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25. Performance Considerations

The GNAT system provides a number of options that allow a trade-off between

The defaults (if no options are selected) aim at improving the speed of compilation and minimizing dependences, at the expense of performance of the generated code:

These options are suitable for most program development purposes. This chapter describes how you can modify these choices, and also provides some guidelines on debugging optimized code.

25.1 Controlling Run-Time Checks  
25.2 Optimization Levels  
25.3 Debugging Optimized Code  
25.4 Inlining of Subprograms  

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