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

PDO::prepareRun #543bf339ee873Run #543bf51d41339DiffDiff%
Number of Function Calls129 129 0 0.0%
Incl. Wall Time (microsec)1,810 1,902 92 5.1%
Incl. Wall Time (microsec) per call 14 15 1 5.1%
Excl. Wall Time (microsec)930 992 62 6.7%
Incl. CPU (microsecs)1,917 1,965 48 2.5%
Incl. CPU (microsecs) per call 15 15 0 2.5%
Excl. CPU (microsec)936 968 32 3.4%
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)23,520 23,992 472 2.0%
Incl. PeakMemUse (bytes) per call 182 186 4 2.0%
Excl. PeakMemUse (bytes)16,640 16,976 336 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 Function62 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%