Diff Report
Run #530ef14e56c65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ef19752730: 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 #530ef14e56c65Run #530ef19752730DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)703 542 -161 -22.9%
Incl. Wall Time (microsec) per call 703 542 -161 -22.9%
Excl. Wall Time (microsec)49 44 -5 -10.2%
Incl. CPU (microsecs)380 268 -112 -29.5%
Incl. CPU (microsecs) per call 380 268 -112 -29.5%
Excl. CPU (microsec)42 38 -4 -9.5%
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)12,072 12,072 0 0.0%
Incl. PeakMemUse (bytes) per call 12,072 12,072 0 0.0%
Excl. PeakMemUse (bytes)1,944 1,944 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% -161 -1.6% -112 -1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -3.1% -4 -3.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -161 -100.0% -112 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -106 -65.8% -67 -59.8% 0 N/A% 0 N/A%
PDO::exec0 N/A% -43 -26.7% -33 -29.5% 0 N/A% 0 N/A%
implode0 N/A% -7 -4.3% -8 -7.1% 0 N/A% 0 N/A%