Diff Report
Run #52c96b69a1c07: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c96ba78d568: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52c96b69a1c07Run #52c96ba78d568DiffDiff%
Number of Function Calls74 74 0 0.0%
Incl. Wall Time (microsec)555 551 -4 -0.7%
Incl. Wall Time (microsec) per call 8 7 -0 -0.7%
Excl. Wall Time (microsec)259 259 0 0.0%
Incl. CPU (microsecs)607 601 -6 -1.0%
Incl. CPU (microsecs) per call 8 8 -0 -1.0%
Excl. CPU (microsec)268 266 -2 -0.7%
Incl. MemUse (bytes)68,720 68,720 0 0.0%
Incl. MemUse (bytes) per call 929 929 0 0.0%
Excl. MemUse (bytes)63,200 63,200 0 0.0%
Incl. PeakMemUse (bytes)11,560 11,560 0 0.0%
Incl. PeakMemUse (bytes) per call 156 156 0 0.0%
Excl. PeakMemUse (bytes)9,464 9,464 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% -4 -5.4% -6 -600.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -2 -33.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -4 -100.0% -6 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -4 -100.0% -4 -66.7% 0 N/A% 0 N/A%