Diff Report
Run #52e417f8e04a5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52e418f395327: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52e417f8e04a5Run #52e418f395327DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)1,267 1,273 6 0.5%
Incl. Wall Time (microsec) per call 7 7 0 0.5%
Excl. Wall Time (microsec)588 594 6 1.0%
Incl. CPU (microsecs)1,388 1,385 -3 -0.2%
Incl. CPU (microsecs) per call 8 8 -0 -0.2%
Excl. CPU (microsec)612 612 0 0.0%
Incl. MemUse (bytes)165,208 165,208 0 0.0%
Incl. MemUse (bytes) per call 972 972 0 0.0%
Excl. MemUse (bytes)155,080 155,080 0 0.0%
Incl. PeakMemUse (bytes)15,984 16,184 200 1.3%
Incl. PeakMemUse (bytes) per call 94 95 1 1.3%
Excl. PeakMemUse (bytes)13,656 13,856 200 1.5%

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% 6 18.8% -3 -1.6% 0 0.0% 200 0.6%
Exclusive Metrics Diff for Current Function6 100.0% 0 0.0% 0 N/A% 200 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 6 100.0% -3 -100.0% 0 N/A% 200 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 0 0.0% -3 -100.0% 0 N/A% 0 0.0%