Diff Report
Run #51ba929760d1b: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51ba93c3db76f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51ba929760d1bRun #51ba93c3db76fDiffDiff%
Number of Function Calls43 43 0 0.0%
Incl. Wall Time (microsec)4,067 3,785 -282 -6.9%
Incl. Wall Time (microsec) per call 95 88 -7 -6.9%
Excl. Wall Time (microsec)780 806 26 3.3%
Incl. CPU (microsecs)2,540 2,408 -132 -5.2%
Incl. CPU (microsecs) per call 59 56 -3 -5.2%
Excl. CPU (microsec)619 653 34 5.5%
Incl. MemUse (bytes)39,704 39,704 0 0.0%
Incl. MemUse (bytes) per call 923 923 0 0.0%
Excl. MemUse (bytes)-39,736 -39,736 0 0.0%
Incl. PeakMemUse (bytes)30,768 30,768 0 0.0%
Incl. PeakMemUse (bytes) per call 716 716 0 0.0%
Excl. PeakMemUse (bytes)4,448 4,448 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% -282 -39.7% -132 -10.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function26 9.2% 34 25.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -282 -100.0% -132 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -329 -116.7% -182 -137.9% 0 N/A% 0 N/A%
array_keys0 N/A% 16 5.7% 11 8.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -14 -5.0% -13 -9.8% 0 N/A% 0 N/A%
array_diff0 N/A% 14 5.0% 7 5.3% 0 N/A% 0 N/A%
drupal_static0 N/A% 4 1.4% 7 5.3% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 1 0.4% 4 3.0% 0 N/A% 0 N/A%