Diff Report
Run #52c96b69a1c07: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96bbf45f87: 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 #52c96b69a1c07Run #52c96bbf45f87DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)306 307 1 0.3%
Incl. Wall Time (microsec) per call 306 307 1 0.3%
Excl. Wall Time (microsec)25 24 -1 -4.0%
Incl. CPU (microsecs)136 136 0 0.0%
Incl. CPU (microsecs) per call 136 136 0 0.0%
Excl. CPU (microsec)21 19 -2 -9.5%
Incl. MemUse (bytes)12,968 12,992 24 0.2%
Incl. MemUse (bytes) per call 12,968 12,992 24 0.2%
Excl. MemUse (bytes)3,320 3,320 0 0.0%
Incl. PeakMemUse (bytes)12,368 12,392 24 0.2%
Incl. PeakMemUse (bytes) per call 12,368 12,392 24 0.2%
Excl. PeakMemUse (bytes)1,800 1,800 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% 1 0.2% 0 0.0% 24 0.0% 24 0.0%
Exclusive Metrics Diff for Current Function-1 -100.0% -2 N/A% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 1 100.0% 0 N/A% 24 100.0% 24 100.0%
Child functions
PDO::__construct0 N/A% 3 300.0% 1 N/A% 24 100.0% 0 0.0%
PDO::exec0 N/A% -1 -100.0% 0 N/A% 0 0.0% 0 0.0%
implode0 N/A% 0 0.0% 1 N/A% 0 0.0% 24 100.0%