Diff Report
Run #51ec6582d0962: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec6582d0962Run #51ec623000e0cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,643 5,430 -213 -3.8%
Incl. Wall Time (microsec) per call 5,643 5,430 -213 -3.8%
Excl. Wall Time (microsec)54 51 -3 -5.6%
Incl. CPU (microsecs)2,546 2,471 -75 -2.9%
Incl. CPU (microsecs) per call 2,546 2,471 -75 -2.9%
Excl. CPU (microsec)49 45 -4 -8.2%
Incl. MemUse (bytes)267,496 267,496 0 0.0%
Incl. MemUse (bytes) per call 267,496 267,496 0 0.0%
Excl. MemUse (bytes)-10,840 -10,840 0 0.0%
Incl. PeakMemUse (bytes)245,704 245,704 0 0.0%
Incl. PeakMemUse (bytes) per call 245,704 245,704 0 0.0%
Excl. PeakMemUse (bytes)568 568 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\CacheCollector::updateCache [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\Cache\CacheCollector::updateCache0 N/A% -213 -8.3% -75 -6.2% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -1.4% -4 -5.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% -213 -100.0% -75 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% -116 -54.5% -12 -16.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% -65 -30.5% -37 -49.3% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% -34 -16.0% -41 -54.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 5 2.3% 18 24.0% 0 N/A% 0 N/A%
array_merge0 N/A% 0 0.0% 1 1.3% 0 N/A% 0 N/A%