Diff Report
Run #519eadc55e057: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ead70538d1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519eadc55e057Run #519ead70538d1DiffDiff%
Number of Function Calls188 188 0 0.0%
Incl. Wall Time (microsec)6,159 6,219 60 1.0%
Incl. Wall Time (microsec) per call 33 33 0 1.0%
Excl. Wall Time (microsec)1,541 1,573 32 2.1%
Incl. CPU (microsecs)6,367 6,420 53 0.8%
Incl. CPU (microsecs) per call 34 34 0 0.8%
Excl. CPU (microsec)1,374 1,381 7 0.5%
Incl. MemUse (bytes)155,960 155,960 0 0.0%
Incl. MemUse (bytes) per call 830 830 0 0.0%
Excl. MemUse (bytes)-25,512 -25,512 0 0.0%
Incl. PeakMemUse (bytes)40,540 40,540 0 0.0%
Incl. PeakMemUse (bytes) per call 216 216 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% 60 4.6% 53 22.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function32 53.3% 7 13.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 60 100.0% 53 100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% 15 25.0% 25 47.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% 13 21.7% 21 39.6% 0 N/A% 0 N/A%