Diff Report
Run #51ad01387670b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad018db619c: 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 #51ad01387670bRun #51ad018db619cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)912 702 -210 -23.0%
Incl. Wall Time (microsec) per call 912 702 -210 -23.0%
Excl. Wall Time (microsec)42 45 3 7.1%
Incl. CPU (microsecs)300 274 -26 -8.7%
Incl. CPU (microsecs) per call 300 274 -26 -8.7%
Excl. CPU (microsec)38 39 1 2.6%
Incl. MemUse (bytes)12,984 12,984 0 0.0%
Incl. MemUse (bytes) per call 12,984 12,984 0 0.0%
Excl. MemUse (bytes)3,368 3,368 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% -210 -61.4% -26 -2.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 1.4% 1 3.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -210 -100.0% -26 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -225 -107.1% -34 -130.8% 0 N/A% 0 N/A%
PDO::exec0 N/A% 12 5.7% 7 26.9% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%