Diff Report
Run #519eada161e65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ead03a5283: 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 #519eada161e65Run #519ead03a5283DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)800 768 -32 -4.0%
Incl. Wall Time (microsec) per call 800 768 -32 -4.0%
Excl. Wall Time (microsec)39 34 -5 -12.8%
Incl. CPU (microsecs)275 238 -37 -13.5%
Incl. CPU (microsecs) per call 275 238 -37 -13.5%
Excl. CPU (microsec)33 31 -2 -6.1%
Incl. MemUse (bytes)12,824 12,824 0 0.0%
Incl. MemUse (bytes) per call 12,824 12,824 0 0.0%
Excl. MemUse (bytes)3,184 3,184 0 0.0%
Incl. PeakMemUse (bytes)12,032 12,032 0 0.0%
Incl. PeakMemUse (bytes) per call 12,032 12,032 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% -32 -27.4% -37 -1.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -15.6% -2 -5.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -32 -100.0% -37 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -16 -50.0% -23 -62.2% 0 N/A% 0 N/A%
PDO::exec0 N/A% -10 -31.2% -10 -27.0% 0 N/A% 0 N/A%
implode0 N/A% -1 -3.1% -2 -5.4% 0 N/A% 0 N/A%