JIT in PHP 8
summary
An overview of the PHP 8 JIT implementation: why JIT was added to improve PHP performance, how the JIT was developed and how it works internally, plus the current results and planned future directions. The talk describes concrete work done in the PHP core (by Dmitry Stogov) including design and implementation details of the JIT and its expected evolution.
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chapters (8)
- 0:00Introduction
- 3:51PHP performance evolution
- 5:54JIT goals in PHP
- 11:56How JIT works in PHP 8
- 17:55Function JIT issues
- 23:30Tracing JIT approach
- 34:10JIT results and tests
- 37:02Q&A
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