Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea2c59e7a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519be9a13e594Run #519bea2c59e7aDiffDiff%
Number of Function Calls149 149 0 0.0%
Incl. Wall Time (microsec)2,271 2,251 -20 -0.9%
Incl. Wall Time (microsec) per call 15 15 -0 -0.9%
Excl. Wall Time (microsec)1,095 1,086 -9 -0.8%
Incl. CPU (microsecs)2,414 2,388 -26 -1.1%
Incl. CPU (microsecs) per call 16 16 -0 -1.1%
Excl. CPU (microsec)1,093 1,090 -3 -0.3%
Incl. MemUse (bytes)119,352 119,352 0 0.0%
Incl. MemUse (bytes) per call 801 801 0 0.0%
Excl. MemUse (bytes)118,292 118,292 0 0.0%
Incl. PeakMemUse (bytes)23,564 23,564 0 0.0%
Incl. PeakMemUse (bytes) per call 158 158 0 0.0%
Excl. PeakMemUse (bytes)22,448 22,448 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 -1.7% -26 -61.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-9 -45.0% -3 -11.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -20 -100.0% -26 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -11 -55.0% -23 -88.5% 0 N/A% 0 N/A%