Diff Report
Run #518eee9367b5d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518ef09a47b3b: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #518eee9367b5dRun #518ef09a47b3bDiffDiff%
Number of Function Calls112 112 0 0.0%
Incl. Wall Time (microsec)987 982 -5 -0.5%
Incl. Wall Time (microsec) per call 9 9 -0 -0.5%
Excl. Wall Time (microsec)506 502 -4 -0.8%
Incl. CPU (microsecs)1,073 1,056 -17 -1.6%
Incl. CPU (microsecs) per call 10 9 -0 -1.6%
Excl. CPU (microsec)485 476 -9 -1.9%
Incl. MemUse (bytes)106,696 106,696 0 0.0%
Incl. MemUse (bytes) per call 953 953 0 0.0%
Excl. MemUse (bytes)99,352 99,352 0 0.0%
Incl. PeakMemUse (bytes)8,648 9,024 376 4.3%
Incl. PeakMemUse (bytes) per call 77 81 3 4.3%
Excl. PeakMemUse (bytes)6,664 7,040 376 5.6%

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% -5 -2.7% -17 -3.3% 0 0.0% 376 1.1%
Exclusive Metrics Diff for Current Function-4 -80.0% -9 -52.9% 0 N/A% 376 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -5 -100.0% -17 -100.0% 0 N/A% 376 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -1 -20.0% -8 -47.1% 0 N/A% 0 0.0%