Diff Report
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b1f732b14: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52d4b18f32fb6Run #52d4b1f732b14DiffDiff%
Number of Function Calls124 123 -1 -0.8%
Incl. Wall Time (microsec)938 927 -11 -1.2%
Incl. Wall Time (microsec) per call 8 8 -0 -0.4%
Excl. Wall Time (microsec)433 430 -3 -0.7%
Incl. CPU (microsecs)1,027 1,015 -12 -1.2%
Incl. CPU (microsecs) per call 8 8 -0 -0.4%
Excl. CPU (microsec)436 444 8 1.8%
Incl. MemUse (bytes)128,512 127,608 -904 -0.7%
Incl. MemUse (bytes) per call 1,036 1,037 1 0.1%
Excl. MemUse (bytes)120,592 119,736 -856 -0.7%
Incl. PeakMemUse (bytes)14,320 14,200 -120 -0.8%
Incl. PeakMemUse (bytes) per call 115 115 -0 -0.0%
Excl. PeakMemUse (bytes)12,064 11,920 -144 -1.2%

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::prepare-1 -50.0% -11 -0.6% -12 -0.7% -904 -1.0% -120 -0.1%
Exclusive Metrics Diff for Current Function-3 -27.3% 8 66.7% -856 -94.7% -144 -120.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-1 -100.0% -11 -100.0% -12 -100.0% -904 -100.0% -120 -100.0%
Child function
Drupal\Core\Database\Statement::__construct-1 -100.0% -8 -72.7% -20 -166.7% -48 -5.3% 24 20.0%