Diff Report
Run #5208407650493: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52084105e6dcb: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\CacheCollector::updateCache

Drupal\Core\Cache\CacheCollector::updateCacheRun #5208407650493Run #52084105e6dcbDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)7,172 7,443 271 3.8%
Incl. Wall Time (microsec) per call 7,172 7,443 271 3.8%
Excl. Wall Time (microsec)68 70 2 2.9%
Incl. CPU (microsecs)3,226 3,396 170 5.3%
Incl. CPU (microsecs) per call 3,226 3,396 170 5.3%
Excl. CPU (microsec)60 61 1 1.7%
Incl. MemUse (bytes)494,992 499,088 4,096 0.8%
Incl. MemUse (bytes) per call 494,992 499,088 4,096 0.8%
Excl. MemUse (bytes)-10,784 -10,784 0 0.0%
Incl. PeakMemUse (bytes)430,224 433,328 3,104 0.7%
Incl. PeakMemUse (bytes) per call 430,224 433,328 3,104 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% 271 35.4% 170 16.2% 4,096 15.3% 3,104 11.3%
Exclusive Metrics Diff for Current Function2 0.7% 1 0.6% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 271 100.0% 170 100.0% 4,096 100.0% 3,104 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 220 81.2% 102 60.0% -8 -0.2% -696 -22.4%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 191 70.5% 2 1.2% -16 -0.4% 136 4.4%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% -142 -52.4% 62 36.5% 4,120 100.6% 3,664 118.0%
array_merge0 N/A% 0 0.0% 1 0.6% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 0 0.0% 2 1.2% 0 0.0% 0 0.0%