Diff Report
Run #52f2e60305388: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52f2e62cef49a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Merge::execute

Drupal\Core\Database\Query\Merge::executeRun #52f2e60305388Run #52f2e62cef49aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)2,018 1,816 -202 -10.0%
Incl. Wall Time (microsec) per call 2,018 1,816 -202 -10.0%
Excl. Wall Time (microsec)50 43 -7 -14.0%
Incl. CPU (microsecs)1,289 1,080 -209 -16.2%
Incl. CPU (microsecs) per call 1,289 1,080 -209 -16.2%
Excl. CPU (microsec)33 29 -4 -12.1%
Incl. MemUse (bytes)240,232 240,232 0 0.0%
Incl. MemUse (bytes) per call 240,232 240,232 0 0.0%
Excl. MemUse (bytes)-8,032 -8,032 0 0.0%
Incl. PeakMemUse (bytes)202,928 202,928 0 0.0%
Incl. PeakMemUse (bytes) per call 202,928 202,928 0 0.0%
Excl. PeakMemUse (bytes)1,952 1,952 0 0.0%

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::execute0 N/A% -202 -8.8% -209 -10.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-7 -3.5% -4 -1.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -202 -100.0% -209 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::select0 N/A% -67 -33.2% -69 -33.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -63 -31.2% -67 -32.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -34 -16.8% -35 -16.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::insert0 N/A% -20 -9.9% -21 -10.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Insert::fields0 N/A% -5 -2.5% -7 -3.3% 0 N/A% 0 N/A%
count0 N/A% -2 -1.0% -3 -1.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% -2 -1.0% -3 -1.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% -1 -0.5% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% -1 -0.5% 0 0.0% 0 N/A% 0 N/A%