Diff Report
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51fdbdbb58abcRun #51fdbca2b5409DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)6,327 6,290 -37 -0.6%
Incl. Wall Time (microsec) per call 6,327 6,290 -37 -0.6%
Excl. Wall Time (microsec)59 55 -4 -6.8%
Incl. CPU (microsecs)2,631 2,612 -19 -0.7%
Incl. CPU (microsecs) per call 2,631 2,612 -19 -0.7%
Excl. CPU (microsec)57 53 -4 -7.0%
Incl. MemUse (bytes)273,568 273,576 8 0.0%
Incl. MemUse (bytes) per call 273,568 273,576 8 0.0%
Excl. MemUse (bytes)-10,776 -10,776 0 0.0%
Incl. PeakMemUse (bytes)267,504 267,208 -296 -0.1%
Incl. PeakMemUse (bytes) per call 267,504 267,208 -296 -0.1%
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% -37 -3.9% -19 -26.4% 8 0.0% -296 -1.0%
Exclusive Metrics Diff for Current Function-4 -10.8% -4 -21.1% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% -37 -100.0% -19 -100.0% 8 100.0% -296 -100.0%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% -258 -697.3% -52 -273.7% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 196 529.7% 81 426.3% 8 100.0% -224 -75.7%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 72 194.6% 31 163.2% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -46 -124.3% -78 -410.5% 0 0.0% -72 -24.3%
array_merge0 N/A% 3 8.1% 3 15.8% 0 0.0% 0 0.0%