Diff Report
Run #520840e157983: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5208407650493: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #520840e157983Run #5208407650493DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)7,326 7,172 -154 -2.1%
Incl. Wall Time (microsec) per call 7,326 7,172 -154 -2.1%
Excl. Wall Time (microsec)64 68 4 6.2%
Incl. CPU (microsecs)3,305 3,226 -79 -2.4%
Incl. CPU (microsecs) per call 3,305 3,226 -79 -2.4%
Excl. CPU (microsec)53 60 7 13.2%
Incl. MemUse (bytes)499,088 494,992 -4,096 -0.8%
Incl. MemUse (bytes) per call 499,088 494,992 -4,096 -0.8%
Excl. MemUse (bytes)-10,776 -10,784 -8 -0.1%
Incl. PeakMemUse (bytes)433,488 430,224 -3,264 -0.8%
Incl. PeakMemUse (bytes) per call 433,488 430,224 -3,264 -0.8%
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% -154 -65.5% -79 -8.8% -4,096 -14.1% -3,264 -11.3%
Exclusive Metrics Diff for Current Function4 2.6% 7 8.9% -8 -0.2% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% -154 -100.0% -79 -100.0% -4,096 -100.0% -3,264 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::set0 N/A% -139 -90.3% -29 -36.7% 8 0.2% 680 20.8%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% -54 -35.1% 35 44.3% 16 0.4% -144 -4.4%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 37 24.0% -84 -106.3% -4,120 -100.6% -3,664 -112.3%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -3 -1.9% -8 -10.1% 8 0.2% -136 -4.2%
array_merge0 N/A% 1 0.6% 0 0.0% 0 0.0% 0 0.0%