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

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec3b81ad265Run #51ec3c1813b11DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)3,824 3,662 -162 -4.2%
Incl. Wall Time (microsec) per call 3,824 3,662 -162 -4.2%
Excl. Wall Time (microsec)48 47 -1 -2.1%
Incl. CPU (microsecs)2,314 2,322 8 0.3%
Incl. CPU (microsecs) per call 2,314 2,322 8 0.3%
Excl. CPU (microsec)44 41 -3 -6.8%
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 Function-1 -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%