Diff Report
Run #519eb5243677d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb486908e7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519eb5243677dRun #519eb486908e7DiffDiff%
Number of Function Calls188 188 0 0.0%
Incl. Wall Time (microsec)2,947 2,967 20 0.7%
Incl. Wall Time (microsec) per call 16 16 0 0.7%
Excl. Wall Time (microsec)1,405 1,391 -14 -1.0%
Incl. CPU (microsecs)3,110 3,159 49 1.6%
Incl. CPU (microsecs) per call 17 17 0 1.6%
Excl. CPU (microsec)1,396 1,423 27 1.9%
Incl. MemUse (bytes)148,812 148,812 0 0.0%
Incl. MemUse (bytes) per call 792 792 0 0.0%
Excl. MemUse (bytes)147,752 147,752 0 0.0%
Incl. PeakMemUse (bytes)22,548 22,548 0 0.0%
Incl. PeakMemUse (bytes) per call 120 120 0 0.0%
Excl. PeakMemUse (bytes)21,432 21,432 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% 20 1.0% 49 4.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-14 -70.0% 27 55.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 20 100.0% 49 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 34 170.0% 22 44.9% 0 N/A% 0 N/A%