Diff Report
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #52e4374042aceRun #52e436ce9c71dDiffDiff%
Number of Function Calls122 121 -1 -0.8%
Incl. Wall Time (microsec)27,314 27,095 -219 -0.8%
Incl. Wall Time (microsec) per call 224 224 0 0.0%
Excl. Wall Time (microsec)1,482 1,470 -12 -0.8%
Incl. CPU (microsecs)13,171 13,107 -64 -0.5%
Incl. CPU (microsecs) per call 108 108 0 0.3%
Excl. CPU (microsec)1,158 1,198 40 3.5%
Incl. MemUse (bytes)759,824 753,928 -5,896 -0.8%
Incl. MemUse (bytes) per call 6,228 6,231 3 0.0%
Excl. MemUse (bytes)-89,872 -89,136 736 0.8%
Incl. PeakMemUse (bytes)598,224 594,880 -3,344 -0.6%
Incl. PeakMemUse (bytes) per call 4,903 4,916 13 0.3%
Excl. PeakMemUse (bytes)39,816 39,184 -632 -1.6%

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::query-1 -20.0% -219 -18.8% -64 -6.3% -5,896 -7.3% -3,344 -4.2%
Exclusive Metrics Diff for Current Function-12 -5.5% 40 62.5% 736 12.5% -632 -18.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple-1 -100.0% -225 -102.7% -109 -170.3% -5,872 -99.6% -3,272 -97.8%
db_query1 100.0% 214 97.7% 102 159.4% 4,272 72.5% 2,688 80.4%
Drupal\user\UserStorageController::addRoles-1 -100.0% -200 -91.3% -98 -153.1% -4,304 -73.0% -2,512 -75.1%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 0.0% 37 16.9% 47 73.4% -8 -0.1% -208 -6.2%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 0.0% -24 -11.0% -9 -14.1% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByPath0 0.0% -22 -10.0% -12 -18.8% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames0 0.0% 14 6.4% 15 23.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 0.0% -8 -3.7% -3 -4.7% -16 -0.3% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 0.0% -4 -1.8% 1 1.6% 0 0.0% -40 -1.2%
Drupal\Core\Path\AliasManager::lookupPathSource0 0.0% -1 -0.5% 2 3.1% 32 0.5% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute-1 -25.0% -173 -79.0% -53 -82.8% -4,912 -83.3% -2,952 -88.3%
Drupal\Core\Database\Connection::prepareQuery-1 -25.0% -35 -16.0% -37 -57.8% -952 -16.1% -648 -19.4%
Drupal\Core\Database\Connection::expandArguments-1 -25.0% 5 2.3% -6 -9.4% -8 -0.1% 1,560 46.7%
Drupal\Core\Database\Connection::defaultOptions-1 -25.0% -4 -1.8% -8 -12.5% -760 -12.9% -672 -20.1%