Diff Report
Run #51ca54a312a65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5414b31d9: 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 #51ca54a312a65Run #51ca5414b31d9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)924 894 -30 -3.2%
Incl. Wall Time (microsec) per call 924 894 -30 -3.2%
Excl. Wall Time (microsec)49 48 -1 -2.0%
Incl. CPU (microsecs)323 328 5 1.5%
Incl. CPU (microsecs) per call 323 328 5 1.5%
Excl. CPU (microsec)41 43 2 4.9%
Incl. MemUse (bytes)13,152 13,152 0 0.0%
Incl. MemUse (bytes) per call 13,152 13,152 0 0.0%
Excl. MemUse (bytes)3,536 3,536 0 0.0%
Incl. PeakMemUse (bytes)12,472 12,472 0 0.0%
Incl. PeakMemUse (bytes) per call 12,472 12,472 0 0.0%
Excl. PeakMemUse (bytes)1,952 1,952 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% -30 -2.7% 5 2.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -3.3% 2 40.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -30 -100.0% 5 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -32 -106.7% 7 140.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% 2 6.7% -5 -100.0% 0 N/A% 0 N/A%
implode0 N/A% 1 3.3% 1 20.0% 0 N/A% 0 N/A%