Diff Report
Run #51ca5ac5912c3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5a4995c23: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ca5ac5912c3Run #51ca5a4995c23DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)6,049 6,109 60 1.0%
Incl. Wall Time (microsec) per call 6,049 6,109 60 1.0%
Excl. Wall Time (microsec)80 76 -4 -5.0%
Incl. CPU (microsecs)3,528 3,546 18 0.5%
Incl. CPU (microsecs) per call 3,528 3,546 18 0.5%
Excl. CPU (microsec)72 74 2 2.8%
Incl. MemUse (bytes)131,752 131,752 0 0.0%
Incl. MemUse (bytes) per call 131,752 131,752 0 0.0%
Excl. MemUse (bytes)-12,552 -12,552 0 0.0%
Incl. PeakMemUse (bytes)135,456 135,456 0 0.0%
Incl. PeakMemUse (bytes) per call 135,456 135,456 0 0.0%
Excl. PeakMemUse (bytes)0 0 0 N/A%

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 17.2% 18 1.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -6.7% 2 11.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 60 100.0% 18 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 47 78.3% 35 194.4% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 24 40.0% -14 -77.8% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% -4 -6.7% -2 -11.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -3 -5.0% -1 -5.6% 0 N/A% 0 N/A%
array_merge0 N/A% 0 0.0% -2 -11.1% 0 N/A% 0 N/A%