Diff Report
Run #52c642960e9a6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52c642960e9a6Run #52c641a950046DiffDiff%
Number of Function Calls159 159 0 0.0%
Incl. Wall Time (microsec)1,316 1,297 -19 -1.4%
Incl. Wall Time (microsec) per call 8 8 -0 -1.4%
Excl. Wall Time (microsec)634 618 -16 -2.5%
Incl. CPU (microsecs)1,441 1,428 -13 -0.9%
Incl. CPU (microsecs) per call 9 9 -0 -0.9%
Excl. CPU (microsec)638 621 -17 -2.7%
Incl. MemUse (bytes)154,664 154,672 8 0.0%
Incl. MemUse (bytes) per call 973 973 0 0.0%
Excl. MemUse (bytes)145,064 145,072 8 0.0%
Incl. PeakMemUse (bytes)13,344 13,304 -40 -0.3%
Incl. PeakMemUse (bytes) per call 84 84 -0 -0.3%
Excl. PeakMemUse (bytes)11,080 11,040 -40 -0.4%

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% -19 -0.6% -13 -0.5% 8 0.0% -40 -0.1%
Exclusive Metrics Diff for Current Function-16 -84.2% -17 -130.8% 8 100.0% -40 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -19 -100.0% -13 -100.0% 8 100.0% -40 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -3 -15.8% 4 30.8% 0 0.0% 0 0.0%