Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45a7cd8f5: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519d44ffb3845Run #519d45a7cd8f5DiffDiff%
Number of Function Calls14 14 0 0.0%
Incl. Wall Time (microsec)2,492 2,329 -163 -6.5%
Incl. Wall Time (microsec) per call 178 166 -12 -6.5%
Excl. Wall Time (microsec)95 90 -5 -5.3%
Incl. CPU (microsecs)2,514 2,355 -159 -6.3%
Incl. CPU (microsecs) per call 180 168 -11 -6.3%
Excl. CPU (microsec)107 105 -2 -1.9%
Incl. MemUse (bytes)155,276 155,276 0 0.0%
Incl. MemUse (bytes) per call 11,091 11,091 0 0.0%
Excl. MemUse (bytes)2,116 2,116 0 0.0%
Incl. PeakMemUse (bytes)96,308 96,308 0 0.0%
Incl. PeakMemUse (bytes) per call 6,879 6,879 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% -163 -7.0% -159 -34.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -3.1% -2 -1.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Database\Connection::update0 N/A% -109 -66.9% -109 -68.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -54 -33.1% -50 -31.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::merge0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -159 -97.5% -158 -99.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 1 0.6% 1 0.6% 0 N/A% 0 N/A%