Diff Report
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5ac5912c3: 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 #51ca5a4995c23Run #51ca5ac5912c3DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)984 919 -65 -6.6%
Incl. Wall Time (microsec) per call 984 919 -65 -6.6%
Excl. Wall Time (microsec)49 47 -2 -4.1%
Incl. CPU (microsecs)326 311 -15 -4.6%
Incl. CPU (microsecs) per call 326 311 -15 -4.6%
Excl. CPU (microsec)46 43 -3 -6.5%
Incl. MemUse (bytes)13,152 13,152 0 0.0%
Incl. MemUse (bytes) per call 13,152 13,152 0 0.0%
Excl. MemUse (bytes)3,536 3,536 0 0.0%
Incl. PeakMemUse (bytes)12,472 12,472 0 0.0%
Incl. PeakMemUse (bytes) per call 12,472 12,472 0 0.0%
Excl. PeakMemUse (bytes)1,952 1,952 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% -65 -18.7% -15 -0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -3.1% -3 -20.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -65 -100.0% -15 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -172 -264.6% -11 -73.3% 0 N/A% 0 N/A%
PDO::exec0 N/A% 109 167.7% 1 6.7% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -2 -13.3% 0 N/A% 0 N/A%