Diff Report
Run #519c0a965645d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519c0a965645dRun #519c0a514701fDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)1,669 1,653 -16 -1.0%
Incl. Wall Time (microsec) per call 238 236 -2 -1.0%
Excl. Wall Time (microsec)44 46 2 4.5%
Incl. CPU (microsecs)1,678 1,665 -13 -0.8%
Incl. CPU (microsecs) per call 240 238 -2 -0.8%
Excl. CPU (microsec)48 53 5 10.4%
Incl. MemUse (bytes)97,388 97,388 0 0.0%
Incl. MemUse (bytes) per call 13,913 13,913 0 0.0%
Excl. MemUse (bytes)988 988 0 0.0%
Incl. PeakMemUse (bytes)96,432 96,432 0 0.0%
Incl. PeakMemUse (bytes) per call 13,776 13,776 0 0.0%
Excl. PeakMemUse (bytes)740 740 0 0.0%

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::getDriverClass0 N/A% -16 -1.1% -13 -1.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 12.5% 5 38.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::select0 N/A% -16 -100.0% -13 -100.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -18 -112.5% -18 -138.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%