Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: 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 #51ec3c5ab9ae4DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)3,824 4,083 259 6.8%
Incl. Wall Time (microsec) per call 3,824 4,083 259 6.8%
Excl. Wall Time (microsec)48 45 -3 -6.2%
Incl. CPU (microsecs)2,314 2,412 98 4.2%
Incl. CPU (microsecs) per call 2,314 2,412 98 4.2%
Excl. CPU (microsec)44 41 -3 -6.8%
Incl. MemUse (bytes)267,520 267,528 8 0.0%
Incl. MemUse (bytes) per call 267,520 267,528 8 0.0%
Excl. MemUse (bytes)-10,816 -10,816 0 0.0%
Incl. PeakMemUse (bytes)209,680 209,984 304 0.1%
Incl. PeakMemUse (bytes) per call 209,680 209,984 304 0.1%
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% 259 69.3% 98 9.3% 8 0.0% 304 0.8%
Exclusive Metrics Diff for Current Function-3 -1.2% -3 -3.1% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 259 100.0% 98 100.0% 8 100.0% 304 100.0%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 159 61.4% 9 9.2% 16 200.0% 16 5.3%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 129 49.8% 64 65.3% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -46 -17.8% -2 -2.0% 0 0.0% 0 0.0%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 18 6.9% 27 27.6% -8 -100.0% 288 94.7%
array_merge0 N/A% 2 0.8% 3 3.1% 0 0.0% 0 0.0%