Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: 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 #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls1 -1 -100.0%
Incl. Wall Time (microsec)4,344 -4,344 -100.0%
Incl. Wall Time (microsec) per call 4,344 N/A -4,344 -100.0%
Excl. Wall Time (microsec)78 -78 -100.0%
Incl. CPU (microsecs)1,430 -1,430 -100.0%
Incl. CPU (microsecs) per call 1,430 N/A -1,430 -100.0%
Excl. CPU (microsec)64 -64 -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)178,184 -178,184 -100.0%
Incl. PeakMemUse (bytes) per call 178,184 N/A -178,184 -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% -4,344 -1.5% -1,430 -1.2% -23,184 -5.2% -178,184 -31.3%
Exclusive Metrics Diff for Current Function-78 -1.8% -64 -4.5% 8,304 35.8% -2,872 -1.6%
Parent function
_drupal_session_write-1 -100.0% -4,344 -100.0% -1,430 -100.0% -23,184 -100.0% -178,184 -100.0%
Child functions
Drupal\Core\Database\Driver\mysql\Insert::execute-1 -11.1% -3,338 -76.8% -758 -53.0% 80 0.3% -153,712 -86.3%
Drupal\Core\Database\Query\Select::execute-1 -11.1% -797 -18.3% -466 -32.6% -18,160 -78.3% -14,808 -8.3%
Drupal\Core\Database\Connection::select-1 -11.1% -48 -1.1% -49 -3.4% -3,720 -16.0% -2,264 -1.3%
Drupal\Core\Database\Connection::insert-1 -11.1% -37 -0.9% -39 -2.7% -1,584 -6.8% 0 0.0%
Drupal\Core\Database\Query\Insert::fields-1 -11.1% -19 -0.4% -20 -1.4% -3,096 -13.4% -1,424 -0.8%
count-1 -11.1% -9 -0.2% -12 -0.8% -792 -3.4% -480 -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\Statement::fetchField-1 -11.1% -7 -0.2% -9 -0.6% -872 -3.8% -512 -0.3%
Drupal\Core\Database\Query\Select::addExpression-1 -11.1% -3 -0.1% -4 -0.3% -1,800 -7.8% -1,096 -0.6%