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

Drupal\Core\Database\Connection::getDriverClassRun #519b0e62696b0Run #519b130ea93e9DiffDiff%
Number of Function Calls14 19 5 35.7%
Incl. Wall Time (microsec)4,632 7,143 2,511 54.2%
Incl. Wall Time (microsec) per call 331 376 45 13.6%
Excl. Wall Time (microsec)74 132 58 78.4%
Incl. CPU (microsecs)4,652 7,169 2,517 54.1%
Incl. CPU (microsecs) per call 332 377 45 13.6%
Excl. CPU (microsec)89 146 57 64.0%
Incl. MemUse (bytes)404,728 622,336 217,608 53.8%
Incl. MemUse (bytes) per call 28,909 32,755 3,845 13.3%
Excl. MemUse (bytes)1,760 3,656 1,896 107.7%
Incl. PeakMemUse (bytes)397,360 555,280 157,920 39.7%
Incl. PeakMemUse (bytes) per call 28,383 29,225 842 3.0%
Excl. PeakMemUse (bytes)1,256 1,336 80 6.4%

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::getDriverClass5 55.6% 2,511 44.6% 2,517 108.9% 217,608 107.9% 157,920 89.9%
Exclusive Metrics Diff for Current Function58 2.3% 57 2.3% 1,896 0.9% 80 0.1%
Parent functions
Drupal\Core\Database\Connection::insert3 60.0% 1,388 55.3% 1,396 55.5% 110,088 50.6% 112,368 71.2%
Drupal\Core\Database\Connection::merge1 20.0% 1,223 48.7% 1,224 48.6% 107,528 49.4% 45,496 28.8%
Drupal\Core\Database\Connection::select1 20.0% -100 -4.0% -103 -4.1% -8 -0.0% 56 0.0%
Child functions
class_exists2 50.0% 2,449 97.5% 2,453 97.5% 215,552 99.1% 157,840 99.9%
Drupal\Core\Database\Driver\mysql\Connection::driver2 50.0% 4 0.2% 7 0.3% 160 0.1% 0 0.0%