Diff Report
Run #531ee657ba49e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ee5f3237b0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #531ee657ba49eRun #531ee5f3237b0DiffDiff%
Number of Function Calls31 31 0 0.0%
Incl. Wall Time (microsec)1,950 1,990 40 2.1%
Incl. Wall Time (microsec) per call 63 64 1 2.1%
Excl. Wall Time (microsec)58 61 3 5.2%
Incl. CPU (microsecs)1,982 2,027 45 2.3%
Incl. CPU (microsecs) per call 64 65 1 2.3%
Excl. CPU (microsec)87 95 8 9.2%
Incl. MemUse (bytes)411,216 411,128 -88 -0.0%
Incl. MemUse (bytes) per call 13,265 13,262 -3 -0.0%
Excl. MemUse (bytes)2,816 2,824 8 0.3%
Incl. PeakMemUse (bytes)401,992 401,888 -104 -0.0%
Incl. PeakMemUse (bytes) per call 12,967 12,964 -3 -0.0%
Excl. PeakMemUse (bytes)1,920 1,800 -120 -6.2%

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% 40 1.6% 45 1.5% -88 -0.1% -104 -0.1%
Exclusive Metrics Diff for Current Function3 7.5% 8 17.8% 8 9.1% -120 -115.4%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% 44 110.0% 50 111.1% 8 9.1% 152 146.2%
system_requirements0 N/A% -4 -10.0% -5 -11.1% -96 -109.1% -256 -246.2%
Child functions
class_exists0 N/A% 37 92.5% 37 82.2% -96 -109.1% 16 15.4%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%