Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519fe7ae1f6ccRun #519fe8e1e5ecaDiffDiff%
Number of Function Calls54 54 0 0.0%
Incl. Wall Time (microsec)3,277 3,352 75 2.3%
Incl. Wall Time (microsec) per call 61 62 1 2.3%
Excl. Wall Time (microsec)910 985 75 8.2%
Incl. CPU (microsecs)2,475 2,559 84 3.4%
Incl. CPU (microsecs) per call 46 47 2 3.4%
Excl. CPU (microsec)778 848 70 9.0%
Incl. MemUse (bytes)39,640 39,640 0 0.0%
Incl. MemUse (bytes) per call 734 734 0 0.0%
Excl. MemUse (bytes)-14,224 -14,224 0 0.0%
Incl. PeakMemUse (bytes)30,912 30,912 0 0.0%
Incl. PeakMemUse (bytes) per call 572 572 0 0.0%
Excl. PeakMemUse (bytes)5,928 5,928 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% 75 27.4% 84 32.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function75 100.0% 70 83.3% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 75 100.0% 84 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -18 -24.0% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% 18 24.0% 7 8.3% 0 N/A% 0 N/A%
drupal_static0 N/A% 7 9.3% 13 15.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -6 -8.0% -7 -8.3% 0 N/A% 0 N/A%
array_diff0 N/A% -1 -1.3% 3 3.6% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -2 -2.4% 0 N/A% 0 N/A%