Diff Report
Run #51b032b631491: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b0336932f18: 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 #51b032b631491Run #51b0336932f18DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,167 876 -291 -24.9%
Incl. Wall Time (microsec) per call 1,167 876 -291 -24.9%
Excl. Wall Time (microsec)48 38 -10 -20.8%
Incl. CPU (microsecs)359 292 -67 -18.7%
Incl. CPU (microsecs) per call 359 292 -67 -18.7%
Excl. CPU (microsec)40 34 -6 -15.0%
Incl. MemUse (bytes)12,968 12,968 0 0.0%
Incl. MemUse (bytes) per call 12,968 12,968 0 0.0%
Excl. MemUse (bytes)3,352 3,352 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% -291 -127.6% -67 -0.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-10 -3.4% -6 -9.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -291 -100.0% -67 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -229 -78.7% -39 -58.2% 0 N/A% 0 N/A%
PDO::exec0 N/A% -52 -17.9% -21 -31.3% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -1.5% 0 N/A% 0 N/A%