Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec491641923: 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 #51ec491641923DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,515 5,436 -79 -1.4%
Incl. Wall Time (microsec) per call 5,515 5,436 -79 -1.4%
Excl. Wall Time (microsec)50 53 3 6.0%
Incl. CPU (microsecs)2,467 2,449 -18 -0.7%
Incl. CPU (microsecs) per call 2,467 2,449 -18 -0.7%
Excl. CPU (microsec)42 43 1 2.4%
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)212,000 212,208 208 0.1%
Incl. PeakMemUse (bytes) per call 212,000 212,208 208 0.1%
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% -79 -5.1% -18 -1.0% 0 0.0% 208 0.2%
Exclusive Metrics Diff for Current Function3 3.8% 1 5.6% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% -79 -100.0% -18 -100.0% 0 N/A% 208 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::set0 N/A% -91 -115.2% -9 -50.0% -8 N/A% 48 23.1%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 15 19.0% 28 155.6% 0 N/A% 0 0.0%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% -13 -16.5% -47 -261.1% 8 N/A% 56 26.9%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 9 11.4% 10 55.6% 0 N/A% 104 50.0%
array_merge0 N/A% -2 -2.5% -1 -5.6% 0 N/A% 0 0.0%