Diff Report
Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52f5cbc19a0d8Run #52f5cb0964fa0DiffDiff%
Number of Function Calls109 109 0 0.0%
Incl. Wall Time (microsec)874 852 -22 -2.5%
Incl. Wall Time (microsec) per call 8 8 -0 -2.5%
Excl. Wall Time (microsec)422 407 -15 -3.6%
Incl. CPU (microsecs)950 930 -20 -2.1%
Incl. CPU (microsecs) per call 9 9 -0 -2.1%
Excl. CPU (microsec)422 413 -9 -2.1%
Incl. MemUse (bytes)100,504 100,504 0 0.0%
Incl. MemUse (bytes) per call 922 922 0 0.0%
Excl. MemUse (bytes)93,304 93,304 0 0.0%
Incl. PeakMemUse (bytes)11,176 11,040 -136 -1.2%
Incl. PeakMemUse (bytes) per call 103 101 -1 -1.2%
Excl. PeakMemUse (bytes)9,256 9,176 -80 -0.9%

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% -22 -23.7% -20 -10.3% 0 0.0% -136 -0.5%
Exclusive Metrics Diff for Current Function-15 -68.2% -9 -45.0% 0 N/A% -80 -58.8%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -22 -100.0% -20 -100.0% 0 N/A% -136 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -7 -31.8% -11 -55.0% 0 N/A% -56 -41.2%