Diff Report
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e43719571bf: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52e436ce9c71dRun #52e43719571bfDiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)2,228 2,253 25 1.1%
Incl. Wall Time (microsec) per call 18 19 0 1.1%
Excl. Wall Time (microsec)586 601 15 2.6%
Incl. CPU (microsecs)2,337 2,365 28 1.2%
Incl. CPU (microsecs) per call 19 20 0 1.2%
Excl. CPU (microsec)496 496 0 0.0%
Incl. MemUse (bytes)121,352 121,352 0 0.0%
Incl. MemUse (bytes) per call 1,003 1,003 0 0.0%
Excl. MemUse (bytes)-16,976 -16,976 0 0.0%
Incl. PeakMemUse (bytes)50,832 50,832 0 0.0%
Incl. PeakMemUse (bytes) per call 420 420 0 0.0%
Excl. PeakMemUse (bytes)2,976 2,976 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% 25 2.2% 28 3.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function15 60.0% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 25 100.0% 28 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 7 28.0% 12 42.9% 0 N/A% 0 N/A%
PDO::prepare0 N/A% 3 12.0% 16 57.1% 0 N/A% 0 N/A%