Diff Report
Run #51ec3c1813b11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec3c1813b11Run #51ec3b81ad265DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)3,662 3,824 162 4.4%
Incl. Wall Time (microsec) per call 3,662 3,824 162 4.4%
Excl. Wall Time (microsec)47 48 1 2.1%
Incl. CPU (microsecs)2,322 2,314 -8 -0.3%
Incl. CPU (microsecs) per call 2,322 2,314 -8 -0.3%
Excl. CPU (microsec)41 44 3 7.3%
Incl. MemUse (bytes)267,520 267,520 0 0.0%
Incl. MemUse (bytes) per call 267,520 267,520 0 0.0%
Excl. MemUse (bytes)-10,816 -10,816 0 0.0%
Incl. PeakMemUse (bytes)209,680 209,680 0 0.0%
Incl. PeakMemUse (bytes) per call 209,680 209,680 0 0.0%
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% 162 6.6% -8 -1.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 0.6% 3 37.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 162 100.0% -8 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 126 77.8% 19 237.5% 0 N/A% -56 N/A%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 80 49.4% -42 -525.0% 0 N/A% 56 N/A%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% -32 -19.8% 30 375.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -13 -8.0% -17 -212.5% 0 N/A% 0 N/A%
array_merge0 N/A% 0 0.0% -1 -12.5% 0 N/A% 0 N/A%