Diff Report
Run #523f27f8820ba: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f26a22745b: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #523f27f8820baRun #523f26a22745bDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)843 1,000 157 18.6%
Incl. Wall Time (microsec) per call 843 1,000 157 18.6%
Excl. Wall Time (microsec)46 44 -2 -4.3%
Incl. CPU (microsecs)297 327 30 10.1%
Incl. CPU (microsecs) per call 297 327 30 10.1%
Excl. CPU (microsec)41 41 0 0.0%
Incl. MemUse (bytes)13,128 13,128 0 0.0%
Incl. MemUse (bytes) per call 13,128 13,128 0 0.0%
Excl. MemUse (bytes)3,512 3,512 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)2,000 2,000 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% 157 0.6% 30 0.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-2 -1.3% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% 157 100.0% 30 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% 151 96.2% 44 146.7% 0 N/A% 0 N/A%
PDO::exec0 N/A% 9 5.7% -12 -40.0% 0 N/A% 0 N/A%
implode0 N/A% -1 -0.6% -2 -6.7% 0 N/A% 0 N/A%