Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51ec517fc2424Run #51ec51f5849d9DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)3,529 3,521 -8 -0.2%
Incl. Wall Time (microsec) per call 21 21 -0 -0.2%
Excl. Wall Time (microsec)834 844 10 1.2%
Incl. CPU (microsecs)3,683 3,662 -21 -0.6%
Incl. CPU (microsecs) per call 22 22 -0 -0.6%
Excl. CPU (microsec)737 709 -28 -3.8%
Incl. MemUse (bytes)176,888 176,888 0 0.0%
Incl. MemUse (bytes) per call 1,041 1,041 0 0.0%
Excl. MemUse (bytes)-29,432 -29,432 0 0.0%
Incl. PeakMemUse (bytes)64,568 64,568 0 0.0%
Incl. PeakMemUse (bytes) per call 380 380 0 0.0%
Excl. PeakMemUse (bytes)2,488 2,488 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% -8 -0.3% -21 -0.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function10 125.0% -28 -133.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -8 -100.0% -21 -100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% -11 -137.5% 8 38.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -7 -87.5% -1 -4.8% 0 N/A% 0 N/A%