Diff Report
Run #52353d82849e7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52353dd1139c1: 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 #52353d82849e7Run #52353dd1139c1DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)855 628 -227 -26.5%
Incl. Wall Time (microsec) per call 855 628 -227 -26.5%
Excl. Wall Time (microsec)52 50 -2 -3.8%
Incl. CPU (microsecs)326 270 -56 -17.2%
Incl. CPU (microsecs) per call 326 270 -56 -17.2%
Excl. CPU (microsec)45 47 2 4.4%
Incl. MemUse (bytes)16,488 16,488 0 0.0%
Incl. MemUse (bytes) per call 16,488 16,488 0 0.0%
Excl. MemUse (bytes)3,512 3,512 0 0.0%
Incl. PeakMemUse (bytes)15,992 15,992 0 0.0%
Incl. PeakMemUse (bytes) per call 15,992 15,992 0 0.0%
Excl. PeakMemUse (bytes)1,952 1,952 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% -227 -756.7% -56 -6.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -0.9% 2 3.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -227 -100.0% -56 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -267 -117.6% -44 -78.6% 0 N/A% 0 N/A%
PDO::exec0 N/A% 42 18.5% -12 -21.4% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -2 -3.6% 0 N/A% 0 N/A%