Diff Report
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #51ec243650361Run #51ec227a9cea0DiffDiff%
Number of Function Calls231 231 0 0.0%
Incl. Wall Time (microsec)63,040 59,562 -3,478 -5.5%
Incl. Wall Time (microsec) per call 273 258 -15 -5.5%
Excl. Wall Time (microsec)3,497 3,406 -91 -2.6%
Incl. CPU (microsecs)34,097 32,688 -1,409 -4.1%
Incl. CPU (microsecs) per call 148 142 -6 -4.1%
Excl. CPU (microsec)2,912 2,852 -60 -2.1%
Incl. MemUse (bytes)1,442,968 1,377,080 -65,888 -4.6%
Incl. MemUse (bytes) per call 6,247 5,961 -285 -4.6%
Excl. MemUse (bytes)-192,128 -192,080 48 0.0%
Incl. PeakMemUse (bytes)756,512 755,256 -1,256 -0.2%
Incl. PeakMemUse (bytes) per call 3,275 3,270 -5 -0.2%
Excl. PeakMemUse (bytes)52,512 52,352 -160 -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% -3,478 -40.4% -1,409 -21.4% -65,888 -219.7% -1,256 -3.9%
Exclusive Metrics Diff for Current Function-91 -2.6% -60 -4.3% 48 0.1% -160 -12.7%
Parent functions
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% -1,985 -57.1% -428 -30.4% -65,824 -99.9% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -1,219 -35.0% -827 -58.7% -16 -0.0% -488 -38.9%
Drupal\Core\Routing\RouteProvider::getRoutesByPath0 N/A% -265 -7.6% -82 -5.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% 209 6.0% -6 -0.4% -48 -0.1% -192 -15.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -141 -4.1% 19 1.3% 0 0.0% -216 -17.2%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -128 -3.7% -41 -2.9% 0 0.0% -8 -0.6%
Drupal\Core\Database\Query\Delete::execute0 N/A% 65 1.9% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames0 N/A% -56 -1.6% -50 -3.5% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 55 1.6% 2 0.1% 0 0.0% 0 0.0%
db_query0 N/A% -19 -0.5% 1 0.1% 0 0.0% -352 -28.0%
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% 7 0.2% 4 0.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Update::execute0 N/A% -1 -0.0% -1 -0.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% -3,147 -90.5% -1,111 -78.9% -352 -0.5% -728 -58.0%
Drupal\Core\Database\Connection::prepareQuery0 N/A% -151 -4.3% -127 -9.0% -65,536 -99.5% -824 -65.6%
Drupal\Core\Database\Connection::expandArguments0 N/A% -78 -2.2% -83 -5.9% -48 -0.1% 280 22.3%
Drupal\Core\Database\Connection::defaultOptions0 N/A% -11 -0.3% -27 -1.9% 0 0.0% 176 14.0%
PDOStatement::rowCount0 N/A% 0 0.0% -2 -0.1% 0 0.0% 0 0.0%
PDO::lastInsertId0 N/A% 0 0.0% 1 0.1% 0 0.0% 0 0.0%