Diff Report
Run #53d435bff29d8: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53d4352fc0c61: 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 #53d435bff29d8Run #53d4352fc0c61DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)618 547 -71 -11.5%
Incl. Wall Time (microsec) per call 618 547 -71 -11.5%
Excl. Wall Time (microsec)68 49 -19 -27.9%
Incl. CPU (microsecs)320 266 -54 -16.9%
Incl. CPU (microsecs) per call 320 266 -54 -16.9%
Excl. CPU (microsec)62 41 -21 -33.9%
Incl. MemUse (bytes)13,488 13,488 0 0.0%
Incl. MemUse (bytes) per call 13,488 13,488 0 0.0%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)12,528 12,528 0 0.0%
Incl. PeakMemUse (bytes) per call 12,528 12,528 0 0.0%
Excl. PeakMemUse (bytes)1,920 1,920 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% -71 -2.7% -54 -1.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-19 -26.8% -21 -38.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -71 -100.0% -54 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -38 -53.5% -27 -50.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% -13 -18.3% -6 -11.1% 0 N/A% 0 N/A%
implode0 N/A% -1 -1.4% 0 0.0% 0 N/A% 0 N/A%