Diff Report
Run #52c1d5ca86be3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52c1d65bccb31: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #52c1d5ca86be3Run #52c1d65bccb31DiffDiff%
Number of Function Calls15 15 0 0.0%
Incl. Wall Time (microsec)4,194 4,077 -117 -2.8%
Incl. Wall Time (microsec) per call 280 272 -8 -2.8%
Excl. Wall Time (microsec)77 72 -5 -6.5%
Incl. CPU (microsecs)4,211 4,094 -117 -2.8%
Incl. CPU (microsecs) per call 281 273 -8 -2.8%
Excl. CPU (microsec)81 80 -1 -1.2%
Incl. MemUse (bytes)511,632 511,536 -96 -0.0%
Incl. MemUse (bytes) per call 34,109 34,102 -6 -0.0%
Excl. MemUse (bytes)4,720 4,720 0 0.0%
Incl. PeakMemUse (bytes)409,672 411,376 1,704 0.4%
Incl. PeakMemUse (bytes) per call 27,311 27,425 114 0.4%
Excl. PeakMemUse (bytes)2,320 2,344 24 1.0%

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% -117 -0.8% -117 -3.8% -96 -0.1% 1,704 2.4%
Exclusive Metrics Diff for Current Function-5 -4.3% -1 -0.9% 0 0.0% 24 1.4%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% -68 -58.1% -70 -59.8% -128 -133.3% 1,176 69.0%
Drupal\Core\Database\Connection::merge0 N/A% -28 -23.9% -25 -21.4% -40 -41.7% 472 27.7%
Drupal\Core\Database\Connection::insert0 N/A% -20 -17.1% -21 -17.9% 32 33.3% 56 3.3%
Drupal\Core\Database\Connection::delete0 N/A% -1 -0.9% -1 -0.9% 40 41.7% 0 0.0%
Child functions
class_exists0 N/A% -112 -95.7% -114 -97.4% -96 -100.0% 1,680 98.6%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -2 -1.7% 0 0.0% 0 0.0%