Diff Report
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #53923d861ff11Run #53923e49d2b58DiffDiff%
Number of Function Calls258 258 0 0.0%
Incl. Wall Time (microsec)7,375 7,361 -14 -0.2%
Incl. Wall Time (microsec) per call 29 29 -0 -0.2%
Excl. Wall Time (microsec)1,692 1,697 5 0.3%
Incl. CPU (microsecs)7,623 7,631 8 0.1%
Incl. CPU (microsecs) per call 30 30 0 0.1%
Excl. CPU (microsec)1,454 1,498 44 3.0%
Incl. MemUse (bytes)215,688 182,936 -32,752 -15.2%
Incl. MemUse (bytes) per call 836 709 -127 -15.2%
Excl. MemUse (bytes)-42,420 -42,420 0 0.0%
Incl. PeakMemUse (bytes)154,300 87,652 -66,648 -43.2%
Incl. PeakMemUse (bytes) per call 598 340 -258 -43.2%
Excl. PeakMemUse (bytes)784 784 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% -14 -0.9% 8 0.7% -32,752 -3756.0% -66,648 -9575.9%
Exclusive Metrics Diff for Current Function5 35.7% 44 550.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -14 -100.0% 8 100.0% -32,752 -100.0% -66,648 -100.0%
Child functions
PDO::prepare0 N/A% -26 -185.7% -21 -262.5% -32,752 -100.0% -66,060 -99.1%
Drupal\Core\Database\Connection::prefixTables0 N/A% 7 50.0% -15 -187.5% 0 0.0% -588 -0.9%