Diff Report
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec623000e0cRun #51ec66a5a877dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,430 5,302 -128 -2.4%
Incl. Wall Time (microsec) per call 5,430 5,302 -128 -2.4%
Excl. Wall Time (microsec)51 47 -4 -7.8%
Incl. CPU (microsecs)2,471 2,316 -155 -6.3%
Incl. CPU (microsecs) per call 2,471 2,316 -155 -6.3%
Excl. CPU (microsec)45 42 -3 -6.7%
Incl. MemUse (bytes)267,496 267,512 16 0.0%
Incl. MemUse (bytes) per call 267,496 267,512 16 0.0%
Excl. MemUse (bytes)-10,840 -10,840 0 0.0%
Incl. PeakMemUse (bytes)245,704 231,208 -14,496 -5.9%
Incl. PeakMemUse (bytes) per call 245,704 231,208 -14,496 -5.9%
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% -128 -5.4% -155 -4.5% 16 0.0% -14,496 -19.9%
Exclusive Metrics Diff for Current Function-4 -3.1% -3 -1.9% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% -128 -100.0% -155 -100.0% 16 100.0% -14,496 -100.0%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% -2 -1.6% -20 -12.9% 0 0.0% -15,816 -109.1%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% -52 -40.6% -40 -25.8% 16 100.0% 1,216 8.4%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 0 0.0% -1 -0.6% 0 0.0% 104 0.7%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% -70 -54.7% -91 -58.7% 0 0.0% 0 0.0%
array_merge0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%