Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: 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 #51ec52a09990aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,289 5,621 332 6.3%
Incl. Wall Time (microsec) per call 5,289 5,621 332 6.3%
Excl. Wall Time (microsec)50 51 1 2.0%
Incl. CPU (microsecs)2,517 2,459 -58 -2.3%
Incl. CPU (microsecs) per call 2,517 2,459 -58 -2.3%
Excl. CPU (microsec)43 42 -1 -2.3%
Incl. MemUse (bytes)267,496 267,424 -72 -0.0%
Incl. MemUse (bytes) per call 267,496 267,424 -72 -0.0%
Excl. MemUse (bytes)-11,392 -11,392 0 0.0%
Incl. PeakMemUse (bytes)215,800 214,288 -1,512 -0.7%
Incl. PeakMemUse (bytes) per call 215,800 214,288 -1,512 -0.7%
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% 332 8.1% -58 -1.4% -72 -0.3% -1,512 -6.6%
Exclusive Metrics Diff for Current Function1 0.3% -1 -1.7% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 332 100.0% -58 -100.0% -72 -100.0% -1,512 -100.0%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 184 55.4% 10 17.2% 56 77.8% 1,728 114.3%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 85 25.6% -68 -117.2% -128 -177.8% -1,504 -99.5%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 45 13.6% -27 -46.6% 0 0.0% -1,840 -121.7%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 21 6.3% 28 48.3% 0 0.0% 104 6.9%
array_merge0 N/A% -4 -1.2% 0 0.0% 0 0.0% 0 0.0%