Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #51ec623000e0cRun #51ec66a5a877dDiffDiff%
Number of Function Calls300 300 0 0.0%
Incl. Wall Time (microsec)77,442 77,067 -375 -0.5%
Incl. Wall Time (microsec) per call 258 257 -1 -0.5%
Excl. Wall Time (microsec)4,394 4,372 -22 -0.5%
Incl. CPU (microsecs)41,406 41,985 579 1.4%
Incl. CPU (microsecs) per call 138 140 2 1.4%
Excl. CPU (microsec)3,616 3,695 79 2.2%
Incl. MemUse (bytes)1,663,104 1,663,232 128 0.0%
Incl. MemUse (bytes) per call 5,544 5,544 0 0.0%
Excl. MemUse (bytes)-246,728 -246,688 40 0.0%
Incl. PeakMemUse (bytes)748,224 750,920 2,696 0.4%
Incl. PeakMemUse (bytes) per call 2,494 2,503 9 0.4%
Excl. PeakMemUse (bytes)50,168 50,656 488 1.0%

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% -375 -16.0% 579 16.8% 128 0.2% 2,696 3.7%
Exclusive Metrics Diff for Current Function-22 -5.9% 79 13.6% 40 31.2% 488 18.1%
Parent functions
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% 2,917 777.9% 987 170.5% -544 -425.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -2,645 -705.3% -337 -58.2% -72 -56.2% 1,016 37.7%
db_query0 N/A% -208 -55.5% -88 -15.2% -8 -6.2% -64 -2.4%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -212 -56.5% -79 -13.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -54 -14.4% 42 7.3% 704 550.0% 256 9.5%
Drupal\Core\Routing\RouteProvider::getRoutesByPath0 N/A% -95 -25.3% 42 7.3% 0 0.0% -72 -2.7%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -100 -26.7% 20 3.5% 48 37.5% 920 34.1%
Drupal\Core\Database\Query\Delete::execute0 N/A% 15 4.0% -7 -1.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Update::execute0 N/A% -3 -0.8% 2 0.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% 13 3.5% -2 -0.3% 0 0.0% 640 23.7%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% -2 -0.5% -2 -0.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% 0 0.0% 1 0.2% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames0 N/A% -1 -0.3% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% -426 -113.6% 464 80.1% 208 162.5% 1,784 66.2%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 69 18.4% 64 11.1% -80 -62.5% 160 5.9%
Drupal\Core\Database\Connection::defaultOptions0 N/A% -1 -0.3% -22 -3.8% -56 -43.8% 0 0.0%
PDO::lastInsertId0 N/A% -7 -1.9% -7 -1.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::expandArguments0 N/A% 12 3.2% 1 0.2% 16 12.5% 264 9.8%
PDOStatement::rowCount0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%