Diff Report
Run #51a287779d22e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51a287b61fb31: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #51a287779d22eRun #51a287b61fb31DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,137 974 -163 -14.3%
Incl. Wall Time (microsec) per call 1,137 974 -163 -14.3%
Excl. Wall Time (microsec)46 39 -7 -15.2%
Incl. CPU (microsecs)349 297 -52 -14.9%
Incl. CPU (microsecs) per call 349 297 -52 -14.9%
Excl. CPU (microsec)37 33 -4 -10.8%
Incl. MemUse (bytes)12,816 12,816 0 0.0%
Incl. MemUse (bytes) per call 12,816 12,816 0 0.0%
Excl. MemUse (bytes)3,200 3,200 0 0.0%
Incl. PeakMemUse (bytes)12,024 12,024 0 0.0%
Incl. PeakMemUse (bytes) per call 12,024 12,024 0 0.0%
Excl. PeakMemUse (bytes)1,608 1,608 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% -163 -42.4% -52 -56.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-7 -4.3% -4 -7.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -163 -100.0% -52 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -105 -64.4% -22 -42.3% 0 N/A% 0 N/A%
PDO::exec0 N/A% -52 -31.9% -26 -50.0% 0 N/A% 0 N/A%
implode0 N/A% 1 0.6% 0 0.0% 0 N/A% 0 N/A%