Diff Report
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3b37c1a66: 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 #538e3ac0de109Run #538e3b37c1a66DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)339 342 3 0.9%
Incl. Wall Time (microsec) per call 339 342 3 0.9%
Excl. Wall Time (microsec)27 27 0 0.0%
Incl. CPU (microsecs)134 132 -2 -1.5%
Incl. CPU (microsecs) per call 134 132 -2 -1.5%
Excl. CPU (microsec)23 24 1 4.3%
Incl. MemUse (bytes)12,984 12,984 0 0.0%
Incl. MemUse (bytes) per call 12,984 12,984 0 0.0%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)11,560 11,560 0 0.0%
Incl. PeakMemUse (bytes) per call 11,560 11,560 0 0.0%
Excl. PeakMemUse (bytes)1,760 1,760 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% 3 0.1% -2 -0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% 1 50.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 3 100.0% -2 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 3 100.0% 0 0.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -50.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% 0 0.0% -2 -100.0% 0 N/A% 0 N/A%