Diff Report
Run #52353e715a325: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52353d82849e7: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #52353e715a325Run #52353d82849e7DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)816 855 39 4.8%
Incl. Wall Time (microsec) per call 816 855 39 4.8%
Excl. Wall Time (microsec)58 52 -6 -10.3%
Incl. CPU (microsecs)318 326 8 2.5%
Incl. CPU (microsecs) per call 318 326 8 2.5%
Excl. CPU (microsec)53 45 -8 -15.1%
Incl. MemUse (bytes)16,488 16,488 0 0.0%
Incl. MemUse (bytes) per call 16,488 16,488 0 0.0%
Excl. MemUse (bytes)3,512 3,512 0 0.0%
Incl. PeakMemUse (bytes)15,992 15,992 0 0.0%
Incl. PeakMemUse (bytes) per call 15,992 15,992 0 0.0%
Excl. PeakMemUse (bytes)1,952 1,952 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% 39 0.6% 8 0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -15.4% -8 -100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 39 100.0% 8 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 92 235.9% 39 487.5% 0 N/A% 0 N/A%
PDO::exec0 N/A% -44 -112.8% -22 -275.0% 0 N/A% 0 N/A%
implode0 N/A% -3 -7.7% -1 -12.5% 0 N/A% 0 N/A%