Diff Report
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls251 98 -153 -61.0%
Incl. Wall Time (microsec)4,819 1,896 -2,923 -60.7%
Incl. Wall Time (microsec) per call 19 19 0 0.8%
Excl. Wall Time (microsec)1,135 480 -655 -57.7%
Incl. CPU (microsecs)5,050 1,977 -3,073 -60.9%
Incl. CPU (microsecs) per call 20 20 0 0.3%
Excl. CPU (microsec)985 383 -602 -61.1%
Incl. MemUse (bytes)317,736 98,696 -219,040 -68.9%
Incl. MemUse (bytes) per call 1,266 1,007 -259 -20.4%
Excl. MemUse (bytes)-73,952 -13,384 60,568 81.9%
Incl. PeakMemUse (bytes)36,864 34,128 -2,736 -7.4%
Incl. PeakMemUse (bytes) per call 147 348 201 137.1%
Excl. PeakMemUse (bytes)2,416 2,376 -40 -1.7%

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::prepareQuery-153 -33.3% -2,923 -1.1% -3,073 -3.1% -219,040 -90.1% -2,736 -0.8%
Exclusive Metrics Diff for Current Function-655 -22.4% -602 -19.6% 60,568 27.7% -40 -1.5%
Parent function
Drupal\Core\Database\Connection::query-153 -100.0% -2,923 -100.0% -3,073 -100.0% -219,040 -100.0% -2,736 -100.0%
Child functions
PDO::prepare-153 -50.0% -1,303 -44.6% -1,416 -46.1% -211,696 -96.6% -440 -16.1%
Drupal\Core\Database\Connection::prefixTables-153 -50.0% -965 -33.0% -1,055 -34.3% -67,912 -31.0% -2,256 -82.5%