Diff Report
Run #5422297e7f32f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #542229efabc5e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #5422297e7f32fRun #542229efabc5eDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)1,451 1,448 -3 -0.2%
Incl. Wall Time (microsec) per call 13 12 -0 -0.2%
Excl. Wall Time (microsec)636 648 12 1.9%
Incl. CPU (microsecs)1,532 1,544 12 0.8%
Incl. CPU (microsecs) per call 13 13 0 0.8%
Excl. CPU (microsec)620 652 32 5.2%
Incl. MemUse (bytes)113,024 113,024 0 0.0%
Incl. MemUse (bytes) per call 974 974 0 0.0%
Excl. MemUse (bytes)105,488 105,488 0 0.0%
Incl. PeakMemUse (bytes)11,848 11,848 0 0.0%
Incl. PeakMemUse (bytes) per call 102 102 0 0.0%
Excl. PeakMemUse (bytes)10,096 10,096 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% -3 -0.6% 12 3.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function12 400.0% 32 266.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -3 -100.0% 12 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -15 -500.0% -20 -166.7% 0 N/A% 0 N/A%