Diff Report
Run #51b517a409f93: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b518680585e: 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 #51b517a409f93Run #51b518680585eDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)958 1,019 61 6.4%
Incl. Wall Time (microsec) per call 958 1,019 61 6.4%
Excl. Wall Time (microsec)47 49 2 4.3%
Incl. CPU (microsecs)335 329 -6 -1.8%
Incl. CPU (microsecs) per call 335 329 -6 -1.8%
Excl. CPU (microsec)44 42 -2 -4.5%
Incl. MemUse (bytes)12,960 12,960 0 0.0%
Incl. MemUse (bytes) per call 12,960 12,960 0 0.0%
Excl. MemUse (bytes)3,344 3,344 0 0.0%
Incl. PeakMemUse (bytes)12,008 12,008 0 0.0%
Incl. PeakMemUse (bytes) per call 12,008 12,008 0 0.0%
Excl. PeakMemUse (bytes)1,632 1,632 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% 61 1.2% -6 -0.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 3.3% -2 -33.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 61 100.0% -6 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 60 98.4% -2 -33.3% 0 N/A% 0 N/A%
implode0 N/A% -2 -3.3% -2 -33.3% 0 N/A% 0 N/A%
PDO::exec0 N/A% 1 1.6% 0 0.0% 0 N/A% 0 N/A%