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

PDO::prepareRun #52f5cb0964fa0Run #52f5cbc19a0d8DiffDiff%
Number of Function Calls109 109 0 0.0%
Incl. Wall Time (microsec)852 874 22 2.6%
Incl. Wall Time (microsec) per call 8 8 0 2.6%
Excl. Wall Time (microsec)407 422 15 3.7%
Incl. CPU (microsecs)930 950 20 2.2%
Incl. CPU (microsecs) per call 9 9 0 2.2%
Excl. CPU (microsec)413 422 9 2.2%
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)11,040 11,176 136 1.2%
Incl. PeakMemUse (bytes) per call 101 103 1 1.2%
Excl. PeakMemUse (bytes)9,176 9,256 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 Function15 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%