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2.2.3. Use the correct tools with the correct
Using the right tools or tools with the right settings can
significantly impact performance. Ensure you are using the correct
tools with the latest updates and setting appropriate for your device:
- Use the latest
Compile your application
with the latest versions of your development tools. This ensures
your application benefits from the latest stability improvements
and performance optimizations.
- Rebuild everything after a tools
If you change tools
or versions of tools, ensure you recompile everything so all the
software benefits from the changes.
- Build for the correct architecture
There are different versions of
application processor architectures. To ensure the best performance,
ensure you build for the correct version. If you build for an older
architecture version and run on a newer version, performance might
- Use the facilities in your hardware
If your platform has hardware floating
point, Vector Floating Point (VFP), or NEON™, ensure the compiler is set to
build for it. Also consider using libraries that take advantage
of these hardware features.
If your operating systems supports hard floating point, ensure
the entire system and support libraries are built to support it.
- Optimize your release build
Ensure that for release, you set
your compiler to produce binaries optimized for speed. These provide
the best performance.
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