Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1a144fa6: 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 #519abf80bb905Run #519ac1a144fa6DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)923 762 -161 -17.4%
Incl. Wall Time (microsec) per call 923 762 -161 -17.4%
Excl. Wall Time (microsec)79 77 -2 -2.5%
Incl. CPU (microsecs)305 292 -13 -4.3%
Incl. CPU (microsecs) per call 305 292 -13 -4.3%
Excl. CPU (microsec)69 66 -3 -4.3%
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% -161 -20.2% -13 -0.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -1.2% -3 -23.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -161 -100.0% -13 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -154 -95.7% -10 -76.9% 0 N/A% 0 N/A%
PDO::exec0 N/A% -5 -3.1% 0 0.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%