Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62cef49a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52f2e60305388Run #52f2e62cef49aDiffDiff%
Number of Function Calls158 158 0 0.0%
Incl. Wall Time (microsec)2,967 3,083 116 3.9%
Incl. Wall Time (microsec) per call 19 20 1 3.9%
Excl. Wall Time (microsec)771 765 -6 -0.8%
Incl. CPU (microsecs)3,101 3,213 112 3.6%
Incl. CPU (microsecs) per call 20 20 1 3.6%
Excl. CPU (microsec)661 656 -5 -0.8%
Incl. MemUse (bytes)158,632 158,592 -40 -0.0%
Incl. MemUse (bytes) per call 1,004 1,004 -0 -0.0%
Excl. MemUse (bytes)-23,560 -23,560 0 0.0%
Incl. PeakMemUse (bytes)48,192 48,192 0 0.0%
Incl. PeakMemUse (bytes) per call 305 305 0 0.0%
Excl. PeakMemUse (bytes)2,936 2,936 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% 116 5.1% 112 5.5% -40 -0.1% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -5.2% -5 -4.5% 0 0.0% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 116 100.0% 112 100.0% -40 -100.0% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 108 93.1% 109 97.3% 0 0.0% 0 N/A%
PDO::prepare0 N/A% 14 12.1% 8 7.1% -40 -100.0% 0 N/A%