Diff Report
Run #51aad15cb89bb: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aad207381a1: 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 #51aad207381a1DiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)5,823 5,654 -169 -2.9%
Incl. Wall Time (microsec) per call 86 83 -2 -2.9%
Excl. Wall Time (microsec)1,167 1,216 49 4.2%
Incl. CPU (microsecs)3,597 3,557 -40 -1.1%
Incl. CPU (microsecs) per call 53 52 -1 -1.1%
Excl. CPU (microsec)968 989 21 2.2%
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 54,984 0 0.0%
Incl. PeakMemUse (bytes) per call 809 809 0 0.0%
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% -169 -20.5% -40 -8.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function49 29.0% 21 52.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -139 -82.2% -44 -110.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -30 -17.8% 4 10.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -216 -127.8% -86 -215.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -11 -6.5% -15 -37.5% 0 N/A% 0 N/A%
array_diff0 N/A% 8 4.7% 12 30.0% 0 N/A% 0 N/A%
array_keys0 N/A% -4 -2.4% 5 12.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 3 1.8% 6 15.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 2 1.2% 17 42.5% 0 N/A% 0 N/A%