Diff Report
Run #5204417bc7ab7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5204421e7a2a2: 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 #5204417bc7ab7Run #5204421e7a2a2DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)923 897 -26 -2.8%
Incl. Wall Time (microsec) per call 923 897 -26 -2.8%
Excl. Wall Time (microsec)43 42 -1 -2.3%
Incl. CPU (microsecs)317 319 2 0.6%
Incl. CPU (microsecs) per call 317 319 2 0.6%
Excl. CPU (microsec)39 36 -3 -7.7%
Incl. MemUse (bytes)13,008 13,008 0 0.0%
Incl. MemUse (bytes) per call 13,008 13,008 0 0.0%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)12,432 12,432 0 0.0%
Incl. PeakMemUse (bytes) per call 12,432 12,432 0 0.0%
Excl. PeakMemUse (bytes)1,944 1,944 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% -26 -3.0% 2 0.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -3.8% -3 -150.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -26 -100.0% 2 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -31 -119.2% 8 400.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% 6 23.1% -3 -150.0% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%