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

Drupal\Core\Cache\CacheCollector::updateCacheRun #51fdbca2b5409Run #51fdbdbb58abcDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)6,290 6,327 37 0.6%
Incl. Wall Time (microsec) per call 6,290 6,327 37 0.6%
Excl. Wall Time (microsec)55 59 4 7.3%
Incl. CPU (microsecs)2,612 2,631 19 0.7%
Incl. CPU (microsecs) per call 2,612 2,631 19 0.7%
Excl. CPU (microsec)53 57 4 7.5%
Incl. MemUse (bytes)273,576 273,568 -8 -0.0%
Incl. MemUse (bytes) per call 273,576 273,568 -8 -0.0%
Excl. MemUse (bytes)-10,776 -10,776 0 0.0%
Incl. PeakMemUse (bytes)267,208 267,504 296 0.1%
Incl. PeakMemUse (bytes) per call 267,208 267,504 296 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 Function4 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%