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

Drupal\Core\Database\Connection::prepareQueryRun #519e62c02d767Run #519e633ddef65DiffDiff%
Number of Function Calls187 187 0 0.0%
Incl. Wall Time (microsec)3,848 3,841 -7 -0.2%
Incl. Wall Time (microsec) per call 21 21 -0 -0.2%
Excl. Wall Time (microsec)934 930 -4 -0.4%
Incl. CPU (microsecs)4,005 4,000 -5 -0.1%
Incl. CPU (microsecs) per call 21 21 -0 -0.1%
Excl. CPU (microsec)787 790 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 Function-4 -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%