Diff Report
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a7d2151b1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #54e0a6d45fe2aRun #54e0a7d2151b1DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)2,112 2,054 -58 -2.7%
Incl. Wall Time (microsec) per call 18 18 -1 -2.7%
Excl. Wall Time (microsec)533 534 1 0.2%
Incl. CPU (microsecs)2,213 2,149 -64 -2.9%
Incl. CPU (microsecs) per call 19 19 -1 -2.9%
Excl. CPU (microsec)442 435 -7 -1.6%
Incl. MemUse (bytes)119,296 119,288 -8 -0.0%
Incl. MemUse (bytes) per call 1,028 1,028 -0 -0.0%
Excl. MemUse (bytes)-17,440 -17,440 0 0.0%
Incl. PeakMemUse (bytes)36,544 36,528 -16 -0.0%
Incl. PeakMemUse (bytes) per call 315 315 -0 -0.0%
Excl. PeakMemUse (bytes)2,232 2,216 -16 -0.7%

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% -58 -7.8% -64 -17.6% -8 -0.1% -16 -0.2%
Exclusive Metrics Diff for Current Function1 1.7% -7 -10.9% 0 0.0% -16 -100.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -58 -100.0% -64 -100.0% -8 -100.0% -16 -100.0%
Child functions
PDO::prepare0 N/A% -39 -67.2% -36 -56.2% -8 -100.0% 0 0.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% -20 -34.5% -21 -32.8% 0 0.0% 0 0.0%