Diff Report
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #517c76da9b0d3Run #517c75d3de7c7DiffDiff%
Number of Function Calls98 251 153 156.1%
Incl. Wall Time (microsec)861 2,164 1,303 151.3%
Incl. Wall Time (microsec) per call 9 9 -0 -1.9%
Excl. Wall Time (microsec)435 1,078 643 147.8%
Incl. CPU (microsecs)938 2,354 1,416 151.0%
Incl. CPU (microsecs) per call 10 9 -0 -2.0%
Excl. CPU (microsec)424 1,061 637 150.2%
Incl. MemUse (bytes)90,568 302,264 211,696 233.7%
Incl. MemUse (bytes) per call 924 1,204 280 30.3%
Excl. MemUse (bytes)83,896 288,248 204,352 243.6%
Incl. PeakMemUse (bytes)9,072 9,512 440 4.9%
Incl. PeakMemUse (bytes) per call 93 38 -55 -59.1%
Excl. PeakMemUse (bytes)7,256 7,752 496 6.8%

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::prepare153 50.0% 1,303 0.5% 1,416 1.4% 211,696 87.1% 440 0.1%
Exclusive Metrics Diff for Current Function643 49.3% 637 45.0% 204,352 96.5% 496 112.7%
Parent function
Drupal\Core\Database\Connection::prepareQuery153 100.0% 1,303 100.0% 1,416 100.0% 211,696 100.0% 440 100.0%
Child function
Drupal\Core\Database\Statement::__construct153 100.0% 660 50.7% 779 55.0% 7,344 3.5% -56 -12.7%