Diff Report
Run #519ec8682c2dc: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ec8bd1b3c1: 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 #519ec8682c2dcRun #519ec8bd1b3c1DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)927 691 -236 -25.5%
Incl. Wall Time (microsec) per call 927 691 -236 -25.5%
Excl. Wall Time (microsec)39 36 -3 -7.7%
Incl. CPU (microsecs)311 288 -23 -7.4%
Incl. CPU (microsecs) per call 311 288 -23 -7.4%
Excl. CPU (microsec)32 34 2 6.2%
Incl. MemUse (bytes)12,816 12,816 0 0.0%
Incl. MemUse (bytes) per call 12,816 12,816 0 0.0%
Excl. MemUse (bytes)3,160 3,160 0 0.0%
Incl. PeakMemUse (bytes)12,024 12,024 0 0.0%
Incl. PeakMemUse (bytes) per call 12,024 12,024 0 0.0%
Excl. PeakMemUse (bytes)1,608 1,608 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% -236 -9.1% -23 -0.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -1.3% 2 8.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -236 -100.0% -23 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -231 -97.9% -23 -100.0% 0 N/A% 0 N/A%
implode0 N/A% -1 -0.4% -3 -13.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% -1 -0.4% 1 4.3% 0 N/A% 0 N/A%