Diff Report
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5cfb002ea: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec5ca916d7dRun #51ec5cfb002eaDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)3,867 3,954 87 2.2%
Incl. Wall Time (microsec) per call 3,867 3,954 87 2.2%
Excl. Wall Time (microsec)47 44 -3 -6.4%
Incl. CPU (microsecs)2,452 2,329 -123 -5.0%
Incl. CPU (microsecs) per call 2,452 2,329 -123 -5.0%
Excl. CPU (microsec)42 37 -5 -11.9%
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)-10,840 -10,840 0 0.0%
Incl. PeakMemUse (bytes)220,416 220,416 0 0.0%
Incl. PeakMemUse (bytes) per call 220,416 220,416 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% 87 5.6% -123 -125.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -3.4% -5 -4.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 87 100.0% -123 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 77 88.5% -54 -43.9% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 70 80.5% -9 -7.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% -62 -71.3% -62 -50.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 5 5.7% 6 4.9% 0 N/A% 0 N/A%
array_merge0 N/A% 0 0.0% 1 0.8% 0 N/A% 0 N/A%