Diff Report
Run #526a239923027: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #526a240c73a50: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #526a239923027Run #526a240c73a50DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)622 664 42 6.8%
Incl. Wall Time (microsec) per call 622 664 42 6.8%
Excl. Wall Time (microsec)45 41 -4 -8.9%
Incl. CPU (microsecs)312 300 -12 -3.8%
Incl. CPU (microsecs) per call 312 300 -12 -3.8%
Excl. CPU (microsec)36 41 5 13.9%
Incl. MemUse (bytes)13,160 13,160 0 0.0%
Incl. MemUse (bytes) per call 13,160 13,160 0 0.0%
Excl. MemUse (bytes)3,528 3,528 0 0.0%
Incl. PeakMemUse (bytes)12,632 12,632 0 0.0%
Incl. PeakMemUse (bytes) per call 12,632 12,632 0 0.0%
Excl. PeakMemUse (bytes)2,008 2,008 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Driver\mysql\Connection::open [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\Driver\mysql\Connection::open0 N/A% 42 123.5% -12 -7.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-4 -9.5% 5 41.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 42 100.0% -12 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% 41 97.6% -10 -83.3% 0 N/A% 0 N/A%
PDO::__construct0 N/A% 6 14.3% -5 -41.7% 0 N/A% 0 N/A%
implode0 N/A% -1 -2.4% -2 -16.7% 0 N/A% 0 N/A%