Diff Report
Run #52e49b28a90e1: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52e49b28a90e1Run #52e49acfb0eb8DiffDiff%
Number of Function Calls94 94 0 0.0%
Incl. Wall Time (microsec)1,790 1,752 -38 -2.1%
Incl. Wall Time (microsec) per call 19 19 -0 -2.1%
Excl. Wall Time (microsec)475 457 -18 -3.8%
Incl. CPU (microsecs)1,881 1,838 -43 -2.3%
Incl. CPU (microsecs) per call 20 20 -0 -2.3%
Excl. CPU (microsec)407 386 -21 -5.2%
Incl. MemUse (bytes)94,784 94,784 0 0.0%
Incl. MemUse (bytes) per call 1,008 1,008 0 0.0%
Excl. MemUse (bytes)-12,280 -12,280 0 0.0%
Incl. PeakMemUse (bytes)35,296 35,296 0 0.0%
Incl. PeakMemUse (bytes) per call 375 375 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% -38 -13.3% -43 -10.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-18 -47.4% -21 -48.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -38 -100.0% -43 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -11 -28.9% -15 -34.9% 0 N/A% 0 N/A%
PDO::prepare0 N/A% -9 -23.7% -7 -16.3% 0 N/A% 0 N/A%