Diff Report
Run #517d7319aefb8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d73f55c548: 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 #517d7319aefb8Run #517d73f55c548DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)1,123 919 -204 -18.2%
Incl. Wall Time (microsec) per call 1,123 919 -204 -18.2%
Excl. Wall Time (microsec)34 33 -1 -2.9%
Incl. CPU (microsecs)534 509 -25 -4.7%
Incl. CPU (microsecs) per call 534 509 -25 -4.7%
Excl. CPU (microsec)30 29 -1 -3.3%
Incl. MemUse (bytes)46,056 46,056 0 0.0%
Incl. MemUse (bytes) per call 46,056 46,056 0 0.0%
Excl. MemUse (bytes)1,712 1,712 0 0.0%
Incl. PeakMemUse (bytes)48,440 48,440 0 0.0%
Incl. PeakMemUse (bytes) per call 48,440 48,440 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% -204 -2.5% -25 -0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -0.5% -1 -4.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -204 -100.0% -25 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::__construct0 N/A% -118 -57.8% -32 -128.0% 0 N/A% 0 N/A%
PDO::exec0 N/A% -84 -41.2% 8 32.0% 0 N/A% 0 N/A%
implode0 N/A% -1 -0.5% 0 0.0% 0 N/A% 0 N/A%