Diff Report
Run #519aa45581fb3: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519aa37b5bebd: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519aa45581fb3Run #519aa37b5bebdDiffDiff%
Number of Function Calls18 13 -5 -27.8%
Incl. Wall Time (microsec)6,941 4,401 -2,540 -36.6%
Incl. Wall Time (microsec) per call 386 339 -47 -12.2%
Excl. Wall Time (microsec)125 70 -55 -44.0%
Incl. CPU (microsecs)6,972 4,415 -2,557 -36.7%
Incl. CPU (microsecs) per call 387 340 -48 -12.3%
Excl. CPU (microsec)148 78 -70 -47.3%
Incl. MemUse (bytes)622,360 404,728 -217,632 -35.0%
Incl. MemUse (bytes) per call 34,576 31,133 -3,443 -10.0%
Excl. MemUse (bytes)3,656 1,752 -1,904 -52.1%
Incl. PeakMemUse (bytes)570,264 397,528 -172,736 -30.3%
Incl. PeakMemUse (bytes) per call 31,681 30,579 -1,102 -3.5%
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% -2,540 -33.7% -2,557 -47.9% -217,632 -74.3% -172,736 -64.3%
Exclusive Metrics Diff for Current Function-55 -2.2% -70 -2.7% -1,904 -0.9% -80 -0.0%
Parent functions
Drupal\Core\Database\Connection::insert-3 -60.0% -1,335 -52.6% -1,344 -52.6% -110,160 -50.6% -112,240 -65.0%
Drupal\Core\Database\Connection::merge-1 -20.0% -1,162 -45.7% -1,164 -45.5% -107,480 -49.4% -60,656 -35.1%
Drupal\Core\Database\Connection::select-1 -20.0% -43 -1.7% -49 -1.9% 8 0.0% 160 0.1%
Child functions
class_exists-2 -50.0% -2,481 -97.7% -2,481 -97.0% -215,568 -99.1% -172,656 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver-2 -50.0% -4 -0.2% -6 -0.2% -160 -0.1% 0 0.0%