Diff Report
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec52a09990aRun #51ec517fc2424DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)5,621 5,289 -332 -5.9%
Incl. Wall Time (microsec) per call 5,621 5,289 -332 -5.9%
Excl. Wall Time (microsec)51 50 -1 -2.0%
Incl. CPU (microsecs)2,459 2,517 58 2.4%
Incl. CPU (microsecs) per call 2,459 2,517 58 2.4%
Excl. CPU (microsec)42 43 1 2.4%
Incl. MemUse (bytes)267,424 267,496 72 0.0%
Incl. MemUse (bytes) per call 267,424 267,496 72 0.0%
Excl. MemUse (bytes)-11,392 -11,392 0 0.0%
Incl. PeakMemUse (bytes)214,288 215,800 1,512 0.7%
Incl. PeakMemUse (bytes) per call 214,288 215,800 1,512 0.7%
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% -332 -8.1% 58 1.4% 72 0.3% 1,512 6.6%
Exclusive Metrics Diff for Current Function-1 -0.3% 1 1.7% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% -332 -100.0% 58 100.0% 72 100.0% 1,512 100.0%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% -184 -55.4% -10 -17.2% -56 -77.8% -1,728 -114.3%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% -85 -25.6% 68 117.2% 128 177.8% 1,504 99.5%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% -45 -13.6% 27 46.6% 0 0.0% 1,840 121.7%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -21 -6.3% -28 -48.3% 0 0.0% -104 -6.9%
array_merge0 N/A% 4 1.2% 0 0.0% 0 0.0% 0 0.0%