Diff Report
Run #51a9457328375: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51a944519b58c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51a9457328375Run #51a944519b58cDiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)6,060 6,316 256 4.2%
Incl. Wall Time (microsec) per call 48 51 2 4.2%
Excl. Wall Time (microsec)1,770 1,784 14 0.8%
Incl. CPU (microsecs)4,353 4,514 161 3.7%
Incl. CPU (microsecs) per call 35 36 1 3.7%
Excl. CPU (microsec)1,405 1,439 34 2.4%
Incl. MemUse (bytes)85,864 85,864 0 0.0%
Incl. MemUse (bytes) per call 687 687 0 0.0%
Excl. MemUse (bytes)-135,968 -135,968 0 0.0%
Incl. PeakMemUse (bytes)84,160 84,160 0 0.0%
Incl. PeakMemUse (bytes) per call 673 673 0 0.0%
Excl. PeakMemUse (bytes)23,256 23,256 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::checksumTags [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\DatabaseBackend::checksumTags0 N/A% 256 29.8% 161 18.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function14 5.5% 34 21.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 245 95.7% 152 94.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 11 4.3% 9 5.6% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 168 65.6% 66 41.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 38 14.8% 16 9.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 16 6.2% 19 11.8% 0 N/A% 0 N/A%
array_diff0 N/A% 11 4.3% 16 9.9% 0 N/A% 0 N/A%
array_keys0 N/A% 9 3.5% 6 3.7% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 4 2.5% 0 N/A% 0 N/A%