Diff Report
Run #519aa37b5bebd: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519aa3e018419: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #519aa37b5bebdRun #519aa3e018419DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)782 595 -187 -23.9%
Incl. Wall Time (microsec) per call 782 595 -187 -23.9%
Excl. Wall Time (microsec)80 75 -5 -6.2%
Incl. CPU (microsecs)288 239 -49 -17.0%
Incl. CPU (microsecs) per call 288 239 -49 -17.0%
Excl. CPU (microsec)66 66 0 0.0%
Incl. MemUse (bytes)6,296 6,296 0 0.0%
Incl. MemUse (bytes) per call 6,296 6,296 0 0.0%
Excl. MemUse (bytes)3,424 3,424 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% -187 -10.4% -49 -3.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -2.7% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -187 -100.0% -49 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -177 -94.7% -35 -71.4% 0 N/A% 0 N/A%
PDO::exec0 N/A% -4 -2.1% -13 -26.5% 0 N/A% 0 N/A%
implode0 N/A% -1 -0.5% -1 -2.0% 0 N/A% 0 N/A%