Diff Report
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b1d6bf728: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52d4b18f32fb6Run #52d4b1d6bf728DiffDiff%
Number of Function Calls124 124 0 0.0%
Incl. Wall Time (microsec)938 933 -5 -0.5%
Incl. Wall Time (microsec) per call 8 8 -0 -0.5%
Excl. Wall Time (microsec)433 432 -1 -0.2%
Incl. CPU (microsecs)1,027 1,023 -4 -0.4%
Incl. CPU (microsecs) per call 8 8 -0 -0.4%
Excl. CPU (microsec)436 440 4 0.9%
Incl. MemUse (bytes)128,512 128,512 0 0.0%
Incl. MemUse (bytes) per call 1,036 1,036 0 0.0%
Excl. MemUse (bytes)120,592 120,592 0 0.0%
Incl. PeakMemUse (bytes)14,320 14,320 0 0.0%
Incl. PeakMemUse (bytes) per call 115 115 0 0.0%
Excl. PeakMemUse (bytes)12,064 12,064 0 0.0%

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::prepare0 N/A% -5 -4.4% -4 -9.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-1 -20.0% 4 100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -5 -100.0% -4 -100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -4 -80.0% -8 -200.0% 0 N/A% 0 N/A%