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

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec485525502Run #51ec489b18752DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,515 3,755 -1,760 -31.9%
Incl. Wall Time (microsec) per call 5,515 3,755 -1,760 -31.9%
Excl. Wall Time (microsec)50 44 -6 -12.0%
Incl. CPU (microsecs)2,467 2,252 -215 -8.7%
Incl. CPU (microsecs) per call 2,467 2,252 -215 -8.7%
Excl. CPU (microsec)42 38 -4 -9.5%
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 Function-6 -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%