Diff Report
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a1fd8a982: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52e4a1c03557cRun #52e4a1fd8a982DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)1,624 1,615 -9 -0.6%
Incl. Wall Time (microsec) per call 18 18 -0 -0.6%
Excl. Wall Time (microsec)430 416 -14 -3.3%
Incl. CPU (microsecs)1,711 1,697 -14 -0.8%
Incl. CPU (microsecs) per call 19 19 -0 -0.8%
Excl. CPU (microsec)376 354 -22 -5.9%
Incl. MemUse (bytes)89,072 89,072 0 0.0%
Incl. MemUse (bytes) per call 1,012 1,012 0 0.0%
Excl. MemUse (bytes)-11,368 -11,368 0 0.0%
Incl. PeakMemUse (bytes)35,064 35,064 0 0.0%
Incl. PeakMemUse (bytes) per call 398 398 0 0.0%
Excl. PeakMemUse (bytes)2,720 2,720 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% -9 -2.2% -14 -3.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-14 -155.6% -22 -157.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -9 -100.0% -14 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 10 111.1% 8 57.1% 0 N/A% 0 N/A%
PDO::prepare0 N/A% -5 -55.6% 0 0.0% 0 N/A% 0 N/A%