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

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec51f5849d9Run #51ec517fc2424DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,943 5,289 -654 -11.0%
Incl. Wall Time (microsec) per call 5,943 5,289 -654 -11.0%
Excl. Wall Time (microsec)50 50 0 0.0%
Incl. CPU (microsecs)2,741 2,517 -224 -8.2%
Incl. CPU (microsecs) per call 2,741 2,517 -224 -8.2%
Excl. CPU (microsec)47 43 -4 -8.5%
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%