Diff Report
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec243650361Run #51ec227a9cea0DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,306 5,366 60 1.1%
Incl. Wall Time (microsec) per call 5,306 5,366 60 1.1%
Excl. Wall Time (microsec)47 50 3 6.4%
Incl. CPU (microsecs)2,311 2,305 -6 -0.3%
Incl. CPU (microsecs) per call 2,311 2,305 -6 -0.3%
Excl. CPU (microsec)45 42 -3 -6.7%
Incl. MemUse (bytes)267,512 267,528 16 0.0%
Incl. MemUse (bytes) per call 267,512 267,528 16 0.0%
Excl. MemUse (bytes)-10,840 -10,840 0 0.0%
Incl. PeakMemUse (bytes)240,200 245,880 5,680 2.4%
Incl. PeakMemUse (bytes) per call 240,200 245,880 5,680 2.4%
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% 60 0.7% -6 -0.1% 16 0.1% 5,680 17.7%
Exclusive Metrics Diff for Current Function3 5.0% -3 -50.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 60 100.0% -6 -100.0% 16 100.0% 5,680 100.0%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 67 111.7% 2 33.3% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% -7 -11.7% -4 -66.7% 24 150.0% 1,624 28.6%
array_merge0 N/A% -2 -3.3% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -1 -1.7% 1 16.7% 0 0.0% 248 4.4%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 0 0.0% -2 -33.3% -8 -50.0% 3,808 67.0%