Diff Report
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51ec227a9cea0Run #51ec243650361DiffDiff%
Number of Function Calls231 231 0 0.0%
Incl. Wall Time (microsec)2,168 2,258 90 4.2%
Incl. Wall Time (microsec) per call 9 10 0 4.2%
Excl. Wall Time (microsec)1,054 1,125 71 6.7%
Incl. CPU (microsecs)2,347 2,438 91 3.9%
Incl. CPU (microsecs) per call 10 11 0 3.9%
Excl. CPU (microsec)1,056 1,123 67 6.3%
Incl. MemUse (bytes)211,256 276,792 65,536 31.0%
Incl. MemUse (bytes) per call 915 1,198 284 31.0%
Excl. MemUse (bytes)198,200 263,736 65,536 33.1%
Incl. PeakMemUse (bytes)14,352 15,104 752 5.2%
Incl. PeakMemUse (bytes) per call 62 65 3 5.2%
Excl. PeakMemUse (bytes)12,368 13,120 752 6.1%

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% 90 1.0% 91 1.4% 65,536 218.6% 752 2.3%
Exclusive Metrics Diff for Current Function71 78.9% 67 73.6% 65,536 100.0% 752 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 90 100.0% 91 100.0% 65,536 100.0% 752 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 19 21.1% 24 26.4% 0 0.0% 0 0.0%