Diff Report
Run #519b1557bbc04: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b1ad213669: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519b1557bbc04Run #519b1ad213669DiffDiff%
Number of Function Calls142 147 5 3.5%
Incl. Wall Time (microsec)2,546 2,626 80 3.1%
Incl. Wall Time (microsec) per call 18 18 -0 -0.4%
Excl. Wall Time (microsec)1,181 1,230 49 4.1%
Incl. CPU (microsecs)2,684 2,769 85 3.2%
Incl. CPU (microsecs) per call 19 19 -0 -0.3%
Excl. CPU (microsec)1,179 1,234 55 4.7%
Incl. MemUse (bytes)186,360 193,760 7,400 4.0%
Incl. MemUse (bytes) per call 1,312 1,318 6 0.4%
Excl. MemUse (bytes)184,464 191,864 7,400 4.0%
Incl. PeakMemUse (bytes)15,504 16,056 552 3.6%
Incl. PeakMemUse (bytes) per call 109 109 0 0.0%
Excl. PeakMemUse (bytes)13,784 14,336 552 4.0%

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::prepare5 50.0% 80 0.7% 85 0.6% 7,400 2.9% 552 0.2%
Exclusive Metrics Diff for Current Function49 61.3% 55 64.7% 7,400 100.0% 552 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery5 100.0% 80 100.0% 85 100.0% 7,400 100.0% 552 100.0%
Child function
Drupal\Core\Database\Statement::__construct5 100.0% 31 38.8% 30 35.3% 0 0.0% 0 0.0%