Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519be9a13e594Run #519bea9000214DiffDiff%
Number of Function Calls149 150 1 0.7%
Incl. Wall Time (microsec)4,965 4,952 -13 -0.3%
Incl. Wall Time (microsec) per call 33 33 -0 -0.9%
Excl. Wall Time (microsec)1,258 1,278 20 1.6%
Incl. CPU (microsecs)5,120 5,111 -9 -0.2%
Incl. CPU (microsecs) per call 34 34 -0 -0.8%
Excl. CPU (microsec)1,125 1,125 0 0.0%
Incl. MemUse (bytes)125,400 126,212 812 0.6%
Incl. MemUse (bytes) per call 842 841 -0 -0.0%
Excl. MemUse (bytes)-20,592 -20,732 -140 -0.7%
Incl. PeakMemUse (bytes)40,796 40,924 128 0.3%
Incl. PeakMemUse (bytes) per call 274 273 -1 -0.4%
Excl. PeakMemUse (bytes)668 668 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::prepareQuery [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
Drupal\Core\Database\Connection::prepareQuery1 33.3% -13 -0.3% -9 -0.4% 812 3.2% 128 0.5%
Exclusive Metrics Diff for Current Function20 153.8% 0 0.0% -140 -17.2% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query1 100.0% -13 -100.0% -9 -100.0% 812 100.0% 128 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables1 50.0% -19 -146.2% -3 -33.3% 168 20.7% 12 9.4%
PDO::prepare1 50.0% -14 -107.7% -6 -66.7% 784 96.6% 116 90.6%