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

Drupal\Core\Database\Connection::prepareQueryRun #51ec51f5849d9Run #51ec517fc2424DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)3,521 3,529 8 0.2%
Incl. Wall Time (microsec) per call 21 21 0 0.2%
Excl. Wall Time (microsec)844 834 -10 -1.2%
Incl. CPU (microsecs)3,662 3,683 21 0.6%
Incl. CPU (microsecs) per call 22 22 0 0.6%
Excl. CPU (microsec)709 737 28 3.9%
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 Function-10 -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%