Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4d6ecb28c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519d4cd4e396dRun #519d4d6ecb28cDiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)2,333 2,315 -18 -0.8%
Incl. Wall Time (microsec) per call 167 165 -1 -0.8%
Excl. Wall Time (microsec)93 88 -5 -5.4%
Incl. CPU (microsecs)2,348 2,339 -9 -0.4%
Incl. CPU (microsecs) per call 168 167 -1 -0.4%
Excl. CPU (microsec)100 102 2 2.0%
Incl. MemUse (bytes)155,180 155,180 0 0.0%
Incl. MemUse (bytes) per call 11,084 11,084 0 0.0%
Excl. MemUse (bytes)2,116 2,116 0 0.0%
Incl. PeakMemUse (bytes)96,432 96,432 0 0.0%
Incl. PeakMemUse (bytes) per call 6,888 6,888 0 0.0%
Excl. PeakMemUse (bytes)740 740 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% -18 -2.4% -9 -2.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -27.8% 2 22.2% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% -7 -38.9% 1 11.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% -7 -38.9% -7 -77.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% -4 -22.2% -3 -33.3% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -12 -66.7% -10 -111.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% -1 -5.6% -1 -11.1% 0 N/A% 0 N/A%