Diff Report
Run #531ee657ba49e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ee5f3237b0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #531ee657ba49eRun #531ee5f3237b0DiffDiff%
Number of Function Calls174 173 -1 -0.6%
Incl. Wall Time (microsec)2,847 2,908 61 2.1%
Incl. Wall Time (microsec) per call 16 17 0 2.7%
Excl. Wall Time (microsec)746 749 3 0.4%
Incl. CPU (microsecs)3,005 3,086 81 2.7%
Incl. CPU (microsecs) per call 17 18 1 3.3%
Excl. CPU (microsec)669 661 -8 -1.2%
Incl. MemUse (bytes)190,864 189,912 -952 -0.5%
Incl. MemUse (bytes) per call 1,097 1,098 1 0.1%
Excl. MemUse (bytes)-34,480 -34,328 152 0.4%
Incl. PeakMemUse (bytes)47,720 47,880 160 0.3%
Incl. PeakMemUse (bytes) per call 274 277 3 0.9%
Excl. PeakMemUse (bytes)1,736 1,736 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::prepareQuery-1 -33.3% 61 2.4% 81 2.7% -952 -1.2% 160 0.2%
Exclusive Metrics Diff for Current Function3 4.9% -8 -9.9% 152 16.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query-1 -100.0% 61 100.0% 81 100.0% -952 -100.0% 160 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables-1 -50.0% 80 131.1% 79 97.5% -200 -21.0% 64 40.0%
PDO::prepare-1 -50.0% -22 -36.1% 10 12.3% -904 -95.0% 96 60.0%