Diff Report
Run #519ea91263307: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519ea884c38e9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519ea91263307Run #519ea884c38e9DiffDiff%
Number of Function Calls129 129 0 0.0%
Incl. Wall Time (microsec)5,932 6,143 211 3.6%
Incl. Wall Time (microsec) per call 46 48 2 3.6%
Excl. Wall Time (microsec)1,672 1,684 12 0.7%
Incl. CPU (microsecs)4,198 4,183 -15 -0.4%
Incl. CPU (microsecs) per call 33 32 -0 -0.4%
Excl. CPU (microsec)1,366 1,376 10 0.7%
Incl. MemUse (bytes)83,680 83,688 8 0.0%
Incl. MemUse (bytes) per call 649 649 0 0.0%
Excl. MemUse (bytes)-105,136 -105,136 0 0.0%
Incl. PeakMemUse (bytes)58,144 58,152 8 0.0%
Incl. PeakMemUse (bytes) per call 451 451 0 0.0%
Excl. PeakMemUse (bytes)9,136 9,136 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% 211 40.0% -15 -3.8% 8 N/A% 8 N/A%
Exclusive Metrics Diff for Current Function12 5.7% 10 66.7% 0 0.0% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 231 109.5% 20 133.3% 8 100.0% 8 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -20 -9.5% -35 -233.3% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 217 102.8% -14 -93.3% 0 0.0% 0 0.0%
drupal_static0 N/A% -19 -9.0% -7 -46.7% 0 0.0% 0 0.0%
array_keys0 N/A% -14 -6.6% -26 -173.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 13 6.2% 16 106.7% 8 100.0% 8 100.0%
array_diff0 N/A% 2 0.9% 3 20.0% 0 0.0% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 3 20.0% 0 0.0% 0 0.0%