[PropertyInfo] Adds static cache to PhpStanExtractor
#54894
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Please target 7.1. We usually don't merge performance improvements into LTS branches. |
src/Symfony/Component/PropertyInfo/Extractor/PhpStanExtractor.php
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src/Symfony/Component/PropertyInfo/Extractor/PhpStanExtractor.php
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src/Symfony/Component/PropertyInfo/PhpStan/NameScopeFactory.php
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Shouldn't we now also implement the |
If so, the |
If all we store is class metadata, we don't need a reset IMHO as the leak is upper bounded, and resetting might effect performance of long running kernels for little memory savings in the end. |
| if (null === $docNode) { | ||
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| $nameScope = $this->contexts[$class.$declaringClass] ??= $this->nameScopeFactory->create($class, $declaringClass); |
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| $nameScope = $this->contexts[$class.$declaringClass] ??= $this->nameScopeFactory->create($class, $declaringClass); | |
| $nameScope = $this->contexts[$class.'/'.$declaringClass] ??= $this->nameScopeFactory->create($class, $declaringClass); |
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would it make sense to move this inside the loop, right before the nested foreach?:
$nameScope ??= $this->contexts[$class.'/'.$declaringClass] ??= $this->nameScopeFactory->create($class, $declaringClass);There was a problem hiding this comment.
would it make sense to move this inside the loop, right before the nested foreach?:
You mean here?
Sounds reasonable to me. It may make sense to skip creating one unless really needed (and since my change is all about re-using a created one, it hardly influences performance).
src/Symfony/Component/PropertyInfo/Extractor/PhpStanExtractor.php
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Thank you @mvhirsch. |
I was able to detect a performance penalty when using dozens of traits in even more classes. The
PhpStanExtractorcreates aNameScopeevery time, but afaik this can be cached like inPhpDocExtractor(see #32188).The performance impact is impressive, as it reduces the time needed for my
TestCaseby 30%. See Blackfire profile comparison.