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

Drupal\Core\Database\Connection::getDriverClassRun #51ec623000e0cRun #51ec66a5a877dDiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)1,071 1,002 -69 -6.4%
Incl. Wall Time (microsec) per call 56 53 -4 -6.4%
Excl. Wall Time (microsec)69 68 -1 -1.4%
Incl. CPU (microsecs)1,087 1,024 -63 -5.8%
Incl. CPU (microsecs) per call 57 54 -3 -5.8%
Excl. CPU (microsec)78 81 3 3.8%
Incl. MemUse (bytes)319,176 319,144 -32 -0.0%
Incl. MemUse (bytes) per call 16,799 16,797 -2 -0.0%
Excl. MemUse (bytes)5,824 5,824 0 0.0%
Incl. PeakMemUse (bytes)265,784 258,728 -7,056 -2.7%
Incl. PeakMemUse (bytes) per call 13,989 13,617 -371 -2.7%
Excl. PeakMemUse (bytes)3,560 3,088 -472 -13.3%

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 Function-1 -1.4% 3 4.8% 0 0.0% -472 -6.7%
Parent functions
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::delete0 N/A% -67 -97.1% -67 -106.3% 0 0.0% 0 0.0%
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%