Diff Report
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #521962849973a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #5219624c55207Run #521962849973aDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)6,077 7,115 1,038 17.1%
Incl. Wall Time (microsec) per call 6,077 7,115 1,038 17.1%
Excl. Wall Time (microsec)74 87 13 17.6%
Incl. CPU (microsecs)2,542 2,813 271 10.7%
Incl. CPU (microsecs) per call 2,542 2,813 271 10.7%
Excl. CPU (microsec)63 69 6 9.5%
Incl. MemUse (bytes)267,352 267,352 0 0.0%
Incl. MemUse (bytes) per call 267,352 267,352 0 0.0%
Excl. MemUse (bytes)-10,784 -10,784 0 0.0%
Incl. PeakMemUse (bytes)222,928 222,928 0 0.0%
Incl. PeakMemUse (bytes) per call 222,928 222,928 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% 1,038 1958.5% 271 215.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function13 1.3% 6 2.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 1,038 100.0% 271 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 491 47.3% 145 53.5% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 289 27.8% 63 23.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 229 22.1% 42 15.5% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 14 1.3% 14 5.2% 0 N/A% 0 N/A%
array_merge0 N/A% 2 0.2% 1 0.4% 0 N/A% 0 N/A%