Diff Report
Run #519e633ddef65: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519e633ddef65Run #519e62c02d767DiffDiff%
Number of Function Calls187 187 0 0.0%
Incl. Wall Time (microsec)3,841 3,848 7 0.2%
Incl. Wall Time (microsec) per call 21 21 0 0.2%
Excl. Wall Time (microsec)930 934 4 0.4%
Incl. CPU (microsecs)4,000 4,005 5 0.1%
Incl. CPU (microsecs) per call 21 21 0 0.1%
Excl. CPU (microsec)790 787 -3 -0.4%
Incl. MemUse (bytes)183,456 183,456 0 0.0%
Incl. MemUse (bytes) per call 981 981 0 0.0%
Excl. MemUse (bytes)-27,280 -27,280 0 0.0%
Incl. PeakMemUse (bytes)36,400 36,400 0 0.0%
Incl. PeakMemUse (bytes) per call 195 195 0 0.0%
Excl. PeakMemUse (bytes)936 936 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% 7 1.8% 5 0.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 57.1% -3 -60.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 7 100.0% 5 100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% 11 157.1% 23 460.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -8 -114.3% -15 -300.0% 0 N/A% 0 N/A%