Diff Report
Run #51ec66a5a877d: 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 #51ec66a5a877dRun #51ec623000e0cDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,302 5,430 128 2.4%
Incl. Wall Time (microsec) per call 5,302 5,430 128 2.4%
Excl. Wall Time (microsec)47 51 4 8.5%
Incl. CPU (microsecs)2,316 2,471 155 6.7%
Incl. CPU (microsecs) per call 2,316 2,471 155 6.7%
Excl. CPU (microsec)42 45 3 7.1%
Incl. MemUse (bytes)267,512 267,496 -16 -0.0%
Incl. MemUse (bytes) per call 267,512 267,496 -16 -0.0%
Excl. MemUse (bytes)-10,840 -10,840 0 0.0%
Incl. PeakMemUse (bytes)231,208 245,704 14,496 6.3%
Incl. PeakMemUse (bytes) per call 231,208 245,704 14,496 6.3%
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% 128 5.4% 155 4.5% -16 -0.0% 14,496 19.9%
Exclusive Metrics Diff for Current Function4 3.1% 3 1.9% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 128 100.0% 155 100.0% -16 -100.0% 14,496 100.0%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 70 54.7% 91 58.7% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 52 40.6% 40 25.8% -16 -100.0% -1,216 -8.4%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 2 1.6% 20 12.9% 0 0.0% 15,816 109.1%
array_merge0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 0 0.0% 1 0.6% 0 0.0% -104 -0.7%