Diff Report
Run #51a518f009231: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a5256dc4557: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51a518f009231Run #51a5256dc4557DiffDiff%
Number of Function Calls79 79 0 0.0%
Incl. Wall Time (microsec)6,591 6,641 50 0.8%
Incl. Wall Time (microsec) per call 83 84 1 0.8%
Excl. Wall Time (microsec)1,986 2,004 18 0.9%
Incl. CPU (microsecs)0 8,000 8,000 N/A%
Incl. CPU (microsecs) per call 0 101 101 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)31,816 31,816 0 0.0%
Incl. MemUse (bytes) per call 403 403 0 0.0%
Excl. MemUse (bytes)-43,624 -44,480 -856 -2.0%
Incl. PeakMemUse (bytes)32,952 33,736 784 2.4%
Incl. PeakMemUse (bytes) per call 417 427 10 2.4%
Excl. PeakMemUse (bytes)4,860 4,780 -80 -1.6%

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% 50 1.4% 8,000 200.0% 0 0.0% 784 1.1%
Exclusive Metrics Diff for Current Function18 36.0% 0 0.0% -856 N/A% -80 -10.2%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 61 122.0% 8,000 100.0% 0 N/A% 784 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -11 -22.0% 0 0.0% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -82 -164.0% 4,000 50.0% 0 N/A% 0 0.0%
drupal_static0 N/A% 79 158.0% 4,000 50.0% 0 N/A% 0 0.0%
array_keys0 N/A% 39 78.0% 0 0.0% 856 N/A% 640 81.6%
array_diff0 N/A% -3 -6.0% 0 0.0% 0 N/A% 200 25.5%
array_fill_keys0 N/A% -2 -4.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 1 2.0% 0 0.0% 0 N/A% 24 3.1%