Diff Report
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51978cc86c728Run #51978d4d92dd9DiffDiff%
Number of Function Calls133 134 1 0.8%
Incl. Wall Time (microsec)1,185 1,182 -3 -0.3%
Incl. Wall Time (microsec) per call 9 9 -0 -1.0%
Excl. Wall Time (microsec)578 588 10 1.7%
Incl. CPU (microsecs)1,318 1,301 -17 -1.3%
Incl. CPU (microsecs) per call 10 10 -0 -2.0%
Excl. CPU (microsec)607 593 -14 -2.3%
Incl. MemUse (bytes)128,056 128,952 896 0.7%
Incl. MemUse (bytes) per call 963 962 -0 -0.1%
Excl. MemUse (bytes)119,704 120,552 848 0.7%
Incl. PeakMemUse (bytes)3,688 3,824 136 3.7%
Incl. PeakMemUse (bytes) per call 28 29 1 2.9%
Excl. PeakMemUse (bytes)3,632 3,768 136 3.7%

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::prepare1 50.0% -3 -1.2% -17 -14.0% 896 4.1% 136 0.6%
Exclusive Metrics Diff for Current Function10 333.3% -14 -82.4% 848 94.6% 136 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery1 100.0% -3 -100.0% -17 -100.0% 896 100.0% 136 100.0%
Child function
Drupal\Core\Database\Statement::__construct1 100.0% -13 -433.3% -3 -17.6% 48 5.4% 0 0.0%