Diff Report
Run #52d4b590e6e18: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b60c154f6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52d4b590e6e18Run #52d4b60c154f6DiffDiff%
Number of Function Calls108 106 -2 -1.9%
Incl. Wall Time (microsec)811 778 -33 -4.1%
Incl. Wall Time (microsec) per call 8 7 -0 -2.3%
Excl. Wall Time (microsec)380 356 -24 -6.3%
Incl. CPU (microsecs)876 851 -25 -2.9%
Incl. CPU (microsecs) per call 8 8 -0 -1.0%
Excl. CPU (microsec)377 358 -19 -5.0%
Incl. MemUse (bytes)101,608 99,800 -1,808 -1.8%
Incl. MemUse (bytes) per call 941 942 1 0.1%
Excl. MemUse (bytes)94,456 92,744 -1,712 -1.8%
Incl. PeakMemUse (bytes)14,392 14,064 -328 -2.3%
Incl. PeakMemUse (bytes) per call 133 133 -1 -0.4%
Excl. PeakMemUse (bytes)12,248 11,920 -328 -2.7%

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::prepare-2 -50.0% -33 -1.2% -25 -1.1% -1,808 -1.5% -328 -0.3%
Exclusive Metrics Diff for Current Function-24 -72.7% -19 -76.0% -1,712 -94.7% -328 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery-2 -100.0% -33 -100.0% -25 -100.0% -1,808 -100.0% -328 -100.0%
Child function
Drupal\Core\Database\Statement::__construct-2 -100.0% -9 -27.3% -6 -24.0% -96 -5.3% 0 0.0%