Diff Report
Run #519b130ea93e9: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b0e62696b0: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519b130ea93e9Run #519b0e62696b0DiffDiff%
Number of Function Calls19 14 -5 -26.3%
Incl. Wall Time (microsec)7,143 4,632 -2,511 -35.2%
Incl. Wall Time (microsec) per call 376 331 -45 -12.0%
Excl. Wall Time (microsec)132 74 -58 -43.9%
Incl. CPU (microsecs)7,169 4,652 -2,517 -35.1%
Incl. CPU (microsecs) per call 377 332 -45 -11.9%
Excl. CPU (microsec)146 89 -57 -39.0%
Incl. MemUse (bytes)622,336 404,728 -217,608 -35.0%
Incl. MemUse (bytes) per call 32,755 28,909 -3,845 -11.7%
Excl. MemUse (bytes)3,656 1,760 -1,896 -51.9%
Incl. PeakMemUse (bytes)555,280 397,360 -157,920 -28.4%
Incl. PeakMemUse (bytes) per call 29,225 28,383 -842 -2.9%
Excl. PeakMemUse (bytes)1,336 1,256 -80 -6.0%

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::getDriverClass-5 -55.6% -2,511 -44.6% -2,517 -108.9% -217,608 -107.9% -157,920 -89.9%
Exclusive Metrics Diff for Current Function-58 -2.3% -57 -2.3% -1,896 -0.9% -80 -0.1%
Parent functions
Drupal\Core\Database\Connection::insert-3 -60.0% -1,388 -55.3% -1,396 -55.5% -110,088 -50.6% -112,368 -71.2%
Drupal\Core\Database\Connection::merge-1 -20.0% -1,223 -48.7% -1,224 -48.6% -107,528 -49.4% -45,496 -28.8%
Drupal\Core\Database\Connection::select-1 -20.0% 100 4.0% 103 4.1% 8 0.0% -56 -0.0%
Child functions
class_exists-2 -50.0% -2,449 -97.5% -2,453 -97.5% -215,552 -99.1% -157,840 -99.9%
Drupal\Core\Database\Driver\mysql\Connection::driver-2 -50.0% -4 -0.2% -7 -0.3% -160 -0.1% 0 0.0%