Diff Report
Run #52d3e812c7cf2: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e85377bba: XHProf Run (Namespace=drupal-perf-cottser)
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 #52d3e812c7cf2Run #52d3e85377bbaDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)308 296 -12 -3.9%
Incl. Wall Time (microsec) per call 308 296 -12 -3.9%
Excl. Wall Time (microsec)27 25 -2 -7.4%
Incl. CPU (microsecs)134 131 -3 -2.2%
Incl. CPU (microsecs) per call 134 131 -3 -2.2%
Excl. CPU (microsec)23 23 0 0.0%
Incl. MemUse (bytes)13,008 13,000 -8 -0.1%
Incl. MemUse (bytes) per call 13,008 13,000 -8 -0.1%
Excl. MemUse (bytes)3,360 3,344 -16 -0.5%
Incl. PeakMemUse (bytes)12,696 12,680 -16 -0.1%
Incl. PeakMemUse (bytes) per call 12,696 12,680 -16 -0.1%
Excl. PeakMemUse (bytes)1,760 1,808 48 2.7%

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% -12 -0.7% -3 -0.2% -8 -0.0% -16 -0.0%
Exclusive Metrics Diff for Current Function-2 -16.7% 0 0.0% -16 -200.0% 48 300.0%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -12 -100.0% -3 -100.0% -8 -100.0% -16 -100.0%
Child functions
PDO::__construct0 N/A% -5 -41.7% 1 33.3% 8 100.0% -64 -400.0%
PDO::exec0 N/A% -5 -41.7% -3 -100.0% 0 0.0% 0 0.0%
implode0 N/A% 0 0.0% -1 -33.3% 0 0.0% 0 0.0%