Diff Report
Run #51990c6b6ce43: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51990ceb6ce00: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51990c6b6ce43Run #51990ceb6ce00DiffDiff%
Number of Function Calls105 105 0 0.0%
Incl. Wall Time (microsec)1,040 1,095 55 5.3%
Incl. Wall Time (microsec) per call 10 10 1 5.3%
Excl. Wall Time (microsec)489 515 26 5.3%
Incl. CPU (microsecs)1,139 1,191 52 4.6%
Incl. CPU (microsecs) per call 11 11 0 4.6%
Excl. CPU (microsec)521 545 24 4.6%
Incl. MemUse (bytes)101,176 101,184 8 0.0%
Incl. MemUse (bytes) per call 964 964 0 0.0%
Excl. MemUse (bytes)94,168 94,176 8 0.0%
Incl. PeakMemUse (bytes)5,152 5,448 296 5.7%
Incl. PeakMemUse (bytes) per call 49 52 3 5.7%
Excl. PeakMemUse (bytes)5,152 5,448 296 5.7%

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::prepare0 N/A% 55 12.2% 52 4.2% 8 0.0% 296 1.0%
Exclusive Metrics Diff for Current Function26 47.3% 24 46.2% 8 100.0% 296 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 55 100.0% 52 100.0% 8 100.0% 296 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 29 52.7% 28 53.8% 0 0.0% 0 0.0%