Diff Report
Run #518ed14bbba55: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518eceb4aac68: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #518ed14bbba55Run #518eceb4aac68DiffDiff%
Number of Function Calls75 75 0 0.0%
Incl. Wall Time (microsec)4,018 4,236 218 5.4%
Incl. Wall Time (microsec) per call 54 56 3 5.4%
Excl. Wall Time (microsec)1,111 1,129 18 1.6%
Incl. CPU (microsecs)2,923 3,045 122 4.2%
Incl. CPU (microsecs) per call 39 41 2 4.2%
Excl. CPU (microsec)927 954 27 2.9%
Incl. MemUse (bytes)54,664 54,664 0 0.0%
Incl. MemUse (bytes) per call 729 729 0 0.0%
Excl. MemUse (bytes)-76,888 -76,896 -8 -0.0%
Incl. PeakMemUse (bytes)86,128 86,016 -112 -0.1%
Incl. PeakMemUse (bytes) per call 1,148 1,147 -1 -0.1%
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% 218 79.3% 122 39.1% 0 0.0% -112 -0.6%
Exclusive Metrics Diff for Current Function18 8.3% 27 22.1% -8 N/A% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 213 97.7% 124 101.6% 0 N/A% -112 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 5 2.3% -2 -1.6% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 150 68.8% 72 59.0% 0 N/A% 0 0.0%
drupal_static0 N/A% 23 10.6% 21 17.2% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 16 7.3% 17 13.9% 0 N/A% 0 0.0%
array_keys0 N/A% 6 2.8% -12 -9.8% 8 N/A% -48 -42.9%
array_diff0 N/A% 5 2.3% 0 0.0% 0 N/A% -64 -57.1%
array_fill_keys0 N/A% 0 0.0% -3 -2.5% 0 N/A% 0 0.0%