Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e633ddef65: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519e62c02d767Run #519e633ddef65DiffDiff%
Number of Function Calls187 187 0 0.0%
Incl. Wall Time (microsec)1,751 1,740 -11 -0.6%
Incl. Wall Time (microsec) per call 9 9 -0 -0.6%
Excl. Wall Time (microsec)839 829 -10 -1.2%
Incl. CPU (microsecs)1,910 1,887 -23 -1.2%
Incl. CPU (microsecs) per call 10 10 -0 -1.2%
Excl. CPU (microsec)863 841 -22 -2.5%
Incl. MemUse (bytes)171,040 171,040 0 0.0%
Incl. MemUse (bytes) per call 915 915 0 0.0%
Excl. MemUse (bytes)160,096 160,096 0 0.0%
Incl. PeakMemUse (bytes)8,312 8,312 0 0.0%
Incl. PeakMemUse (bytes) per call 44 44 0 0.0%
Excl. PeakMemUse (bytes)8,312 8,312 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% -11 -2.8% -23 -3.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-10 -90.9% -22 -95.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -11 -100.0% -23 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -1 -9.1% -1 -4.3% 0 N/A% 0 N/A%