Diff Report
Run #518eceb4aac68: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518ed10e385b9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #518eceb4aac68Run #518ed10e385b9DiffDiff%
Number of Function Calls75 75 0 0.0%
Incl. Wall Time (microsec)4,236 4,535 299 7.1%
Incl. Wall Time (microsec) per call 56 60 4 7.1%
Excl. Wall Time (microsec)1,129 1,134 5 0.4%
Incl. CPU (microsecs)3,045 3,066 21 0.7%
Incl. CPU (microsecs) per call 41 41 0 0.7%
Excl. CPU (microsec)954 953 -1 -0.1%
Incl. MemUse (bytes)54,664 54,664 0 0.0%
Incl. MemUse (bytes) per call 729 729 0 0.0%
Excl. MemUse (bytes)-76,896 -76,896 0 0.0%
Incl. PeakMemUse (bytes)86,016 86,016 0 0.0%
Incl. PeakMemUse (bytes) per call 1,147 1,147 0 0.0%
Excl. PeakMemUse (bytes)17,792 17,792 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% 299 1245.8% 21 1.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 1.7% -1 -4.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 299 100.0% 28 133.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 0 0.0% -7 -33.3% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 288 96.3% -7 -33.3% 0 N/A% 0 N/A%
drupal_static0 N/A% -11 -3.7% -9 -42.9% 0 N/A% 0 N/A%
array_keys0 N/A% 9 3.0% 25 119.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 7 2.3% 4 19.0% 0 N/A% 0 N/A%
array_diff0 N/A% 1 0.3% 5 23.8% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 4 19.0% 0 N/A% 0 N/A%