Diff Report
Run #52e49b28a90e1: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e49b28a90e1Run #52e49acfb0eb8DiffDiff%
Number of Function Calls69 69 0 0.0%
Incl. Wall Time (microsec)3,554 3,552 -2 -0.1%
Incl. Wall Time (microsec) per call 52 51 -0 -0.1%
Excl. Wall Time (microsec)873 869 -4 -0.5%
Incl. CPU (microsecs)2,648 2,635 -13 -0.5%
Incl. CPU (microsecs) per call 38 38 -0 -0.5%
Excl. CPU (microsec)708 700 -8 -1.1%
Incl. MemUse (bytes)54,392 54,392 0 0.0%
Incl. MemUse (bytes) per call 788 788 0 0.0%
Excl. MemUse (bytes)-88,912 -88,912 0 0.0%
Incl. PeakMemUse (bytes)89,496 89,496 0 0.0%
Incl. PeakMemUse (bytes) per call 1,297 1,297 0 0.0%
Excl. PeakMemUse (bytes)14,944 14,944 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% -2 -0.7% -13 -3.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -200.0% -8 -61.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -2 -100.0% -13 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -6 -300.0% -15 -115.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 4 200.0% 6 46.2% 0 N/A% 0 N/A%
array_diff0 N/A% 2 100.0% 5 38.5% 0 N/A% 0 N/A%
drupal_static0 N/A% 1 50.0% -3 -23.1% 0 N/A% 0 N/A%
array_keys0 N/A% 1 50.0% -2 -15.4% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 4 30.8% 0 N/A% 0 N/A%