Diff Report
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5b0eb2b08: 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 #51ca5a4995c23Run #51ca5b0eb2b08DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)984 889 -95 -9.7%
Incl. Wall Time (microsec) per call 984 889 -95 -9.7%
Excl. Wall Time (microsec)49 50 1 2.0%
Incl. CPU (microsecs)326 336 10 3.1%
Incl. CPU (microsecs) per call 326 336 10 3.1%
Excl. CPU (microsec)46 44 -2 -4.3%
Incl. MemUse (bytes)13,152 13,152 0 0.0%
Incl. MemUse (bytes) per call 13,152 13,152 0 0.0%
Excl. MemUse (bytes)3,536 3,536 0 0.0%
Incl. PeakMemUse (bytes)12,472 12,472 0 0.0%
Incl. PeakMemUse (bytes) per call 12,472 12,472 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% -95 -2.5% 10 0.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 1.1% -2 -20.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -95 -100.0% 10 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -101 -106.3% 14 140.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% 4 4.2% -3 -30.0% 0 N/A% 0 N/A%
implode0 N/A% 1 1.1% 1 10.0% 0 N/A% 0 N/A%