Diff Report
Run #51ad024086f90: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad028f5e6a3: 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 #51ad024086f90Run #51ad028f5e6a3DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)986 931 -55 -5.6%
Incl. Wall Time (microsec) per call 986 931 -55 -5.6%
Excl. Wall Time (microsec)48 41 -7 -14.6%
Incl. CPU (microsecs)348 284 -64 -18.4%
Incl. CPU (microsecs) per call 348 284 -64 -18.4%
Excl. CPU (microsec)41 35 -6 -14.6%
Incl. MemUse (bytes)12,984 12,984 0 0.0%
Incl. MemUse (bytes) per call 12,984 12,984 0 0.0%
Excl. MemUse (bytes)3,368 3,368 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% -55 -11.8% -64 -30.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-7 -12.7% -6 -9.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -55 -100.0% -64 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::exec0 N/A% -73 -132.7% -19 -29.7% 0 N/A% 0 N/A%
PDO::__construct0 N/A% 25 45.5% -40 -62.5% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 1 1.6% 0 N/A% 0 N/A%