Diff Report
Run #51ec489b18752: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51ec489b18752Run #51ec485525502DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)5,477 5,403 -74 -1.4%
Incl. Wall Time (microsec) per call 38 37 -1 -1.4%
Excl. Wall Time (microsec)1,827 1,845 18 1.0%
Incl. CPU (microsecs)4,647 4,659 12 0.3%
Incl. CPU (microsecs) per call 32 32 0 0.3%
Excl. CPU (microsec)1,488 1,525 37 2.5%
Incl. MemUse (bytes)94,624 94,624 0 0.0%
Incl. MemUse (bytes) per call 648 648 0 0.0%
Excl. MemUse (bytes)-185,448 -185,448 0 0.0%
Incl. PeakMemUse (bytes)128,176 128,176 0 0.0%
Incl. PeakMemUse (bytes) per call 878 878 0 0.0%
Excl. PeakMemUse (bytes)33,224 33,224 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% -74 -7.2% 12 3.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function18 24.3% 37 308.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -47 -63.5% 4 33.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -27 -36.5% 8 66.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -91 -123.0% -6 -50.0% 0 N/A% 0 N/A%
array_keys0 N/A% -7 -9.5% -9 -75.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 7 9.5% 5 41.7% 0 N/A% 0 N/A%
drupal_static0 N/A% -4 -5.4% -7 -58.3% 0 N/A% 0 N/A%
array_diff0 N/A% 3 4.1% -4 -33.3% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -4 -33.3% 0 N/A% 0 N/A%