Diff Report
Run #519c116ac5313: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c13f61d210: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519c116ac5313Run #519c13f61d210DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)4,653 4,684 31 0.7%
Incl. Wall Time (microsec) per call 34 35 0 0.7%
Excl. Wall Time (microsec)1,172 1,172 0 0.0%
Incl. CPU (microsecs)4,801 4,832 31 0.6%
Incl. CPU (microsecs) per call 36 36 0 0.6%
Excl. CPU (microsec)1,031 1,025 -6 -0.6%
Incl. MemUse (bytes)122,024 122,024 0 0.0%
Incl. MemUse (bytes) per call 904 904 0 0.0%
Excl. MemUse (bytes)-22,628 -22,628 0 0.0%
Incl. PeakMemUse (bytes)56,564 56,564 0 0.0%
Incl. PeakMemUse (bytes) per call 419 419 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% 31 3.4% 31 4.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -6 -19.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 31 100.0% 31 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 26 83.9% 24 77.4% 0 N/A% 0 N/A%
PDO::prepare0 N/A% 5 16.1% 13 41.9% 0 N/A% 0 N/A%