Diff Report
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #51ec66a5a877dRun #51ec623000e0cDiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,002 1,071 69 6.9%
Incl. Wall Time (microsec) per call 53 56 4 6.9%
Excl. Wall Time (microsec)68 69 1 1.5%
Incl. CPU (microsecs)1,024 1,087 63 6.2%
Incl. CPU (microsecs) per call 54 57 3 6.2%
Excl. CPU (microsec)81 78 -3 -3.7%
Incl. MemUse (bytes)319,144 319,176 32 0.0%
Incl. MemUse (bytes) per call 16,797 16,799 2 0.0%
Excl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. PeakMemUse (bytes)258,728 265,784 7,056 2.7%
Incl. PeakMemUse (bytes) per call 13,617 13,989 371 2.7%
Excl. PeakMemUse (bytes)3,088 3,560 472 15.3%

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% 69 2.9% 63 1.8% 32 0.0% 7,056 9.7%
Exclusive Metrics Diff for Current Function1 1.4% -3 -4.8% 0 0.0% 472 6.7%
Parent functions
Drupal\Core\Database\Connection::delete0 N/A% 67 97.1% 67 106.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::insert0 N/A% 8 11.6% 8 12.7% 0 0.0% 7,064 100.1%
Drupal\Core\Database\Connection::select0 N/A% -5 -7.2% -10 -15.9% 24 75.0% -16 -0.2%
Drupal\Core\Database\Connection::merge0 N/A% -2 -2.9% -2 -3.2% 8 25.0% 8 0.1%
Drupal\Core\Database\Connection::update0 N/A% 1 1.4% 0 0.0% 0 0.0% 0 0.0%
Child functions
class_exists0 N/A% 68 98.6% 68 107.9% 32 100.0% 6,584 93.3%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -2 -3.2% 0 0.0% 0 0.0%