Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::extend

Drupal\Core\Database\Query\Select::extendRun #534ad8dec7444Run #534ad9c94e95bDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)745 556 -189 -25.4%
Incl. Wall Time (microsec) per call 745 556 -189 -25.4%
Excl. Wall Time (microsec)38 32 -6 -15.8%
Incl. CPU (microsecs)747 560 -187 -25.0%
Incl. CPU (microsecs) per call 747 560 -187 -25.0%
Excl. CPU (microsec)28 24 -4 -14.3%
Incl. MemUse (bytes)44,640 44,640 0 0.0%
Incl. MemUse (bytes) per call 44,640 44,640 0 0.0%
Excl. MemUse (bytes)912 912 0 0.0%
Incl. PeakMemUse (bytes)44,268 44,268 0 0.0%
Incl. PeakMemUse (bytes) per call 44,268 44,268 0 0.0%
Excl. PeakMemUse (bytes)1,112 1,112 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::extend [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\Select::extend0 N/A% -189 -11.5% -187 -37.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -3.2% -4 -2.1% 0 N/A% 0 N/A%
Parent function
comment_get_thread0 N/A% -189 -100.0% -187 -100.0% 0 N/A% 0 N/A%
Child functions
class_exists0 N/A% -108 -57.1% -107 -57.2% 0 N/A% 0 N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass0 N/A% -60 -31.7% -61 -32.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\PagerSelectExtender::__construct0 N/A% -15 -7.9% -14 -7.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% 0 0.0% -1 -0.5% 0 N/A% 0 N/A%