Diff Report
Run #5204421e7a2a2: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5204417bc7ab7: 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 #5204421e7a2a2Run #5204417bc7ab7DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)897 923 26 2.9%
Incl. Wall Time (microsec) per call 897 923 26 2.9%
Excl. Wall Time (microsec)42 43 1 2.4%
Incl. CPU (microsecs)319 317 -2 -0.6%
Incl. CPU (microsecs) per call 319 317 -2 -0.6%
Excl. CPU (microsec)36 39 3 8.3%
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 Function1 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%