Diff Report
Run #5578e32524136: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5578e29590a73: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #5578e32524136Run #5578e29590a73DiffDiff%
Number of Function Calls12 7 -5 -41.7%
Incl. Wall Time (microsec)814 312 -502 -61.7%
Incl. Wall Time (microsec) per call 68 45 -23 -34.3%
Excl. Wall Time (microsec)42 15 -27 -64.3%
Incl. MemUse (bytes)263,560 121,376 -142,184 -53.9%
Incl. MemUse (bytes) per call 21,963 17,339 -4,624 -21.1%
Excl. MemUse (bytes)4,984 1,632 -3,352 -67.3%
Incl. PeakMemUse (bytes)180,800 122,120 -58,680 -32.5%
Incl. PeakMemUse (bytes) per call 15,067 17,446 2,379 15.8%
Excl. PeakMemUse (bytes)2,736 1,552 -1,184 -43.3%

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% -502 -3.8% -142,184 -24.7% -58,680 -11.6%
Exclusive Metrics Diff for Current Function-27 -5.4% -3,352 -2.4% -1,184 -2.0%
Parent functions
Drupal\Core\Database\Connection::update-1 -20.0% -206 -41.0% -41,744 -29.4% -31,040 -52.9%
Drupal\Core\Database\Connection::merge-1 -20.0% -118 -23.5% -41,928 -29.5% -25,504 -43.5%
Drupal\Core\Database\Connection::delete-1 -20.0% -100 -19.9% -29,432 -20.7% -2,136 -3.6%
Drupal\Core\Database\Connection::insert-1 -20.0% -76 -15.1% -29,080 -20.5% 0 0.0%
Drupal\Core\Database\Connection::select-1 -20.0% -2 -0.4% 0 0.0% 0 0.0%
Child functions
class_exists-4 -50.0% -475 -94.6% -138,640 -97.5% -57,496 -98.0%
Drupal\Core\Database\Driver\mysql\Connection::driver-4 -50.0% 0 0.0% -192 -0.1% 0 0.0%