Diff Report
Run #51c6814c41b47: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c6824f48b42: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51c6814c41b47Run #51c6824f48b42DiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 5,433 5,433 N/A%
Incl. Wall Time (microsec) per call N/A 5,433 5,433 N/A%
Excl. Wall Time (microsec) 69 69 N/A%
Incl. CPU (microsecs) 3,360 3,360 N/A%
Incl. CPU (microsecs) per call N/A 3,360 3,360 N/A%
Excl. CPU (microsec) 57 57 N/A%
Incl. MemUse (bytes) 136,232 136,232 N/A%
Incl. MemUse (bytes) per call N/A 136,232 136,232 N/A%
Excl. MemUse (bytes) -11,968 -11,968 N/A%
Incl. PeakMemUse (bytes) 116,632 116,632 N/A%
Incl. PeakMemUse (bytes) per call N/A 116,632 116,632 N/A%
Excl. PeakMemUse (bytes) 568 568 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::updateCache1 6.7% 5,433 0.5% 3,360 0.3% 136,232 0.7% 116,632 0.6%
Exclusive Metrics Diff for Current Function69 1.3% 57 1.7% -11,968 -8.8% 568 0.5%
Parent function
Drupal\Core\Cache\CacheCollector::destruct1 100.0% 5,433 100.0% 3,360 100.0% 136,232 100.0% 116,632 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::set1 20.0% 1,980 36.4% 1,252 37.3% 12,224 9.0% 12,888 11.1%
Drupal\Core\Lock\DatabaseLockBackend::acquire1 20.0% 1,645 30.3% 899 26.8% 66,712 49.0% 51,840 44.4%
Drupal\Core\Lock\DatabaseLockBackend::release1 20.0% 1,234 22.7% 886 26.4% 55,856 41.0% 35,936 30.8%
Drupal\Core\Cache\DatabaseBackend::get1 20.0% 493 9.1% 253 7.5% 5,888 4.3% 15,400 13.2%
array_merge1 20.0% 12 0.2% 13 0.4% 7,520 5.5% 0 0.0%