Diff Report
Run #52d3e93cb560e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e983be01d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52d3e93cb560eRun #52d3e983be01dDiffDiff%
Number of Function Calls108 105 -3 -2.8%
Incl. Wall Time (microsec)830 806 -24 -2.9%
Incl. Wall Time (microsec) per call 8 8 -0 -0.1%
Excl. Wall Time (microsec)382 378 -4 -1.0%
Incl. CPU (microsecs)896 875 -21 -2.3%
Incl. CPU (microsecs) per call 8 8 0 0.4%
Excl. CPU (microsec)368 376 8 2.2%
Incl. MemUse (bytes)102,592 99,880 -2,712 -2.6%
Incl. MemUse (bytes) per call 950 951 1 0.1%
Excl. MemUse (bytes)95,440 92,872 -2,568 -2.7%
Incl. PeakMemUse (bytes)13,472 13,456 -16 -0.1%
Incl. PeakMemUse (bytes) per call 125 128 3 2.7%
Excl. PeakMemUse (bytes)11,384 11,368 -16 -0.1%

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::prepare-3 -50.0% -24 -0.7% -21 -0.7% -2,712 -1.9% -16 -0.0%
Exclusive Metrics Diff for Current Function-4 -16.7% 8 38.1% -2,568 -94.7% -16 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-3 -100.0% -24 -100.0% -21 -100.0% -2,712 -100.0% -16 -100.0%
Child function
Drupal\Core\Database\Statement::__construct-3 -100.0% -20 -83.3% -29 -138.1% -144 -5.3% 0 0.0%