Diff Report
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbd76c2eed: 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 #51fdbd76c2eedDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)6,290 6,682 392 6.2%
Incl. Wall Time (microsec) per call 6,290 6,682 392 6.2%
Excl. Wall Time (microsec)55 80 25 45.5%
Incl. CPU (microsecs)2,612 2,747 135 5.2%
Incl. CPU (microsecs) per call 2,612 2,747 135 5.2%
Excl. CPU (microsec)53 72 19 35.8%
Incl. MemUse (bytes)273,576 273,576 0 0.0%
Incl. MemUse (bytes) per call 273,576 273,576 0 0.0%
Excl. MemUse (bytes)-10,776 -10,776 0 0.0%
Incl. PeakMemUse (bytes)267,208 267,208 0 0.0%
Incl. PeakMemUse (bytes) per call 267,208 267,208 0 0.0%
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% 392 59.0% 135 8.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function25 6.4% 19 14.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\CacheCollector::destruct0 N/A% 392 100.0% 135 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::set0 N/A% 175 44.6% 45 33.3% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::release0 N/A% 147 37.5% 65 48.1% 0 N/A% 0 N/A%
Drupal\Core\Lock\DatabaseLockBackend::acquire0 N/A% 65 16.6% 7 5.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -19 -4.8% -2 -1.5% 0 N/A% 0 N/A%
array_merge0 N/A% -1 -0.3% 1 0.7% 0 N/A% 0 N/A%