Diff Report
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a1fd8a982: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52e4a1c03557cRun #52e4a1fd8a982DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)745 740 -5 -0.7%
Incl. Wall Time (microsec) per call 8 8 -0 -0.7%
Excl. Wall Time (microsec)361 366 5 1.4%
Incl. CPU (microsecs)810 810 0 0.0%
Incl. CPU (microsecs) per call 9 9 0 0.0%
Excl. CPU (microsec)355 365 10 2.8%
Incl. MemUse (bytes)81,408 81,408 0 0.0%
Incl. MemUse (bytes) per call 925 925 0 0.0%
Excl. MemUse (bytes)75,216 75,216 0 0.0%
Incl. PeakMemUse (bytes)12,984 12,984 0 0.0%
Incl. PeakMemUse (bytes) per call 148 148 0 0.0%
Excl. PeakMemUse (bytes)10,944 10,944 0 0.0%

Parent/Child Regression/Improvement report for PDO::prepare [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
PDO::prepare0 N/A% -5 -1.2% 0 0.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 100.0% 10 N/A% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -5 -100.0% 0 N/A% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -10 -200.0% -10 N/A% 0 N/A% 0 N/A%