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

Drupal\Core\Database\Connection::prepareQueryRun #51fdbca2b5409Run #51fdbdbb58abcDiffDiff%
Number of Function Calls169 169 0 0.0%
Incl. Wall Time (microsec)3,434 3,388 -46 -1.3%
Incl. Wall Time (microsec) per call 20 20 -0 -1.3%
Excl. Wall Time (microsec)833 814 -19 -2.3%
Incl. CPU (microsecs)3,594 3,529 -65 -1.8%
Incl. CPU (microsecs) per call 21 21 -0 -1.8%
Excl. CPU (microsec)707 696 -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)53,216 53,576 360 0.7%
Incl. PeakMemUse (bytes) per call 315 317 2 0.7%
Excl. PeakMemUse (bytes)2,672 2,744 72 2.7%

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 Function-19 -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%