Diff Report
Run #5196ef15c751e: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5196f0780fa8c: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5196ef15c751eRun #5196f0780fa8cDiffDiff%
Number of Function Calls129 129 0 0.0%
Incl. Wall Time (microsec)31,584 93,758 62,174 196.9%
Incl. Wall Time (microsec) per call 245 727 482 196.9%
Excl. Wall Time (microsec)10,659 31,629 20,970 196.7%
Incl. CPU (microsecs)8,000 12,001 4,001 50.0%
Incl. CPU (microsecs) per call 62 93 31 50.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)125,600 125,600 0 0.0%
Incl. MemUse (bytes) per call 974 974 0 0.0%
Excl. MemUse (bytes)-102,936 -102,936 0 0.0%
Incl. PeakMemUse (bytes)94,144 94,144 0 0.0%
Incl. PeakMemUse (bytes) per call 730 730 0 0.0%
Excl. PeakMemUse (bytes)21,376 21,376 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% 62,174 1.0% 4,001 20.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function20,970 33.7% 0 0.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 57,215 92.0% 4,000 100.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 4,959 8.0% 1 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 19,200 30.9% 8,001 200.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 7,278 11.7% 0 0.0% 0 N/A% 0 N/A%
array_diff0 N/A% 5,871 9.4% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% 5,463 8.8% -4,000 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 3,054 4.9% 0 0.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 338 0.5% 0 0.0% 0 N/A% 0 N/A%