Diff Report
Run #531ccb2cb8e3d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ccbd4518b6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #531ccb2cb8e3dRun #531ccbd4518b6DiffDiff%
Number of Function Calls161 161 0 0.0%
Incl. Wall Time (microsec)1,194 1,191 -3 -0.3%
Incl. Wall Time (microsec) per call 7 7 -0 -0.3%
Excl. Wall Time (microsec)574 578 4 0.7%
Incl. CPU (microsecs)1,302 1,311 9 0.7%
Incl. CPU (microsecs) per call 8 8 0 0.7%
Excl. CPU (microsec)565 598 33 5.8%
Incl. MemUse (bytes)167,320 167,320 0 0.0%
Incl. MemUse (bytes) per call 1,039 1,039 0 0.0%
Excl. MemUse (bytes)157,624 157,624 0 0.0%
Incl. PeakMemUse (bytes)9,056 9,016 -40 -0.4%
Incl. PeakMemUse (bytes) per call 56 56 -0 -0.4%
Excl. PeakMemUse (bytes)7,248 7,208 -40 -0.6%

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% -3 -3.1% 9 3.4% 0 0.0% -40 -0.1%
Exclusive Metrics Diff for Current Function4 133.3% 33 366.7% 0 N/A% -40 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -3 -100.0% 9 100.0% 0 N/A% -40 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -7 -233.3% -24 -266.7% 0 N/A% 0 0.0%