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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5196effcededbRun #5196ef15c751eDiffDiff%
Number of Function Calls129 129 0 0.0%
Incl. Wall Time (microsec)19,470 31,584 12,114 62.2%
Incl. Wall Time (microsec) per call 151 245 94 62.2%
Excl. Wall Time (microsec)6,649 10,659 4,010 60.3%
Incl. CPU (microsecs)4,000 8,000 4,000 100.0%
Incl. CPU (microsecs) per call 31 62 31 100.0%
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% 12,114 1.0% 4,000 100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4,010 33.1% 0 0.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 11,160 92.1% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 954 7.9% 4,000 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 3,712 30.6% 0 0.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 1,385 11.4% -4,000 -100.0% 0 N/A% 0 N/A%
array_diff0 N/A% 1,268 10.5% 4,000 100.0% 0 N/A% 0 N/A%
array_keys0 N/A% 1,083 8.9% 4,000 100.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 590 4.9% 0 0.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 66 0.5% 0 0.0% 0 N/A% 0 N/A%