Diff Report
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls182 182 0 0.0%
Incl. Wall Time (microsec)41,359 41,945 586 1.4%
Incl. Wall Time (microsec) per call 227 230 3 1.4%
Excl. Wall Time (microsec)2,602 2,614 12 0.5%
Incl. CPU (microsecs)23,108 23,455 347 1.5%
Incl. CPU (microsecs) per call 127 129 2 1.5%
Excl. CPU (microsec)2,160 2,156 -4 -0.2%
Incl. MemUse (bytes)1,192,816 1,192,768 -48 -0.0%
Incl. MemUse (bytes) per call 6,554 6,554 -0 -0.0%
Excl. MemUse (bytes)-150,688 -150,576 112 0.1%
Incl. PeakMemUse (bytes)754,640 743,040 -11,600 -1.5%
Incl. PeakMemUse (bytes) per call 4,146 4,083 -64 -1.5%
Excl. PeakMemUse (bytes)47,088 46,944 -144 -0.3%

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% 586 37.8% 347 19.8% -48 -0.0% -11,600 -8.7%
Exclusive Metrics Diff for Current Function12 2.0% -4 -1.2% 112 233.3% -144 -1.2%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 529 90.3% 203 58.5% 48 100.0% -3,344 -28.8%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -325 -55.5% -134 -38.6% 0 0.0% -128 -1.1%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% 242 41.3% 88 25.4% 16 33.3% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% 117 20.0% 165 47.6% -160 -333.3% -7,296 -62.9%
Drupal\Core\Routing\RouteProvider::getRoutesByPath0 N/A% -100 -17.1% -16 -4.6% 0 0.0% -144 -1.2%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -90 -15.4% -32 -9.2% 0 0.0% -152 -1.3%
Drupal\Core\Database\Query\Update::execute0 N/A% 89 15.2% -2 -0.6% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 56 9.6% 2 0.6% 0 0.0% 0 0.0%
db_query0 N/A% 55 9.4% 37 10.7% 48 100.0% -536 -4.6%
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -36 -6.1% -3 -0.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% 28 4.8% 29 8.4% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames0 N/A% 11 1.9% 10 2.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Delete::execute0 N/A% 10 1.7% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% 642 109.6% 421 121.3% -48 -100.0% -7,592 -65.4%
Drupal\Core\Database\Connection::expandArguments0 N/A% -69 -11.8% -64 -18.4% 0 0.0% -1,576 -13.6%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 13 2.2% -5 -1.4% 0 0.0% -2,296 -19.8%
Drupal\Core\Database\Connection::defaultOptions0 N/A% -11 -1.9% 0 0.0% -112 -233.3% 8 0.1%
PDO::lastInsertId0 N/A% -1 -0.2% 1 0.3% 0 0.0% 0 0.0%
PDOStatement::rowCount0 N/A% 0 0.0% -2 -0.6% 0 0.0% 0 0.0%