Diff Report
Run #51ec489b18752: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec489b18752Run #51ec485525502DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)3,755 5,515 1,760 46.9%
Incl. Wall Time (microsec) per call 3,755 5,515 1,760 46.9%
Excl. Wall Time (microsec)44 50 6 13.6%
Incl. CPU (microsecs)2,252 2,467 215 9.5%
Incl. CPU (microsecs) per call 2,252 2,467 215 9.5%
Excl. CPU (microsec)38 42 4 10.5%
Incl. MemUse (bytes)267,632 267,632 0 0.0%
Incl. MemUse (bytes) per call 267,632 267,632 0 0.0%
Excl. MemUse (bytes)-10,816 -10,816 0 0.0%
Incl. PeakMemUse (bytes)212,000 212,000 0 0.0%
Incl. PeakMemUse (bytes) per call 212,000 212,000 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% 1,760 172.2% 215 54.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function6 0.3% 4 1.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 1,760 100.0% 215 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 1,439 81.8% 105 48.8% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 146 8.3% -54 -25.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 112 6.4% 97 45.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 55 3.1% 62 28.8% 0 N/A% 0 N/A%
array_merge0 N/A% 2 0.1% 1 0.5% 0 N/A% 0 N/A%