Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec489b18752: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51ec485525502Run #51ec489b18752DiffDiff%
Number of Function Calls27 27 0 0.0%
Incl. Wall Time (microsec)931 900 -31 -3.3%
Incl. Wall Time (microsec) per call 34 33 -1 -3.3%
Excl. Wall Time (microsec)96 96 0 0.0%
Incl. CPU (microsecs)957 934 -23 -2.4%
Incl. CPU (microsecs) per call 35 35 -1 -2.4%
Excl. CPU (microsec)93 102 9 9.7%
Incl. MemUse (bytes)302,760 302,760 0 0.0%
Incl. MemUse (bytes) per call 11,213 11,213 0 0.0%
Excl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. PeakMemUse (bytes)242,328 242,328 0 0.0%
Incl. PeakMemUse (bytes) per call 8,975 8,975 0 0.0%
Excl. PeakMemUse (bytes)3,560 3,560 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::getDriverClass [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::getDriverClass0 N/A% -31 -3.0% -23 -5.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% 9 39.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::merge0 N/A% -35 -112.9% -38 -165.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::delete0 N/A% 20 64.5% 22 95.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::insert0 N/A% -10 -32.3% -10 -43.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -4 -12.9% 5 21.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% -2 -6.5% -2 -8.7% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -31 -100.0% -29 -126.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -3 -13.0% 0 N/A% 0 N/A%