Diff Report
Run #5251f592ab279: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5251f6e1e32d5: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #5251f592ab279Run #5251f6e1e32d5DiffDiff%
Number of Function Calls223 223 0 0.0%
Incl. Wall Time (microsec)1,980 1,942 -38 -1.9%
Incl. Wall Time (microsec) per call 9 9 -0 -1.9%
Excl. Wall Time (microsec)966 937 -29 -3.0%
Incl. CPU (microsecs)2,133 2,090 -43 -2.0%
Incl. CPU (microsecs) per call 10 9 -0 -2.0%
Excl. CPU (microsec)924 919 -5 -0.5%
Incl. MemUse (bytes)202,272 202,272 0 0.0%
Incl. MemUse (bytes) per call 907 907 0 0.0%
Excl. MemUse (bytes)189,600 189,600 0 0.0%
Incl. PeakMemUse (bytes)16,848 16,984 136 0.8%
Incl. PeakMemUse (bytes) per call 76 76 1 0.8%
Excl. PeakMemUse (bytes)14,928 15,064 136 0.9%

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% -38 -2.7% -43 -2.5% 0 0.0% 136 0.1%
Exclusive Metrics Diff for Current Function-29 -76.3% -5 -11.6% 0 N/A% 136 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -38 -100.0% -43 -100.0% 0 N/A% 136 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -9 -23.7% -38 -88.4% 0 N/A% 0 0.0%