Diff Report
Run #5394e2ae29e1b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5394e21e9bd45: 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 #5394e2ae29e1bRun #5394e21e9bd45DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)755 563 -192 -25.4%
Incl. Wall Time (microsec) per call 755 563 -192 -25.4%
Excl. Wall Time (microsec)43 40 -3 -7.0%
Incl. CPU (microsecs)322 246 -76 -23.6%
Incl. CPU (microsecs) per call 322 246 -76 -23.6%
Excl. CPU (microsec)39 34 -5 -12.8%
Incl. MemUse (bytes)13,296 13,296 0 0.0%
Incl. MemUse (bytes) per call 13,296 13,296 0 0.0%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)11,960 11,960 0 0.0%
Incl. PeakMemUse (bytes) per call 11,960 11,960 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% -192 -5.6% -76 -2.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -1.6% -5 -6.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -192 -100.0% -76 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -97 -50.5% -52 -68.4% 0 N/A% 0 N/A%
PDO::exec0 N/A% -92 -47.9% -18 -23.7% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -1 -1.3% 0 N/A% 0 N/A%