE Do you use OPTIMIZE for production runs? Can you use OPTIMIZE(FULL)?  
SSRANGE Do you use NOSSRANGE for production runs?  
TEST Do you use NOTEST for production runs?  
TRUNC Do you use TRUNC(OPT) when possible?  

related tasks
Choosing compiler features to enhance performance

related references
Performance-related compiler options


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