Diff Report
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a77153dbf: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #54e0a6d45fe2aRun #54e0a77153dbfDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)333 315 -18 -5.4%
Incl. Wall Time (microsec) per call 333 315 -18 -5.4%
Excl. Wall Time (microsec)29 28 -1 -3.4%
Incl. CPU (microsecs)146 139 -7 -4.8%
Incl. CPU (microsecs) per call 146 139 -7 -4.8%
Excl. CPU (microsec)24 25 1 4.2%
Incl. MemUse (bytes)13,032 13,032 0 0.0%
Incl. MemUse (bytes) per call 13,032 13,032 0 0.0%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)11,896 11,896 0 0.0%
Incl. PeakMemUse (bytes) per call 11,896 11,896 0 0.0%
Excl. PeakMemUse (bytes)2,064 2,064 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% -18 -1.0% -7 -0.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -5.6% 1 14.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -18 -100.0% -7 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -14 -77.8% -6 -85.7% 0 N/A% 0 N/A%
PDO::exec0 N/A% -3 -16.7% -1 -14.3% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -14.3% 0 N/A% 0 N/A%