Brent • 2/6/2019

PHP 8: The JIT

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This article explores the introduction of the JIT (Just-In-Time) compiler in PHP 8. It explains what JIT compilation is, how it identifies and optimizes 'hot' code paths, and discusses its performance implications. The author notes that while JIT shows significant gains in computational tasks (like fractal generation), its benefits in typical web request scenarios may be more limited, and weighs the opportunities and maintenance complexities it brings to PHP.

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#performance #compiler #php
PHP 8: The JIT

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