Diff Report
Run #543bf51d41339: XHProf Run (Namespace=drupal-perf-dawehner)
vs.
Run #543bf339ee873: XHProf Run (Namespace=drupal-perf-dawehner)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #543bf51d41339Run #543bf339ee873DiffDiff%
Number of Function Calls129 129 0 0.0%
Incl. Wall Time (microsec)1,902 1,810 -92 -4.8%
Incl. Wall Time (microsec) per call 15 14 -1 -4.8%
Excl. Wall Time (microsec)992 930 -62 -6.2%
Incl. CPU (microsecs)1,965 1,917 -48 -2.4%
Incl. CPU (microsecs) per call 15 15 -0 -2.4%
Excl. CPU (microsec)968 936 -32 -3.3%
Incl. MemUse (bytes)128,784 128,784 0 0.0%
Incl. MemUse (bytes) per call 998 998 0 0.0%
Excl. MemUse (bytes)120,688 120,688 0 0.0%
Incl. PeakMemUse (bytes)23,992 23,520 -472 -2.0%
Incl. PeakMemUse (bytes) per call 186 182 -4 -2.0%
Excl. PeakMemUse (bytes)16,976 16,640 -336 -2.0%

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% -92 -1.2% -48 -0.4% 0 0.0% -472 -0.0%
Exclusive Metrics Diff for Current Function-62 -67.4% -32 -66.7% 0 N/A% -336 -71.2%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -92 -100.0% -48 -100.0% 0 N/A% -472 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -30 -32.6% -16 -33.3% 0 N/A% -136 -28.8%