Diff Report
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,436 5,515 79 1.5%
Incl. Wall Time (microsec) per call 5,436 5,515 79 1.5%
Excl. Wall Time (microsec)53 50 -3 -5.7%
Incl. CPU (microsecs)2,449 2,467 18 0.7%
Incl. CPU (microsecs) per call 2,449 2,467 18 0.7%
Excl. CPU (microsec)43 42 -1 -2.3%
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)212,208 212,000 -208 -0.1%
Incl. PeakMemUse (bytes) per call 212,208 212,000 -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 Function-3 -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%