Diff Report
Run #557c27da9db93: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #557c2635273b3: XHProf Run (Namespace=drupal-perf-lauriii)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #557c27da9db93Run #557c2635273b3DiffDiff%
Number of Function Calls13 8 -5 -38.5%
Incl. Wall Time (microsec)599 280 -319 -53.3%
Incl. Wall Time (microsec) per call 46 35 -11 -24.0%
Excl. Wall Time (microsec)45 18 -27 -60.0%
Incl. MemUse (bytes)241,032 118,416 -122,616 -50.9%
Incl. MemUse (bytes) per call 18,541 14,802 -3,739 -20.2%
Excl. MemUse (bytes)4,984 1,632 -3,352 -67.3%
Incl. PeakMemUse (bytes)83,288 83,184 -104 -0.1%
Incl. PeakMemUse (bytes) per call 6,407 10,398 3,991 62.3%
Excl. PeakMemUse (bytes)760 760 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Connection::getDriverClass-5 -38.5% -319 -1.3% -122,616 -16.2% -104 -0.0%
Exclusive Metrics Diff for Current Function-27 -8.5% -3,352 -2.7% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::merge-1 -20.0% -99 -31.0% -39,096 -31.9% 0 0.0%
Drupal\Core\Database\Connection::update-1 -20.0% -94 -29.5% -30,664 -25.0% 0 0.0%
Drupal\Core\Database\Connection::delete-1 -20.0% -90 -28.2% -26,624 -21.7% 0 0.0%
Drupal\Core\Database\Connection::insert-1 -20.0% -88 -27.6% -26,232 -21.4% 0 0.0%
Drupal\Core\Database\Connection::select-1 -20.0% 52 16.3% 0 0.0% -104 -100.0%
Child functions
class_exists-4 -50.0% -292 -91.5% -119,072 -97.1% -104 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver-4 -50.0% 0 0.0% -192 -0.2% 0 0.0%