Diff Report
Run #519ffa0e6cdec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ffa6332b29: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #519ffa0e6cdecRun #519ffa6332b29DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)375 437 62 16.5%
Incl. Wall Time (microsec) per call 375 437 62 16.5%
Excl. Wall Time (microsec)40 38 -2 -5.0%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)12,776 12,776 0 0.0%
Incl. MemUse (bytes) per call 12,776 12,776 0 0.0%
Excl. MemUse (bytes)3,176 3,176 0 0.0%
Incl. PeakMemUse (bytes)12,544 12,544 0 0.0%
Incl. PeakMemUse (bytes) per call 12,544 12,544 0 0.0%
Excl. PeakMemUse (bytes)1,648 1,648 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% 62 3.0% 0 0.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -3.2% 0 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 62 100.0% 0 N/A% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% 65 104.8% 0 N/A% 0 N/A% 0 N/A%
PDO::__construct0 N/A% -2 -3.2% 0 N/A% 0 N/A% 0 N/A%
implode0 N/A% 1 1.6% 0 N/A% 0 N/A% 0 N/A%