Diff Report
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #5392041970f3fRun #539201f8938f4DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)4,760 4,809 49 1.0%
Incl. Wall Time (microsec) per call 28 28 0 1.0%
Excl. Wall Time (microsec)1,109 1,113 4 0.4%
Incl. CPU (microsecs)4,948 4,982 34 0.7%
Incl. CPU (microsecs) per call 29 29 0 0.7%
Excl. CPU (microsec)974 989 15 1.5%
Incl. MemUse (bytes)112,496 112,492 -4 -0.0%
Incl. MemUse (bytes) per call 662 662 -0 -0.0%
Excl. MemUse (bytes)-23,060 -23,056 4 0.0%
Incl. PeakMemUse (bytes)63,124 63,052 -72 -0.1%
Incl. PeakMemUse (bytes) per call 371 371 -0 -0.1%
Excl. PeakMemUse (bytes)976 976 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% 49 3.3% 34 1.3% -4 -0.0% -72 -0.1%
Exclusive Metrics Diff for Current Function4 8.2% 15 44.1% 4 100.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 49 100.0% 34 100.0% -4 -100.0% -72 -100.0%
Child functions
PDO::prepare0 N/A% 47 95.9% 24 70.6% -4 -100.0% -84 -116.7%
Drupal\Core\Database\Connection::prefixTables0 N/A% -2 -4.1% -5 -14.7% -4 -100.0% 12 16.7%