PHP 8.1: real-life performance benchmarks
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PHP 8.1: real-life performance benchmarks
I did a very quick performance test because I wanted to know the impact of PHP 8.1 on my real-life projects.
These benchmarks were taken on my local machine, and only meant to measure the relative difference between PHP 8.0 and 8.1. I benchmarked a page that showed lots of data, with lots of classes loaded, as I expected that inheritance cache would have the largest performance impact.
Metric PHP 8.0 PHP 8.1 Requests per second (#/sec) 32.02 34.75 Time per request (ms) 28.777 31.232The results seem to be in line what what Dmitry originally reported when he added this feature: a 5-8% performance increase.
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Footnotes
New in PHP 8.1 — A comprehensive list of all things new in PHP 8.1
Readonly properties in PHP 8.1
New in initializers in PHP 8.1
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