Diff Report
Run #54e0a7d2151b1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #54e0a7d2151b1Run #54e0a6d45fe2aDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)1,780 1,793 13 0.7%
Incl. Wall Time (microsec) per call 254 256 2 0.7%
Excl. Wall Time (microsec)21 21 0 0.0%
Incl. CPU (microsecs)1,788 1,797 9 0.5%
Incl. CPU (microsecs) per call 255 257 1 0.5%
Excl. CPU (microsec)24 25 1 4.2%
Incl. MemUse (bytes)322,184 322,240 56 0.0%
Incl. MemUse (bytes) per call 46,026 46,034 8 0.0%
Excl. MemUse (bytes)1,896 1,896 0 0.0%
Incl. PeakMemUse (bytes)323,248 323,168 -80 -0.0%
Incl. PeakMemUse (bytes) per call 46,178 46,167 -11 -0.0%
Excl. PeakMemUse (bytes)1,744 1,776 32 1.8%

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% 13 1.8% 9 2.5% 56 0.6% -80 -0.8%
Exclusive Metrics Diff for Current Function0 0.0% 1 11.1% 0 0.0% 32 40.0%
Parent function
Drupal\Core\Database\Connection::select0 N/A% 13 100.0% 9 100.0% 56 100.0% -80 -100.0%
Child functions
class_exists0 N/A% 13 100.0% 11 122.2% 56 100.0% -112 -140.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -3 -33.3% 0 0.0% 0 0.0%