Diff Report
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccbd4518b6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #531ccb2cb8e3dRun #531ccbd4518b6DiffDiff%
Number of Function Calls31 31 0 0.0%
Incl. Wall Time (microsec)1,988 2,008 20 1.0%
Incl. Wall Time (microsec) per call 64 65 1 1.0%
Excl. Wall Time (microsec)56 50 -6 -10.7%
Incl. CPU (microsecs)2,029 2,035 6 0.3%
Incl. CPU (microsecs) per call 65 66 0 0.3%
Excl. CPU (microsec)92 75 -17 -18.5%
Incl. MemUse (bytes)411,152 411,096 -56 -0.0%
Incl. MemUse (bytes) per call 13,263 13,261 -2 -0.0%
Excl. MemUse (bytes)2,832 2,816 -16 -0.6%
Incl. PeakMemUse (bytes)401,816 401,888 72 0.0%
Incl. PeakMemUse (bytes) per call 12,962 12,964 2 0.0%
Excl. PeakMemUse (bytes)1,816 1,920 104 5.7%

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::getDriverClass0 N/A% 20 20.4% 6 2.3% -56 -0.1% 72 0.2%
Exclusive Metrics Diff for Current Function-6 -30.0% -17 -283.3% -16 -28.6% 104 144.4%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% 12 60.0% -2 -33.3% -48 -85.7% -32 -44.4%
system_requirements0 N/A% 8 40.0% 8 133.3% -8 -14.3% 104 144.4%
Child functions
class_exists0 N/A% 26 130.0% 27 450.0% -40 -71.4% -32 -44.4%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -4 -66.7% 0 0.0% 0 0.0%