Diff Report
Run #521962a927d49: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #521962a927d49Run #5219624c55207DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)6,657 6,077 -580 -8.7%
Incl. Wall Time (microsec) per call 6,657 6,077 -580 -8.7%
Excl. Wall Time (microsec)73 74 1 1.4%
Incl. CPU (microsecs)2,650 2,542 -108 -4.1%
Incl. CPU (microsecs) per call 2,650 2,542 -108 -4.1%
Excl. CPU (microsec)67 63 -4 -6.0%
Incl. MemUse (bytes)267,328 267,352 24 0.0%
Incl. MemUse (bytes) per call 267,328 267,352 24 0.0%
Excl. MemUse (bytes)-10,784 -10,784 0 0.0%
Incl. PeakMemUse (bytes)222,544 222,928 384 0.2%
Incl. PeakMemUse (bytes) per call 222,544 222,928 384 0.2%
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% -580 -124.7% -108 -11.4% 24 0.1% 384 1.3%
Exclusive Metrics Diff for Current Function1 0.2% -4 -3.7% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% -580 -100.0% -108 -100.0% 24 100.0% 384 100.0%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% -254 -43.8% -69 -63.9% 8 33.3% 232 60.4%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% -216 -37.2% -31 -28.7% 0 0.0% 136 35.4%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -188 -32.4% -40 -37.0% 0 0.0% 0 0.0%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 77 13.3% 35 32.4% 16 66.7% 16 4.2%
array_merge0 N/A% 0 0.0% 1 0.9% 0 0.0% 0 0.0%