Diff Report
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #51ec3c5ab9ae4Run #51ec3b81ad265DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)4,083 3,824 -259 -6.3%
Incl. Wall Time (microsec) per call 4,083 3,824 -259 -6.3%
Excl. Wall Time (microsec)45 48 3 6.7%
Incl. CPU (microsecs)2,412 2,314 -98 -4.1%
Incl. CPU (microsecs) per call 2,412 2,314 -98 -4.1%
Excl. CPU (microsec)41 44 3 7.3%
Incl. MemUse (bytes)267,528 267,520 -8 -0.0%
Incl. MemUse (bytes) per call 267,528 267,520 -8 -0.0%
Excl. MemUse (bytes)-10,816 -10,816 0 0.0%
Incl. PeakMemUse (bytes)209,984 209,680 -304 -0.1%
Incl. PeakMemUse (bytes) per call 209,984 209,680 -304 -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% -259 -69.3% -98 -9.3% -8 -0.0% -304 -0.8%
Exclusive Metrics Diff for Current Function3 1.2% 3 3.1% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% -259 -100.0% -98 -100.0% -8 -100.0% -304 -100.0%
Child functions
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% -159 -61.4% -9 -9.2% -16 -200.0% -16 -5.3%
Drupal\Core\Cache\DatabaseBackend::set0 N/A% -129 -49.8% -64 -65.3% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 46 17.8% 2 2.0% 0 0.0% 0 0.0%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% -18 -6.9% -27 -27.6% 8 100.0% -288 -94.7%
array_merge0 N/A% -2 -0.8% -3 -3.1% 0 0.0% 0 0.0%