Diff Report
Run #541de429e5ab1: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #541de55978b9a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #541de429e5ab1Run #541de55978b9aDiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)1,868 1,837 -31 -1.7%
Incl. Wall Time (microsec) per call 13 13 -0 -1.7%
Excl. Wall Time (microsec)802 784 -18 -2.2%
Incl. CPU (microsecs)1,985 1,956 -29 -1.5%
Incl. CPU (microsecs) per call 14 13 -0 -1.5%
Excl. CPU (microsec)806 774 -32 -4.0%
Incl. MemUse (bytes)140,416 140,416 0 0.0%
Incl. MemUse (bytes) per call 962 962 0 0.0%
Excl. MemUse (bytes)131,440 131,440 0 0.0%
Incl. PeakMemUse (bytes)12,192 12,192 0 0.0%
Incl. PeakMemUse (bytes) per call 84 84 0 0.0%
Excl. PeakMemUse (bytes)10,440 10,440 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% -31 -1.6% -29 -2.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-18 -58.1% -32 -110.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -31 -100.0% -29 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -13 -41.9% 3 10.3% 0 N/A% 0 N/A%