Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls222 222 0 0.0%
Incl. Wall Time (microsec)90,566 89,810 -756 -0.8%
Incl. Wall Time (microsec) per call 408 405 -3 -0.8%
Excl. Wall Time (microsec)4,494 4,548 54 1.2%
Incl. CPU (microsecs)35,064 35,214 150 0.4%
Incl. CPU (microsecs) per call 158 159 1 0.4%
Excl. CPU (microsec)3,836 3,872 36 0.9%
Incl. MemUse (bytes)346,784 346,784 0 0.0%
Incl. MemUse (bytes) per call 1,562 1,562 0 0.0%
Excl. MemUse (bytes)-126,900 -126,900 0 0.0%
Incl. PeakMemUse (bytes)404,572 404,572 0 0.0%
Incl. PeakMemUse (bytes) per call 1,822 1,822 0 0.0%
Excl. PeakMemUse (bytes)36,060 36,060 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::query [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Connection::query0 N/A% -756 -52.0% 150 25.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function54 7.1% 36 24.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -319 -42.2% 108 72.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -207 -27.4% -13 -8.7% 0 N/A% 0 N/A%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% -177 -23.4% -41 -27.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::execute0 N/A% -162 -21.4% 19 12.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 134 17.7% 124 82.7% 0 N/A% 0 N/A%
Drupal\user\UserStorage::addRoles0 N/A% 109 14.4% 15 10.0% 0 N/A% 0 N/A%
Drupal\Core\Path\AliasStorage::lookupPathSource0 N/A% -107 -14.2% -79 -52.7% 0 N/A% 0 N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByPath0 N/A% -46 -6.1% -8 -5.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 19 2.5% -12 -8.0% 0 N/A% 0 N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByNames0 N/A% 0 0.0% 37 24.7% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% -869 -114.9% 50 33.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 58 7.7% 64 42.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::defaultOptions0 N/A% 5 0.7% 25 16.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::expandArguments0 N/A% -4 -0.5% -28 -18.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::rowCount0 N/A% 0 0.0% 3 2.0% 0 N/A% 0 N/A%