Diff Report
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51fdbdbb58abcRun #51fdbca2b5409DiffDiff%
Number of Function Calls169 169 0 0.0%
Incl. Wall Time (microsec)3,388 3,434 46 1.4%
Incl. Wall Time (microsec) per call 20 20 0 1.4%
Excl. Wall Time (microsec)814 833 19 2.3%
Incl. CPU (microsecs)3,529 3,594 65 1.8%
Incl. CPU (microsecs) per call 21 21 0 1.8%
Excl. CPU (microsec)696 707 11 1.6%
Incl. MemUse (bytes)165,736 165,736 0 0.0%
Incl. MemUse (bytes) per call 981 981 0 0.0%
Excl. MemUse (bytes)-24,200 -24,200 0 0.0%
Incl. PeakMemUse (bytes)53,576 53,216 -360 -0.7%
Incl. PeakMemUse (bytes) per call 317 315 -2 -0.7%
Excl. PeakMemUse (bytes)2,744 2,672 -72 -2.6%

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% 46 4.9% 65 90.3% 0 0.0% -360 -1.2%
Exclusive Metrics Diff for Current Function19 41.3% 11 16.9% 0 N/A% -72 -20.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 46 100.0% 65 100.0% 0 N/A% -360 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 25 54.3% 47 72.3% 0 N/A% -168 -46.7%
PDO::prepare0 N/A% 2 4.3% 7 10.8% 0 N/A% -120 -33.3%