Diff Report
Run #523f1dee40c1a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f1f1f50546: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #523f1dee40c1aRun #523f1f1f50546DiffDiff%
Number of Function Calls243 243 0 0.0%
Incl. Wall Time (microsec)2,213 2,294 81 3.7%
Incl. Wall Time (microsec) per call 9 9 0 3.7%
Excl. Wall Time (microsec)1,065 1,101 36 3.4%
Incl. CPU (microsecs)2,435 2,478 43 1.8%
Incl. CPU (microsecs) per call 10 10 0 1.8%
Excl. CPU (microsec)1,089 1,081 -8 -0.7%
Incl. MemUse (bytes)228,696 228,728 32 0.0%
Incl. MemUse (bytes) per call 941 941 0 0.0%
Excl. MemUse (bytes)215,064 215,096 32 0.0%
Incl. PeakMemUse (bytes)13,664 13,760 96 0.7%
Incl. PeakMemUse (bytes) per call 56 57 0 0.7%
Excl. PeakMemUse (bytes)11,688 11,840 152 1.3%

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% 81 2.4% 43 1.4% 32 0.0% 96 0.1%
Exclusive Metrics Diff for Current Function36 44.4% -8 -18.6% 32 100.0% 152 158.3%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 81 100.0% 43 100.0% 32 100.0% 96 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 45 55.6% 51 118.6% 0 0.0% -56 -58.3%