Diff Report
Run #52d4b590e6e18: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b60c154f6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #52d4b590e6e18Run #52d4b60c154f6DiffDiff%
Number of Function Calls108 106 -2 -1.9%
Incl. Wall Time (microsec)21,452 20,767 -685 -3.2%
Incl. Wall Time (microsec) per call 199 196 -3 -1.4%
Excl. Wall Time (microsec)1,204 1,144 -60 -5.0%
Incl. CPU (microsecs)10,190 9,852 -338 -3.3%
Incl. CPU (microsecs) per call 94 93 -1 -1.5%
Excl. CPU (microsec)983 908 -75 -7.6%
Incl. MemUse (bytes)696,800 684,456 -12,344 -1.8%
Incl. MemUse (bytes) per call 6,452 6,457 5 0.1%
Excl. MemUse (bytes)-79,136 -77,584 1,552 2.0%
Incl. PeakMemUse (bytes)494,552 490,152 -4,400 -0.9%
Incl. PeakMemUse (bytes) per call 4,579 4,624 45 1.0%
Excl. PeakMemUse (bytes)36,224 36,184 -40 -0.1%

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-2 -20.0% -685 -25.5% -338 -14.6% -12,344 -10.5% -4,400 -3.7%
Exclusive Metrics Diff for Current Function-60 -8.8% -75 -22.2% 1,552 12.6% -40 -0.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple-2 -100.0% -530 -77.4% -289 -85.5% -12,344 -100.0% -6,408 -145.6%
Drupal\Core\Routing\RouteProvider::getRoutesByPath0 0.0% -93 -13.6% -32 -9.5% 0 0.0% 2,368 53.8%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 0.0% -25 -3.6% -16 -4.7% -24 -0.2% -160 -3.6%
Drupal\Core\Database\Query\Select::execute0 0.0% -24 -3.5% 0 0.0% 24 0.2% 24 0.5%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 0.0% -7 -1.0% 1 0.3% 0 0.0% -192 -4.4%
db_query0 0.0% -4 -0.6% -1 -0.3% 0 0.0% -32 -0.7%
Drupal\Core\Routing\RouteProvider::getRoutesByNames0 0.0% -2 -0.3% -1 -0.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 0.0% -2 -0.3% -1 -0.3% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 0.0% 2 0.3% 1 0.3% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute-2 -25.0% -475 -69.3% -131 -38.8% -10,440 -84.6% -3,720 -84.5%
Drupal\Core\Database\Connection::expandArguments-2 -25.0% -63 -9.2% -57 -16.9% -16 -0.1% 280 6.4%
Drupal\Core\Database\Connection::prepareQuery-2 -25.0% -55 -8.0% -59 -17.5% -1,904 -15.4% -408 -9.3%
Drupal\Core\Database\Connection::defaultOptions-2 -25.0% -32 -4.7% -16 -4.7% -1,536 -12.4% -512 -11.6%