The article explains how GCC developers use Valgrind and callgrind to measure and optimize compiler performance, emphasizing the importance of actual measurement over assumptions about performance bot
tlenecks. It demonstrates this through practical examples, including how a simple fix led to significant performance improvements, and advocates for regular performance measurement in software development.
Reasons to Read -- Learn:
how to effectively use Valgrind and callgrind for performance profiling without requiring code recompilation, which can help you identify unexpected performance bottlenecks in your own projects
practical performance optimization techniques that led to a 15% compile time improvement with just a two-line code change, demonstrating the value of systematic performance measurement
implementing a daily performance measurement regiment in your development process, including how to compare performance across different code versions and identify potential performance regressions early
publisher: Red Hat Developers | Red Hat Developer
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