Diff Report
Run #519fc26fe04d9: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbf2154a5e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519fc26fe04d9Run #519fbf2154a5eDiffDiff%
Number of Function Calls23 23 0 0.0%
Incl. Wall Time (microsec)413 425 12 2.9%
Incl. Wall Time (microsec) per call 18 18 1 2.9%
Excl. Wall Time (microsec)107 112 5 4.7%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 174 0 -174 -100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)18,300 18,300 0 0.0%
Incl. MemUse (bytes) per call 796 796 0 0.0%
Excl. MemUse (bytes)-2,472 -2,472 0 0.0%
Incl. PeakMemUse (bytes)9,212 9,212 0 0.0%
Incl. PeakMemUse (bytes) per call 401 401 0 0.0%
Excl. PeakMemUse (bytes)616 616 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% 12 7.8% -4,000 -400000.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 41.7% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 12 100.0% -4,000 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 8 66.7% -4,000 -100.0% 0 N/A% 0 N/A%
PDO::prepare0 N/A% -1 -8.3% 0 0.0% 0 N/A% 0 N/A%