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

Drupal\Core\Database\Connection::prepareQueryRun #51ba946b609edRun #51ba929760d1bDiffDiff%
Number of Function Calls69 69 0 0.0%
Incl. Wall Time (microsec)1,500 1,460 -40 -2.7%
Incl. Wall Time (microsec) per call 22 21 -1 -2.7%
Excl. Wall Time (microsec)365 372 7 1.9%
Incl. CPU (microsecs)1,562 1,522 -40 -2.6%
Incl. CPU (microsecs) per call 23 22 -1 -2.6%
Excl. CPU (microsec)308 309 1 0.3%
Incl. MemUse (bytes)75,784 75,520 -264 -0.3%
Incl. MemUse (bytes) per call 1,098 1,094 -4 -0.3%
Excl. MemUse (bytes)-11,056 -11,008 48 0.4%
Incl. PeakMemUse (bytes)12,048 18,920 6,872 57.0%
Incl. PeakMemUse (bytes) per call 175 274 100 57.0%
Excl. PeakMemUse (bytes)144 288 144 100.0%

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 Function7 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%