Diff Report
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fbd1297c93: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::__construct

Drupal\Core\Database\Driver\mysql\Connection::__constructRun #518fb7370421eRun #518fbd1297c93DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,053 646 -407 -38.7%
Incl. Wall Time (microsec) per call 1,053 646 -407 -38.7%
Excl. Wall Time (microsec)34 36 2 5.9%
Incl. CPU (microsecs)461 407 -54 -11.7%
Incl. CPU (microsecs) per call 461 407 -54 -11.7%
Excl. CPU (microsec)30 34 4 13.3%
Incl. MemUse (bytes)46,096 46,096 0 0.0%
Incl. MemUse (bytes) per call 46,096 46,096 0 0.0%
Excl. MemUse (bytes)1,712 1,712 0 0.0%
Incl. PeakMemUse (bytes)48,480 48,480 0 0.0%
Incl. PeakMemUse (bytes) per call 48,480 48,480 0 0.0%
Excl. PeakMemUse (bytes)3,088 3,088 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Driver\mysql\Connection::__construct [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::__construct0 N/A% -407 -12.9% -54 -1.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function2 0.5% 4 7.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -407 -100.0% -54 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% -410 -100.7% -60 -111.1% 0 N/A% 0 N/A%
PDO::exec0 N/A% 1 0.2% 2 3.7% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%