Diff Report
Run #53180b3960796: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53180bc98020f: 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 #53180b3960796Run #53180bc98020fDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)607 570 -37 -6.1%
Incl. Wall Time (microsec) per call 607 570 -37 -6.1%
Excl. Wall Time (microsec)44 45 1 2.3%
Incl. CPU (microsecs)311 298 -13 -4.2%
Incl. CPU (microsecs) per call 311 298 -13 -4.2%
Excl. CPU (microsec)38 39 1 2.6%
Incl. MemUse (bytes)13,280 13,280 0 0.0%
Incl. MemUse (bytes) per call 13,280 13,280 0 0.0%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)12,120 12,120 0 0.0%
Incl. PeakMemUse (bytes) per call 12,120 12,120 0 0.0%
Excl. PeakMemUse (bytes)1,992 1,992 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% -37 -1.0% -13 -0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 2.7% 1 7.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -37 -100.0% -13 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -53 -143.2% -2 -15.4% 0 N/A% 0 N/A%
PDO::exec0 N/A% 16 43.2% -11 -84.6% 0 N/A% 0 N/A%
implode0 N/A% -1 -2.7% -1 -7.7% 0 N/A% 0 N/A%