Diff Report
Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bbaa8fc1d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51f5bb078e5a7Run #51f5bbaa8fc1dDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)6,635 6,575 -60 -0.9%
Incl. Wall Time (microsec) per call 6,635 6,575 -60 -0.9%
Excl. Wall Time (microsec)79 65 -14 -17.7%
Incl. CPU (microsecs)2,718 2,676 -42 -1.5%
Incl. CPU (microsecs) per call 2,718 2,676 -42 -1.5%
Excl. CPU (microsec)71 58 -13 -18.3%
Incl. MemUse (bytes)267,984 267,976 -8 -0.0%
Incl. MemUse (bytes) per call 267,984 267,976 -8 -0.0%
Excl. MemUse (bytes)-10,776 -10,776 0 0.0%
Incl. PeakMemUse (bytes)238,744 237,840 -904 -0.4%
Incl. PeakMemUse (bytes) per call 238,744 237,840 -904 -0.4%
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 -1.3% -42 -1.0% -8 -0.0% -904 -1.6%
Exclusive Metrics Diff for Current Function-14 -23.3% -13 -31.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% -60 -100.0% -42 -100.0% -8 -100.0% -904 -100.0%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% -45 -75.0% 21 50.0% 8 100.0% 8 0.9%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% -25 -41.7% 10 23.8% 0 0.0% -848 -93.8%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 22 36.7% -63 -150.0% -16 -200.0% -56 -6.2%
array_merge0 N/A% 1 1.7% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 1 1.7% 3 7.1% 0 0.0% -8 -0.9%