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

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec623000e0cRun #51ec6582d0962DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,430 5,643 213 3.9%
Incl. Wall Time (microsec) per call 5,430 5,643 213 3.9%
Excl. Wall Time (microsec)51 54 3 5.9%
Incl. CPU (microsecs)2,471 2,546 75 3.0%
Incl. CPU (microsecs) per call 2,471 2,546 75 3.0%
Excl. CPU (microsec)45 49 4 8.9%
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 Function3 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%