Diff Report
Run #518080a5ca60d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518081a41c05e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #518080a5ca60dRun #518081a41c05eDiffDiff%
Number of Function Calls100 100 0 0.0%
Incl. Wall Time (microsec)1,957 2,001 44 2.2%
Incl. Wall Time (microsec) per call 20 20 0 2.2%
Excl. Wall Time (microsec)494 496 2 0.4%
Incl. CPU (microsecs)2,033 2,080 47 2.3%
Incl. CPU (microsecs) per call 20 21 0 2.3%
Excl. CPU (microsec)395 407 12 3.0%
Incl. MemUse (bytes)101,192 101,176 -16 -0.0%
Incl. MemUse (bytes) per call 1,012 1,012 -0 -0.0%
Excl. MemUse (bytes)-14,000 -14,000 0 0.0%
Incl. PeakMemUse (bytes)36,696 36,832 136 0.4%
Incl. PeakMemUse (bytes) per call 367 368 1 0.4%
Excl. PeakMemUse (bytes)2,400 2,400 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% 44 3.6% 47 3.6% -16 -0.4% 136 3.1%
Exclusive Metrics Diff for Current Function2 4.5% 12 25.5% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 44 100.0% 47 100.0% -16 -100.0% 136 100.0%
Child functions
PDO::prepare0 N/A% 23 52.3% 24 51.1% -16 -100.0% 136 100.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% 19 43.2% 11 23.4% 0 0.0% 0 0.0%