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\Query\Merge::execute

Drupal\Core\Database\Query\Merge::executeRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls1 -1 -100.0%
Incl. Wall Time (microsec)4,668 -4,668 -100.0%
Incl. Wall Time (microsec) per call 4,668 N/A -4,668 -100.0%
Excl. Wall Time (microsec)82 -82 -100.0%
Incl. CPU (microsecs)1,494 -1,494 -100.0%
Incl. CPU (microsecs) per call 1,494 N/A -1,494 -100.0%
Excl. CPU (microsec)63 -63 -100.0%
Incl. MemUse (bytes)23,184 -23,184 -100.0%
Incl. MemUse (bytes) per call 23,184 N/A -23,184 -100.0%
Excl. MemUse (bytes)-8,304 8,304 100.0%
Incl. PeakMemUse (bytes)177,152 -177,152 -100.0%
Incl. PeakMemUse (bytes) per call 177,152 N/A -177,152 -100.0%
Excl. PeakMemUse (bytes)2,872 -2,872 -100.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Merge::execute [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\Query\Merge::execute-1 -10.0% -4,668 -1.8% -1,494 -1.5% -23,184 -9.5% -177,152 -50.2%
Exclusive Metrics Diff for Current Function-82 -1.8% -63 -4.2% 8,304 35.8% -2,872 -1.6%
Parent function
_drupal_session_write-1 -100.0% -4,668 -100.0% -1,494 -100.0% -23,184 -100.0% -177,152 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute-1 -11.1% -3,629 -77.7% -820 -54.9% 80 0.3% -152,912 -86.3%
Drupal\Core\Database\Query\Select::execute-1 -11.1% -815 -17.5% -454 -30.4% -18,160 -78.3% -14,576 -8.2%
Drupal\Core\Database\Connection::select-1 -11.1% -48 -1.0% -49 -3.3% -3,720 -16.0% -2,264 -1.3%
Drupal\Core\Database\Connection::insert-1 -11.1% -43 -0.9% -44 -2.9% -1,584 -6.8% 0 0.0%
Drupal\Core\Database\Query\Insert::fields-1 -11.1% -21 -0.4% -22 -1.5% -3,096 -13.4% -1,424 -0.8%
count-1 -11.1% -10 -0.2% -11 -0.7% -792 -3.4% -480 -0.3%
Drupal\Core\Database\Statement::fetchField-1 -11.1% -9 -0.2% -17 -1.1% -872 -3.8% -512 -0.3%
Drupal\Core\Database\Query\Select::condition-1 -11.1% -8 -0.2% -9 -0.6% -1,544 -6.7% -1,016 -0.6%
Drupal\Core\Database\Query\Select::addExpression-1 -11.1% -3 -0.1% -5 -0.3% -1,800 -7.8% -1,096 -0.6%