Diff Report
Run #544333b05173f: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #544337f542f97: 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 #544333b05173fRun #544337f542f97DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)621 566 -55 -8.9%
Incl. Wall Time (microsec) per call 621 566 -55 -8.9%
Excl. Wall Time (microsec)46 42 -4 -8.7%
Incl. CPU (microsecs)275 272 -3 -1.1%
Incl. CPU (microsecs) per call 275 272 -3 -1.1%
Excl. CPU (microsec)41 38 -3 -7.3%
Incl. MemUse (bytes)13,480 13,480 0 0.0%
Incl. MemUse (bytes) per call 13,480 13,480 0 0.0%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)12,760 12,760 0 0.0%
Incl. PeakMemUse (bytes) per call 12,760 12,760 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% -55 -1.6% -3 -0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-4 -7.3% -3 -100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -55 -100.0% -3 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% -32 -58.2% -3 -100.0% 0 N/A% 0 N/A%
PDO::__construct0 N/A% -18 -32.7% 5 166.7% 0 N/A% 0 N/A%
implode0 N/A% -1 -1.8% -2 -66.7% 0 N/A% 0 N/A%