Diff Report
Run #519c03b86b1ec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c04ab45451: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519c03b86b1ecRun #519c04ab45451DiffDiff%
Number of Function Calls171 172 1 0.6%
Incl. Wall Time (microsec)5,884 5,906 22 0.4%
Incl. Wall Time (microsec) per call 34 34 -0 -0.2%
Excl. Wall Time (microsec)1,501 1,510 9 0.6%
Incl. CPU (microsecs)6,046 6,086 40 0.7%
Incl. CPU (microsecs) per call 35 35 0 0.1%
Excl. CPU (microsec)1,313 1,351 38 2.9%
Incl. MemUse (bytes)142,688 143,500 812 0.6%
Incl. MemUse (bytes) per call 834 834 -0 -0.0%
Excl. MemUse (bytes)-23,392 -23,532 -140 -0.6%
Incl. PeakMemUse (bytes)41,208 41,072 -136 -0.3%
Incl. PeakMemUse (bytes) per call 241 239 -2 -0.9%
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% 22 3.5% 40 2.6% 812 6.4% -136 -0.8%
Exclusive Metrics Diff for Current Function9 40.9% 38 95.0% -140 -17.2% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query1 100.0% 22 100.0% 40 100.0% 812 100.0% -136 -100.0%
Child functions
PDO::prepare1 50.0% 40 181.8% 35 87.5% 784 96.6% -84 -61.8%
Drupal\Core\Database\Connection::prefixTables1 50.0% -27 -122.7% -33 -82.5% 168 20.7% -52 -38.2%