Diff Report
Run #52f30aadf2c65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52f30b8747627: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52f30aadf2c65Run #52f30b8747627DiffDiff%
Number of Function Calls164 164 0 0.0%
Incl. Wall Time (microsec)1,692 1,635 -57 -3.4%
Incl. Wall Time (microsec) per call 10 10 -0 -3.4%
Excl. Wall Time (microsec)825 828 3 0.4%
Incl. CPU (microsecs)1,835 1,771 -64 -3.5%
Incl. CPU (microsecs) per call 11 11 -0 -3.5%
Excl. CPU (microsec)829 816 -13 -1.6%
Incl. MemUse (bytes)154,016 154,016 0 0.0%
Incl. MemUse (bytes) per call 939 939 0 0.0%
Excl. MemUse (bytes)144,240 144,240 0 0.0%
Incl. PeakMemUse (bytes)12,712 13,072 360 2.8%
Incl. PeakMemUse (bytes) per call 78 80 2 2.8%
Excl. PeakMemUse (bytes)11,568 11,928 360 3.1%

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% -57 -1.4% -64 -1.6% 0 0.0% 360 0.5%
Exclusive Metrics Diff for Current Function3 5.3% -13 -20.3% 0 N/A% 360 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -57 -100.0% -64 -100.0% 0 N/A% 360 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -60 -105.3% -51 -79.7% 0 N/A% 0 0.0%