forked from https://github.com/symfony/symfony
fd720ed704
This PR was merged into the 4.2 branch.
Discussion
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[Routing] fix perf issue when dumping large number of routes
| Q | A
| ------------- | ---
| Branch? | 4.2
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | #29918
| License | MIT
| Doc PR | -
In my reproducer, dumping 12k routes goes from 40s to 3s without xdebug, and from 50s to 12s with xdebug.
There is a lower level issue which is that `strpos` is called 16M times, but that's still a lot faster than calling `preg_match` 16M times. Reducing the number of checks is certainly possible, but that would be more involving. This could happen on master if someone is up to dig into it.
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| CHANGELOG-4.0.md | ||
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| README.md | ||
| UPGRADE-4.0.md | ||
| UPGRADE-4.1.md | ||
| UPGRADE-4.2.md | ||
| UPGRADE-5.0.md | ||
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