forked from https://github.com/symfony/symfony
e457b24ea7
This PR was merged into the 4.4 branch.
Discussion
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[DI] fix preloading script generation
| Q | A
| ------------- | ---
| Branch? | 4.4
| Bug fix? | yes
| New feature? | no
| Deprecations? | no
| Tickets | -
| License | MIT
| Doc PR | -
(fabbot failure is a false positive)
On master, we should work on being able to preload more classes (esp. all cache-warmup artifacts).
But for 4.4, this is good enough. Submitted as a bug fix because 1. the current code that deals with preloading kinda-works, but only on "dev" mode... and 2. fixing it provides a nice boost!
Small bench on a hello world:
- before: 380 req/s
- after: 580 req/s
That's +50%!
Pro-tip: adding a few `class_exists()` as done in this PR for the classes that are always used in the implementations (e.g. `new Foo()` in the constructor) will help the preload-script generator to work optimally. Without them, it will discover the symbols to preload only if they're found on methods.
Some of those `class_exists()` are mandatory, in relation to anonymous classes and https://bugs.php.net/79349
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| .php_cs.dist | ||
| .travis.yml | ||
| CHANGELOG-4.0.md | ||
| CHANGELOG-4.1.md | ||
| CHANGELOG-4.2.md | ||
| CHANGELOG-4.3.md | ||
| CHANGELOG-4.4.md | ||
| CODE_OF_CONDUCT.md | ||
| composer.json | ||
| CONTRIBUTING.md | ||
| CONTRIBUTORS.md | ||
| LICENSE | ||
| link | ||
| phpunit | ||
| phpunit.xml.dist | ||
| README.md | ||
| UPGRADE-4.0.md | ||
| UPGRADE-4.1.md | ||
| UPGRADE-4.2.md | ||
| UPGRADE-4.3.md | ||
| UPGRADE-4.4.md | ||
| UPGRADE-5.0.md | ||
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