Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: 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 #51ec52a09990aDiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)3,529 3,544 15 0.4%
Incl. Wall Time (microsec) per call 21 21 0 0.4%
Excl. Wall Time (microsec)834 853 19 2.3%
Incl. CPU (microsecs)3,683 3,670 -13 -0.4%
Incl. CPU (microsecs) per call 22 22 -0 -0.4%
Excl. CPU (microsec)737 709 -28 -3.8%
Incl. MemUse (bytes)176,888 176,936 48 0.0%
Incl. MemUse (bytes) per call 1,041 1,041 0 0.0%
Excl. MemUse (bytes)-29,432 -29,464 -32 -0.1%
Incl. PeakMemUse (bytes)64,568 63,632 -936 -1.4%
Incl. PeakMemUse (bytes) per call 380 374 -6 -1.4%
Excl. PeakMemUse (bytes)2,488 2,272 -216 -8.7%

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% 15 0.4% -13 -0.3% 48 0.2% -936 -4.1%
Exclusive Metrics Diff for Current Function19 126.7% -28 -215.4% -32 -66.7% -216 -23.1%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 15 100.0% -13 -100.0% 48 100.0% -936 -100.0%
Child functions
PDO::prepare0 N/A% -4 -26.7% -2 -15.4% 48 100.0% -256 -27.4%
Drupal\Core\Database\Connection::prefixTables0 N/A% 0 0.0% 17 130.8% 32 66.7% -464 -49.6%