Diff Report
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #5391fc871e91dRun #5391fd5a43e70DiffDiff%
Number of Function Calls189 189 0 0.0%
Incl. Wall Time (microsec)5,277 5,287 10 0.2%
Incl. Wall Time (microsec) per call 28 28 0 0.2%
Excl. Wall Time (microsec)1,228 1,233 5 0.4%
Incl. CPU (microsecs)5,497 5,503 6 0.1%
Incl. CPU (microsecs) per call 29 29 0 0.1%
Excl. CPU (microsec)1,085 1,100 15 1.4%
Incl. MemUse (bytes)123,156 123,156 0 0.0%
Incl. MemUse (bytes) per call 652 652 0 0.0%
Excl. MemUse (bytes)-24,936 -24,936 0 0.0%
Incl. PeakMemUse (bytes)62,412 62,768 356 0.6%
Incl. PeakMemUse (bytes) per call 330 332 2 0.6%
Excl. PeakMemUse (bytes)848 784 -64 -7.5%

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% 10 0.6% 6 1.5% 0 0.0% 356 1.4%
Exclusive Metrics Diff for Current Function5 50.0% 15 250.0% 0 N/A% -64 -18.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 10 100.0% 6 100.0% 0 N/A% 356 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 24 240.0% 8 133.3% 0 N/A% 160 44.9%
PDO::prepare0 N/A% -19 -190.0% -17 -283.3% 0 N/A% 260 73.0%