Benchmarking PHP code the right way скачать в хорошем качестве

Benchmarking PHP code the right way

Try our PHP Profiler: https://tideways.com/profiler/feature... Subscribe to my newsletter for PHP performance content: https://tideways.com/newsletter?utm_s... In this video, I show a list of preconditions for good benchmarking. One helpful tool for designing good benchmarks is Hyperfine, and I want to show how it works, what its benefits are, and what problems you still need to account for. https://tideways.com/profiler/blog/ho... Chapters: 00:00 Introduction 00:40 What is Hyperfine ? 01:27 Problems in Benchmarking PHP code 02:42 1. Not using a production equivalent environment 05:12 2. Writing PHP code that OPcache optimizes away 07:49 3. Not accounting for load on the test machine 09:10 4. Not accounting for startup time 10:38 5. Not repeating the tests 12:39 6. Not using statistical methods to compare the performance 14:40 7. Optimizing what does not matter 19:21 Conclusion