Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51ec623000e0cRun #51ec66a5a877dDiffDiff%
Number of Function Calls300 300 0 0.0%
Incl. Wall Time (microsec)6,153 6,222 69 1.1%
Incl. Wall Time (microsec) per call 21 21 0 1.1%
Excl. Wall Time (microsec)1,499 1,487 -12 -0.8%
Incl. CPU (microsecs)6,409 6,473 64 1.0%
Incl. CPU (microsecs) per call 21 22 0 1.0%
Excl. CPU (microsec)1,280 1,276 -4 -0.3%
Incl. MemUse (bytes)285,552 285,472 -80 -0.0%
Incl. MemUse (bytes) per call 952 952 -0 -0.0%
Excl. MemUse (bytes)-42,104 -42,112 -8 -0.0%
Incl. PeakMemUse (bytes)53,040 53,200 160 0.3%
Incl. PeakMemUse (bytes) per call 177 177 1 0.3%
Excl. PeakMemUse (bytes)2,704 2,704 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% 69 2.9% 64 1.9% -80 -0.1% 160 0.2%
Exclusive Metrics Diff for Current Function-12 -17.4% -4 -6.2% -8 -10.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 69 100.0% 64 100.0% -80 -100.0% 160 100.0%
Child functions
PDO::prepare0 N/A% 51 73.9% 60 93.8% -64 -80.0% 120 75.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% 30 43.5% 8 12.5% -8 -10.0% 40 25.0%