Diff Report
Run #531ee5f3237b0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ee626b79e4: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #531ee5f3237b0Run #531ee626b79e4DiffDiff%
Number of Function Calls82 82 0 0.0%
Incl. Wall Time (microsec)5,033 5,108 75 1.5%
Incl. Wall Time (microsec) per call 61 62 1 1.5%
Excl. Wall Time (microsec)1,177 1,176 -1 -0.1%
Incl. CPU (microsecs)3,701 3,740 39 1.1%
Incl. CPU (microsecs) per call 45 46 0 1.1%
Excl. CPU (microsec)967 937 -30 -3.1%
Incl. MemUse (bytes)71,624 71,624 0 0.0%
Incl. MemUse (bytes) per call 873 873 0 0.0%
Excl. MemUse (bytes)-191,784 -191,784 0 0.0%
Incl. PeakMemUse (bytes)130,160 130,160 0 0.0%
Incl. PeakMemUse (bytes) per call 1,587 1,587 0 0.0%
Excl. PeakMemUse (bytes)32,832 32,832 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 52.8% 39 11.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -1.3% -30 -76.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 75 100.0% 39 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 73 97.3% 34 87.2% 0 N/A% 0 N/A%
array_diff0 N/A% -1 -1.3% 18 46.2% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 16 41.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 3 4.0% 5 12.8% 0 N/A% 0 N/A%
drupal_static0 N/A% -1 -1.3% -4 -10.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 2 2.7% 0 0.0% 0 N/A% 0 N/A%