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#7527 performance benchmark - verifying performance impact of inferred query parameter types

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As an example result:

```
./phpbench.phar run tests/Doctrine/Performance/Query --iterations=50 --revs=50 --report=aggregate
PhpBench 0.15-dev (dcbe193). Running benchmarks.
Using configuration file: /home/ocramius/Documents/doctrine/doctrine2/phpbench.json

\Doctrine\Performance\Query\QueryBoundParameterProcessingBench

    benchExecuteParsedQueryWithInferredParameterTypeI49 P0 	[μ Mo]/r: 643.684 634.664 (μs) 	[μSD μRSD]/r: 17.700μs 2.75%
    benchExecuteParsedQueryWithDeclaredParameterTypeI49 P0 	[μ Mo]/r: 97.673 94.251 (μs) 	[μSD μRSD]/r: 8.259μs 8.46%

2 subjects, 100 iterations, 100 revs, 0 rejects, 0 failures, 0 warnings
(best [mean mode] worst) = 88.460 [370.679 364.458] 127.400 (μs)
⅀T: 37,067.880μs μSD/r 12.980μs μRSD/r: 5.603%
suite: 133f0e30090f815142331ebec6af18241694e7c0, date: 2018-12-19, stime: 10:47:10
+------------------------------------+--------------------------------------------------+--------+--------+------+-----+------------+-----------+-----------+-----------+-----------+----------+--------+-------+
| benchmark                          | subject                                          | groups | params | revs | its | mem_peak   | best      | mean      | mode      | worst     | stdev    | rstdev | diff  |
+------------------------------------+--------------------------------------------------+--------+--------+------+-----+------------+-----------+-----------+-----------+-----------+----------+--------+-------+
| QueryBoundParameterProcessingBench | benchExecuteParsedQueryWithInferredParameterType |        | []     | 50   | 50  | 5,970,568b | 604.680μs | 643.684μs | 634.664μs | 677.640μs | 17.700μs | 2.75%  | 6.59x |
| QueryBoundParameterProcessingBench | benchExecuteParsedQueryWithDeclaredParameterType |        | []     | 50   | 50  | 5,922,424b | 88.460μs  | 97.673μs  | 94.251μs  | 127.400μs | 8.259μs  | 8.46%  | 1.00x |
+------------------------------------+--------------------------------------------------+--------+--------+------+-----+------------+-----------+-----------+-----------+-----------+----------+--------+-------+
```

This indicates that the performance impact for NOT declaring parameter types
explicitly is *MASSIVE*.
This commit is contained in:
Marco Pivetta 2018-12-19 10:52:11 +01:00
parent 23af164d7a
commit ca436f0bae
2 changed files with 109 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
tests/Doctrine/Performance/EntityManagerFactory.php
View File

@ -2,6 +2,10 @@
namespace Doctrine\Performance; namespace Doctrine\Performance;
use Doctrine\Common\EventManager;
use Doctrine\DBAL\Cache\ArrayStatement;
use Doctrine\DBAL\Cache\QueryCacheProfile;
use Doctrine\DBAL\Connection;
use Doctrine\DBAL\Driver\PDOSqlite\Driver; use Doctrine\DBAL\Driver\PDOSqlite\Driver;
use Doctrine\ORM\Configuration; use Doctrine\ORM\Configuration;
use Doctrine\ORM\EntityManager; use Doctrine\ORM\EntityManager;
@ -20,7 +24,7 @@ final class EntityManagerFactory
$config->setAutoGenerateProxyClasses(ProxyFactory::AUTOGENERATE_EVAL); $config->setAutoGenerateProxyClasses(ProxyFactory::AUTOGENERATE_EVAL);
$config->setMetadataDriverImpl($config->newDefaultAnnotationDriver([ $config->setMetadataDriverImpl($config->newDefaultAnnotationDriver([
realpath(__DIR__ . '/Models/Cache'), realpath(__DIR__ . '/Models/Cache'),
realpath(__DIR__ . '/Models/GeoNames') realpath(__DIR__ . '/Models/GeoNames'),
], true)); ], true));
$entityManager = EntityManager::create( $entityManager = EntityManager::create(
@ -36,4 +40,29 @@ final class EntityManagerFactory
return $entityManager; return $entityManager;
} }
public static function makeEntityManagerWithNoResultsConnection() : EntityManagerInterface
{
$config = new Configuration();
$config->setProxyDir(__DIR__ . '/../Tests/Proxies');
$config->setProxyNamespace('Doctrine\Tests\Proxies');
$config->setAutoGenerateProxyClasses(ProxyFactory::AUTOGENERATE_EVAL);
$config->setMetadataDriverImpl($config->newDefaultAnnotationDriver([
realpath(__DIR__ . '/Models/Cache'),
realpath(__DIR__ . '/Models/Generic'),
realpath(__DIR__ . '/Models/GeoNames'),
], true));
// A connection that doesn't really do anything
$connection = new class ([], new Driver(), null, new EventManager()) extends Connection
{
public function executeQuery($query, array $params = [], $types = [], QueryCacheProfile $qcp = null)
{
return new ArrayStatement([]);
}
};
return EntityManager::create($connection, $config);
}
} }

79
tests/Doctrine/Performance/Query/QueryBoundParameterProcessingBench.php Normal file
View File

@ -0,0 +1,79 @@
<?php
declare(strict_types=1);
namespace Doctrine\Performance\Query;
use DateTime;
use Doctrine\DBAL\Types\DateTimeType;
use Doctrine\ORM\Query;
use Doctrine\Performance\EntityManagerFactory;
use PhpBench\Benchmark\Metadata\Annotations\BeforeMethods;
use function range;
/**
* @BeforeMethods({"init"})
*/
final class QueryBoundParameterProcessingBench
{
/** @var Query */
private $parsedQueryWithInferredParameterType;
/** @var Query */
private $parsedQueryWithDeclaredParameterType;
public function init() : void
{
$entityManager = EntityManagerFactory::makeEntityManagerWithNoResultsConnection();
// Note: binding a lot of parameters because DQL operations are noisy due to hydrators and other components
// kicking in, so we make the parameter operations more noticeable.
$dql = <<<'DQL'
SELECT e
FROM Doctrine\Tests\Models\Generic\DateTimeModel e
WHERE
e.datetime = :parameter1
OR
e.datetime = :parameter2
OR
e.datetime = :parameter3
OR
e.datetime = :parameter4
OR
e.datetime = :parameter5
OR
e.datetime = :parameter6
OR
e.datetime = :parameter7
OR
e.datetime = :parameter8
OR
e.datetime = :parameter9
OR
e.datetime = :parameter10
DQL;
$this->parsedQueryWithInferredParameterType = $entityManager->createQuery($dql);
$this->parsedQueryWithDeclaredParameterType = $entityManager->createQuery($dql);
foreach (range(1, 10) as $index) {
$this->parsedQueryWithInferredParameterType->setParameter('parameter' . $index, new DateTime());
$this->parsedQueryWithDeclaredParameterType->setParameter('parameter' . $index, new DateTime(), DateTimeType::DATETIME);
}
// Force parsing upfront - we don't benchmark that bit in this scenario
$this->parsedQueryWithInferredParameterType->getSQL();
$this->parsedQueryWithDeclaredParameterType->getSQL();
}
public function benchExecuteParsedQueryWithInferredParameterType() : void
{
$this->parsedQueryWithInferredParameterType->execute();
}
public function benchExecuteParsedQueryWithDeclaredParameterType() : void
{
$this->parsedQueryWithDeclaredParameterType->execute();
}
}