Diff Report
Run #51aad15cb89bb: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aad231c9c46: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51aad15cb89bbRun #51aad231c9c46DiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)5,823 5,788 -35 -0.6%
Incl. Wall Time (microsec) per call 86 85 -1 -0.6%
Excl. Wall Time (microsec)1,167 1,173 6 0.5%
Incl. CPU (microsecs)3,597 3,707 110 3.1%
Incl. CPU (microsecs) per call 53 55 2 3.1%
Excl. CPU (microsec)968 987 19 2.0%
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 55,112 128 0.2%
Incl. PeakMemUse (bytes) per call 809 810 2 0.2%
Excl. PeakMemUse (bytes)11,600 11,608 8 0.1%

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% -35 -13.1% 110 7.3% 0 0.0% 128 0.2%
Exclusive Metrics Diff for Current Function6 17.1% 19 17.3% 0 N/A% 8 6.2%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -35 -100.0% 44 40.0% 0 N/A% 8 6.2%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 0 0.0% 66 60.0% 0 N/A% 120 93.8%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -46 -131.4% 92 83.6% 0 N/A% 72 56.2%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 5 14.3% 5 4.5% 0 N/A% 0 0.0%
drupal_static0 N/A% -2 -5.7% 3 2.7% 0 N/A% 8 6.2%
array_keys0 N/A% 2 5.7% 3 2.7% 0 N/A% 16 12.5%
array_fill_keys0 N/A% -1 -2.9% 2 1.8% 0 N/A% 0 0.0%
array_diff0 N/A% 1 2.9% -14 -12.7% 0 N/A% 24 18.8%