Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)5,735 5,782 47 0.8%
Incl. Wall Time (microsec) per call 34 34 0 0.8%
Excl. Wall Time (microsec)1,375 1,384 9 0.7%
Incl. CPU (microsecs)5,922 5,969 47 0.8%
Incl. CPU (microsecs) per call 35 35 0 0.8%
Excl. CPU (microsec)1,236 1,251 15 1.2%
Incl. MemUse (bytes)146,576 146,588 12 0.0%
Incl. MemUse (bytes) per call 862 862 0 0.0%
Excl. MemUse (bytes)-25,612 -25,612 0 0.0%
Incl. PeakMemUse (bytes)47,292 47,292 0 0.0%
Incl. PeakMemUse (bytes) per call 278 278 0 0.0%
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::prepareQuery0 N/A% 47 0.1% 47 0.1% 12 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function9 19.1% 15 31.9% 0 0.0% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 47 100.0% 47 100.0% 12 100.0% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 21 44.7% 3 6.4% 0 0.0% 0 N/A%
PDO::prepare0 N/A% 17 36.2% 29 61.7% 12 100.0% 0 N/A%