Diff Report
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed996e9e3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51aaed0fcbd4eRun #51aaed996e9e3DiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)5,505 5,600 95 1.7%
Incl. Wall Time (microsec) per call 81 82 1 1.7%
Excl. Wall Time (microsec)1,166 1,176 10 0.9%
Incl. CPU (microsecs)3,533 3,618 85 2.4%
Incl. CPU (microsecs) per call 52 53 1 2.4%
Excl. CPU (microsec)931 991 60 6.4%
Incl. MemUse (bytes)57,080 57,080 0 0.0%
Incl. MemUse (bytes) per call 839 839 0 0.0%
Excl. MemUse (bytes)-86,608 -86,608 0 0.0%
Incl. PeakMemUse (bytes)54,984 55,048 64 0.1%
Incl. PeakMemUse (bytes) per call 809 810 1 0.1%
Excl. PeakMemUse (bytes)11,600 11,600 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% 95 12.8% 85 19.0% 0 0.0% 64 0.1%
Exclusive Metrics Diff for Current Function10 10.5% 60 70.6% 0 N/A% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 96 101.1% 86 101.2% 0 N/A% 64 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -1 -1.1% -1 -1.2% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 59 62.1% 43 50.6% 0 N/A% 72 112.5%
array_keys0 N/A% 23 24.2% 1 1.2% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 7 7.4% 2 2.4% 0 N/A% 0 0.0%
drupal_static0 N/A% -5 -5.3% -16 -18.8% 0 N/A% -8 -12.5%
array_diff0 N/A% 1 1.1% -3 -3.5% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% -2 -2.4% 0 N/A% 0 0.0%