Diff Report
Run #51ec6582d0962: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #51ec6582d0962Run #51ec623000e0cDiffDiff%
Number of Function Calls300 300 0 0.0%
Incl. Wall Time (microsec)80,544 77,442 -3,102 -3.9%
Incl. Wall Time (microsec) per call 268 258 -10 -3.9%
Excl. Wall Time (microsec)4,463 4,394 -69 -1.5%
Incl. CPU (microsecs)43,368 41,406 -1,962 -4.5%
Incl. CPU (microsecs) per call 145 138 -7 -4.5%
Excl. CPU (microsec)3,726 3,616 -110 -3.0%
Incl. MemUse (bytes)1,663,104 1,663,104 0 0.0%
Incl. MemUse (bytes) per call 5,544 5,544 0 0.0%
Excl. MemUse (bytes)-246,728 -246,728 0 0.0%
Incl. PeakMemUse (bytes)748,224 748,224 0 0.0%
Incl. PeakMemUse (bytes) per call 2,494 2,494 0 0.0%
Excl. PeakMemUse (bytes)50,168 50,168 0 0.0%

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% -3,102 -120.9% -1,962 -163.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-69 -2.2% -110 -5.6% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% -3,104 -100.1% -1,382 -70.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -379 -12.2% -614 -31.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% 232 7.5% 52 2.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 232 7.5% 120 6.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Delete::execute0 N/A% -114 -3.7% -9 -0.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 39 1.3% -3 -0.2% 0 N/A% 0 N/A%
db_query0 N/A% 20 0.6% -68 -3.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::execute0 N/A% -16 -0.5% -12 -0.6% 0 N/A% 0 N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByPath0 N/A% -7 -0.2% -40 -2.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -6 -0.2% -14 -0.7% 0 N/A% 0 N/A%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 1 0.0% 8 0.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% -1 -0.0% -1 -0.1% 0 N/A% 0 N/A%
Drupal\Core\Routing\RouteProvider::getRoutesByNames0 N/A% 1 0.0% 1 0.1% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% -2,990 -96.4% -1,770 -90.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prepareQuery0 N/A% -37 -1.2% -65 -3.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::expandArguments0 N/A% -21 -0.7% -24 -1.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::defaultOptions0 N/A% 8 0.3% -2 -0.1% 0 N/A% 0 N/A%
PDO::lastInsertId0 N/A% 7 0.2% 8 0.4% 0 N/A% 0 N/A%
PDOStatement::rowCount0 N/A% 0 0.0% 1 0.1% 0 N/A% 0 N/A%