Diff Report
Run #52f5c520502f0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c574bebaf: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52f5c520502f0Run #52f5c574bebafDiffDiff%
Number of Function Calls71 71 0 0.0%
Incl. Wall Time (microsec)582 567 -15 -2.6%
Incl. Wall Time (microsec) per call 8 8 -0 -2.6%
Excl. Wall Time (microsec)279 276 -3 -1.1%
Incl. CPU (microsecs)631 620 -11 -1.7%
Incl. CPU (microsecs) per call 9 9 -0 -1.7%
Excl. CPU (microsec)277 275 -2 -0.7%
Incl. MemUse (bytes)65,656 65,656 0 0.0%
Incl. MemUse (bytes) per call 925 925 0 0.0%
Excl. MemUse (bytes)60,280 60,280 0 0.0%
Incl. PeakMemUse (bytes)9,240 9,320 80 0.9%
Incl. PeakMemUse (bytes) per call 130 131 1 0.9%
Excl. PeakMemUse (bytes)7,544 7,624 80 1.1%

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% -15 -65.2% -11 -12.0% 0 0.0% 80 0.2%
Exclusive Metrics Diff for Current Function-3 -20.0% -2 -18.2% 0 N/A% 80 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -15 -100.0% -11 -100.0% 0 N/A% 80 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -12 -80.0% -9 -81.8% 0 N/A% 0 0.0%