Diff Report
Run #539206513e72e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #539206513e72eRun #539205a48c548DiffDiff%
Number of Function Calls67 67 0 0.0%
Incl. Wall Time (microsec)13,482 13,518 36 0.3%
Incl. Wall Time (microsec) per call 201 202 1 0.3%
Excl. Wall Time (microsec)1,978 1,962 -16 -0.8%
Incl. CPU (microsecs)8,076 8,221 145 1.8%
Incl. CPU (microsecs) per call 121 123 2 1.8%
Excl. CPU (microsec)1,689 1,690 1 0.1%
Incl. MemUse (bytes)35,468 35,468 0 0.0%
Incl. MemUse (bytes) per call 529 529 0 0.0%
Excl. MemUse (bytes)-99,260 -99,260 0 0.0%
Incl. PeakMemUse (bytes)71,548 71,548 0 0.0%
Incl. PeakMemUse (bytes) per call 1,068 1,068 0 0.0%
Excl. PeakMemUse (bytes)13,384 13,384 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% 36 4.0% 145 41.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-16 -44.4% 1 0.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 36 100.0% 145 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 47 130.6% 149 102.8% 0 N/A% 0 N/A%
array_diff0 N/A% 15 41.7% 14 9.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -12 -33.3% -12 -8.3% 0 N/A% 0 N/A%
drupal_static0 N/A% 10 27.8% 13 9.0% 0 N/A% 0 N/A%
array_keys0 N/A% -6 -16.7% -21 -14.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -2 -5.6% 1 0.7% 0 N/A% 0 N/A%