Diff Report
Run #519e636f9416a: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519e636f9416aRun #519e62c02d767DiffDiff%
Number of Function Calls187 187 0 0.0%
Incl. Wall Time (microsec)1,745 1,751 6 0.3%
Incl. Wall Time (microsec) per call 9 9 0 0.3%
Excl. Wall Time (microsec)833 839 6 0.7%
Incl. CPU (microsecs)1,888 1,910 22 1.2%
Incl. CPU (microsecs) per call 10 10 0 1.2%
Excl. CPU (microsec)809 863 54 6.7%
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)8,072 8,312 240 3.0%
Incl. PeakMemUse (bytes) per call 43 44 1 3.0%
Excl. PeakMemUse (bytes)8,072 8,312 240 3.0%

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% 6 0.0% 22 0.1% 0 0.0% 240 0.4%
Exclusive Metrics Diff for Current Function6 100.0% 54 245.5% 0 N/A% 240 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 6 100.0% 22 100.0% 0 N/A% 240 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 0 0.0% -32 -145.5% 0 N/A% 0 0.0%