Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec517fc2424Run #51ec51f5849d9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,289 5,943 654 12.4%
Incl. Wall Time (microsec) per call 5,289 5,943 654 12.4%
Excl. Wall Time (microsec)50 50 0 0.0%
Incl. CPU (microsecs)2,517 2,741 224 8.9%
Incl. CPU (microsecs) per call 2,517 2,741 224 8.9%
Excl. CPU (microsec)43 47 4 9.3%
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)-11,392 -11,392 0 0.0%
Incl. PeakMemUse (bytes)215,800 215,800 0 0.0%
Incl. PeakMemUse (bytes) per call 215,800 215,800 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% 654 22.4% 224 7.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% 4 1.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 654 100.0% 224 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 380 58.1% 161 71.9% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 135 20.6% -4 -1.8% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 105 16.1% 75 33.5% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 33 5.0% -12 -5.4% 0 N/A% 0 N/A%
array_merge0 N/A% 1 0.2% 0 0.0% 0 N/A% 0 N/A%