Stop Micro-Optimizing Your PHP Code (Unless You Rely On This)
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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/ho...
Compiler Optimized Functions: https://tideways.com/profiler/blog/co...
sprintf Optimization in PHP 8.4 https://tideways.com/profiler/blog/ne...
Add OPcode specialization for === [] https://github.com/php/php-src/pull/1...
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
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