Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45a7cd8f5: 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 #519d44ffb3845Run #519d45a7cd8f5DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)3,519 4,682 1,163 33.0%
Incl. Wall Time (microsec) per call 3,519 4,682 1,163 33.0%
Excl. Wall Time (microsec)94 96 2 2.1%
Incl. CPU (microsecs)2,005 1,855 -150 -7.5%
Incl. CPU (microsecs) per call 2,005 1,855 -150 -7.5%
Excl. CPU (microsec)75 72 -3 -4.0%
Incl. MemUse (bytes)45,020 45,020 0 0.0%
Incl. MemUse (bytes) per call 45,020 45,020 0 0.0%
Excl. MemUse (bytes)-6,780 -6,780 0 0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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% 1,163 49.7% -150 -32.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 0.2% -3 -2.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 1,163 100.0% -150 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Query\Update::execute0 N/A% 1,162 99.9% -44 -29.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% 130 11.2% 28 18.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::update0 N/A% -125 -10.7% -125 -83.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchField0 N/A% 6 0.5% 6 4.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::select0 N/A% -5 -0.4% -5 -3.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::condition0 N/A% -4 -0.3% -5 -3.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::addExpression0 N/A% -1 -0.1% 1 0.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::condition0 N/A% -1 -0.1% 0 0.0% 0 N/A% 0 N/A%
count0 N/A% -1 -0.1% -1 -0.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Update::fields0 N/A% 0 0.0% -2 -1.3% 0 N/A% 0 N/A%