Diff Report
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fbd1297c93: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #518fb7370421eRun #518fbd1297c93DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)1,264 1,281 17 1.3%
Incl. Wall Time (microsec) per call 9 9 0 1.3%
Excl. Wall Time (microsec)641 639 -2 -0.3%
Incl. CPU (microsecs)1,397 1,416 19 1.4%
Incl. CPU (microsecs) per call 10 10 0 1.4%
Excl. CPU (microsec)647 659 12 1.9%
Incl. MemUse (bytes)144,144 144,168 24 0.0%
Incl. MemUse (bytes) per call 987 987 0 0.0%
Excl. MemUse (bytes)135,168 135,192 24 0.0%
Incl. PeakMemUse (bytes)8,696 9,216 520 6.0%
Incl. PeakMemUse (bytes) per call 60 63 4 6.0%
Excl. PeakMemUse (bytes)6,880 7,400 520 7.6%

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% 17 0.5% 19 0.4% 24 0.0% 520 0.1%
Exclusive Metrics Diff for Current Function-2 -11.8% 12 63.2% 24 100.0% 520 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 17 100.0% 19 100.0% 24 100.0% 520 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 19 111.8% 7 36.8% 0 0.0% 0 0.0%