How We Made PHP 7 Twice as Fast as PHP 5
summary
The talk explains how the PHP 7 release achieved roughly a twofold speedup over PHP 5 by redesigning internal data structures and algorithms. It covers the core implementation changes in PHP (internal architecture, base data structures, and algorithms) that enabled the performance gains and mentions new ideas being implemented for future versions.
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chapters (8)
- 0:00Introduction to PHP
- 8:46Moving to PHP 7 goals
- 13:19Zval structure optimization
- 20:31Arrays and objects changes
- 27:54Memory and algorithm optimizations
- 33:30PHP 7.1 bytecode optimizations
- 43:27PHP future JIT and new approaches
- 45:32Q&A
