Diff Report
Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981e001fd46: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #51981beb768adRun #51981e001fd46DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)928 946 18 1.9%
Incl. Wall Time (microsec) per call 928 946 18 1.9%
Excl. Wall Time (microsec)41 44 3 7.3%
Incl. CPU (microsecs)353 325 -28 -7.9%
Incl. CPU (microsecs) per call 353 325 -28 -7.9%
Excl. CPU (microsec)36 38 2 5.6%
Incl. MemUse (bytes)13,016 13,016 0 0.0%
Incl. MemUse (bytes) per call 13,016 13,016 0 0.0%
Excl. MemUse (bytes)3,352 3,352 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% 18 12.6% -28 -9.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 16.7% 2 7.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 18 100.0% -28 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 26 144.4% -31 -110.7% 0 N/A% 0 N/A%
PDO::exec0 N/A% -11 -61.1% 2 7.1% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -3.6% 0 N/A% 0 N/A%