Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad972c8c0d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #534ad8dec7444Run #534ad972c8c0dDiffDiff%
Number of Function Calls222 222 0 0.0%
Incl. Wall Time (microsec)3,104 3,119 15 0.5%
Incl. Wall Time (microsec) per call 14 14 0 0.5%
Excl. Wall Time (microsec)1,526 1,564 38 2.5%
Incl. CPU (microsecs)3,330 3,342 12 0.4%
Incl. CPU (microsecs) per call 15 15 0 0.4%
Excl. CPU (microsec)1,547 1,589 42 2.7%
Incl. MemUse (bytes)156,928 156,928 0 0.0%
Incl. MemUse (bytes) per call 707 707 0 0.0%
Excl. MemUse (bytes)149,616 149,616 0 0.0%
Incl. PeakMemUse (bytes)39,040 39,040 0 0.0%
Incl. PeakMemUse (bytes) per call 176 176 0 0.0%
Excl. PeakMemUse (bytes)37,536 37,536 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% 15 1.0% 12 2.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function38 253.3% 42 350.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 15 100.0% 12 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -23 -153.3% -30 -250.0% 0 N/A% 0 N/A%