Diff Report
Run #51ca5476d8061: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca5414b31d9: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ca5476d8061Run #51ca5414b31d9DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)6,962 7,207 245 3.5%
Incl. Wall Time (microsec) per call 6,962 7,207 245 3.5%
Excl. Wall Time (microsec)66 69 3 4.5%
Incl. CPU (microsecs)4,806 5,065 259 5.4%
Incl. CPU (microsecs) per call 4,806 5,065 259 5.4%
Excl. CPU (microsec)61 65 4 6.6%
Incl. MemUse (bytes)439,208 439,208 0 0.0%
Incl. MemUse (bytes) per call 439,208 439,208 0 0.0%
Excl. MemUse (bytes)-11,976 -11,976 0 0.0%
Incl. PeakMemUse (bytes)410,104 410,104 0 0.0%
Incl. PeakMemUse (bytes) per call 410,104 410,104 0 0.0%
Excl. PeakMemUse (bytes)376 376 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% 245 20.3% 259 69.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 1.2% 4 1.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 245 100.0% 259 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 195 79.6% 248 95.8% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 44 18.0% -40 -15.4% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 36 14.7% -28 -10.8% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -34 -13.9% 73 28.2% 0 N/A% 0 N/A%
array_merge0 N/A% 1 0.4% 2 0.8% 0 N/A% 0 N/A%