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

Drupal\Core\Database\Connection::getDriverClassRun #519aa37b5bebdRun #519aa45581fb3DiffDiff%
Number of Function Calls13 18 5 38.5%
Incl. Wall Time (microsec)4,401 6,941 2,540 57.7%
Incl. Wall Time (microsec) per call 339 386 47 13.9%
Excl. Wall Time (microsec)70 125 55 78.6%
Incl. CPU (microsecs)4,415 6,972 2,557 57.9%
Incl. CPU (microsecs) per call 340 387 48 14.1%
Excl. CPU (microsec)78 148 70 89.7%
Incl. MemUse (bytes)404,728 622,360 217,632 53.8%
Incl. MemUse (bytes) per call 31,133 34,576 3,443 11.1%
Excl. MemUse (bytes)1,752 3,656 1,904 108.7%
Incl. PeakMemUse (bytes)397,528 570,264 172,736 43.5%
Incl. PeakMemUse (bytes) per call 30,579 31,681 1,102 3.6%
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% 2,540 33.7% 2,557 47.9% 217,632 74.3% 172,736 64.3%
Exclusive Metrics Diff for Current Function55 2.2% 70 2.7% 1,904 0.9% 80 0.0%
Parent functions
Drupal\Core\Database\Connection::insert3 60.0% 1,335 52.6% 1,344 52.6% 110,160 50.6% 112,240 65.0%
Drupal\Core\Database\Connection::merge1 20.0% 1,162 45.7% 1,164 45.5% 107,480 49.4% 60,656 35.1%
Drupal\Core\Database\Connection::select1 20.0% 43 1.7% 49 1.9% -8 -0.0% -160 -0.1%
Child functions
class_exists2 50.0% 2,481 97.7% 2,481 97.0% 215,568 99.1% 172,656 100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver2 50.0% 4 0.2% 6 0.2% 160 0.1% 0 0.0%