Diff Report
Run #53ccf1bb00d4b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53ccf06f3ae60: 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 #53ccf1bb00d4bRun #53ccf06f3ae60DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)354 331 -23 -6.5%
Incl. Wall Time (microsec) per call 354 331 -23 -6.5%
Excl. Wall Time (microsec)27 27 0 0.0%
Incl. CPU (microsecs)140 137 -3 -2.1%
Incl. CPU (microsecs) per call 140 137 -3 -2.1%
Excl. CPU (microsec)26 24 -2 -7.7%
Incl. MemUse (bytes)13,168 13,168 0 0.0%
Incl. MemUse (bytes) per call 13,168 13,168 0 0.0%
Excl. MemUse (bytes)3,504 3,504 0 0.0%
Incl. PeakMemUse (bytes)12,728 12,728 0 0.0%
Incl. PeakMemUse (bytes) per call 12,728 12,728 0 0.0%
Excl. PeakMemUse (bytes)2,088 2,088 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% -23 -1.5% -3 -0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% -2 -66.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -23 -100.0% -3 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -24 -104.3% -1 -33.3% 0 N/A% 0 N/A%
PDO::exec0 N/A% 1 4.3% 0 0.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%