Diff Report
Run #51afe9f952272: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51afe9a0d59b4: 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 #51afe9f952272Run #51afe9a0d59b4DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)941 956 15 1.6%
Incl. Wall Time (microsec) per call 941 956 15 1.6%
Excl. Wall Time (microsec)40 39 -1 -2.5%
Incl. CPU (microsecs)309 307 -2 -0.6%
Incl. CPU (microsecs) per call 309 307 -2 -0.6%
Excl. CPU (microsec)35 33 -2 -5.7%
Incl. MemUse (bytes)12,800 12,800 0 0.0%
Incl. MemUse (bytes) per call 12,800 12,800 0 0.0%
Excl. MemUse (bytes)3,184 3,184 0 0.0%
Incl. PeakMemUse (bytes)11,848 11,848 0 0.0%
Incl. PeakMemUse (bytes) per call 11,848 11,848 0 0.0%
Excl. PeakMemUse (bytes)1,384 1,384 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% 15 1.4% -2 -0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -6.7% -2 -100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 15 100.0% -2 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 16 106.7% -8 -400.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 1 50.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% 0 0.0% 7 350.0% 0 N/A% 0 N/A%