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

Drupal\Core\Database\Connection::prepareQueryRun #52f2e62cef49aRun #52f2e60305388DiffDiff%
Number of Function Calls158 158 0 0.0%
Incl. Wall Time (microsec)3,083 2,967 -116 -3.8%
Incl. Wall Time (microsec) per call 20 19 -1 -3.8%
Excl. Wall Time (microsec)765 771 6 0.8%
Incl. CPU (microsecs)3,213 3,101 -112 -3.5%
Incl. CPU (microsecs) per call 20 20 -1 -3.5%
Excl. CPU (microsec)656 661 5 0.8%
Incl. MemUse (bytes)158,592 158,632 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 Function6 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%