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In this video I talk about micro-optimizing PHP, how they are not worth their time in 95% of all cases, but how there is a next level where they make an impact.
Along the way I talk about:
- Hyperfine for Benchmarking: https://tideways.com/profiler/blog/how-we-use-hyperfine-to-measure-php-engine-performance?utm_campaign=yt-stop-microoptimizing
- Compiler Optimized Functions: https://tideways.com/profiler/blog/compiler-optimized-php-functions?utm_campaign=yt-stop-microoptimizing
- sprintf Optimization in PHP 8.4 https://tideways.com/profiler/blog/new-in-php-8-4-engine-optimization-of-sprintf-to-string-interpolation?utm_campaign=yt-stop-microoptimizing
- Add OPcode specialization for === [] https://github.com/php/php-src/pull/18571
00:00 Introduction
00:48 micro-benchmark, or not?
02:49 Empty Array Micro Benchmark
07:20 Optimizing in the PHP Engine
15:32 My thoughts
