Diff Report
Run #51ba929760d1b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51ba946b609ed: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51ba929760d1bRun #51ba946b609edDiffDiff%
Number of Function Calls69 69 0 0.0%
Incl. Wall Time (microsec)1,460 1,500 40 2.7%
Incl. Wall Time (microsec) per call 21 22 1 2.7%
Excl. Wall Time (microsec)372 365 -7 -1.9%
Incl. CPU (microsecs)1,522 1,562 40 2.6%
Incl. CPU (microsecs) per call 22 23 1 2.6%
Excl. CPU (microsec)309 308 -1 -0.3%
Incl. MemUse (bytes)75,520 75,784 264 0.3%
Incl. MemUse (bytes) per call 1,094 1,098 4 0.3%
Excl. MemUse (bytes)-11,008 -11,056 -48 -0.4%
Incl. PeakMemUse (bytes)18,920 12,048 -6,872 -36.3%
Incl. PeakMemUse (bytes) per call 274 175 -100 -36.3%
Excl. PeakMemUse (bytes)288 144 -144 -50.0%

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% 40 0.0% 40 0.0% 264 0.0% -6,872 -0.0%
Exclusive Metrics Diff for Current Function-7 -17.5% -1 -2.5% -48 -18.2% -144 -2.1%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 40 100.0% 40 100.0% 264 100.0% -6,872 -100.0%
Child functions
PDO::prepare0 N/A% 29 72.5% 26 65.0% 208 78.8% -832 -12.1%
Drupal\Core\Database\Connection::prefixTables0 N/A% 18 45.0% 15 37.5% 104 39.4% -5,896 -85.8%