Diff Report
Run #523f024cca254: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f01900df5c: 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 #523f024cca254Run #523f01900df5cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,021 898 -123 -12.0%
Incl. Wall Time (microsec) per call 1,021 898 -123 -12.0%
Excl. Wall Time (microsec)46 42 -4 -8.7%
Incl. CPU (microsecs)325 297 -28 -8.6%
Incl. CPU (microsecs) per call 325 297 -28 -8.6%
Excl. CPU (microsec)40 39 -1 -2.5%
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% -123 -20.6% -28 -6.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-4 -3.3% -1 -3.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -123 -100.0% -28 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -68 -55.3% -17 -60.7% 0 N/A% 0 N/A%
PDO::exec0 N/A% -51 -41.5% -8 -28.6% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -2 -7.1% 0 N/A% 0 N/A%