Diff Report
Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d52998923d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #517d51ae434deRun #517d52998923dDiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)1,918 1,883 -35 -1.8%
Incl. Wall Time (microsec) per call 20 19 -0 -1.8%
Excl. Wall Time (microsec)469 467 -2 -0.4%
Incl. CPU (microsecs)2,010 1,961 -49 -2.4%
Incl. CPU (microsecs) per call 21 20 -1 -2.4%
Excl. CPU (microsec)399 370 -29 -7.3%
Incl. MemUse (bytes)98,696 98,696 0 0.0%
Incl. MemUse (bytes) per call 1,007 1,007 0 0.0%
Excl. MemUse (bytes)-13,384 -13,384 0 0.0%
Incl. PeakMemUse (bytes)33,984 34,248 264 0.8%
Incl. PeakMemUse (bytes) per call 347 349 3 0.8%
Excl. PeakMemUse (bytes)2,304 2,376 72 3.1%

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% -35 -1.0% -49 -1.9% 0 0.0% 264 4.0%
Exclusive Metrics Diff for Current Function-2 -5.7% -29 -59.2% 0 N/A% 72 27.3%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -35 -100.0% -49 -100.0% 0 N/A% 264 100.0%
Child functions
PDO::prepare0 N/A% -30 -85.7% -29 -59.2% 0 N/A% 192 72.7%
Drupal\Core\Database\Connection::prefixTables0 N/A% -3 -8.6% 9 18.4% 0 N/A% 0 0.0%