Diff Report
Run #53195bb0cc668: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53195a48b6f09: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #53195bb0cc668Run #53195a48b6f09DiffDiff%
Number of Function Calls84 84 0 0.0%
Incl. Wall Time (microsec)5,782 6,151 369 6.4%
Incl. Wall Time (microsec) per call 69 73 4 6.4%
Excl. Wall Time (microsec)1,608 1,719 111 6.9%
Incl. CPU (microsecs)5,264 5,649 385 7.3%
Incl. CPU (microsecs) per call 63 67 5 7.3%
Excl. CPU (microsec)1,307 1,415 108 8.3%
Incl. MemUse (bytes)70,000 70,000 0 0.0%
Incl. MemUse (bytes) per call 833 833 0 0.0%
Excl. MemUse (bytes)-170,640 -170,632 8 0.0%
Incl. PeakMemUse (bytes)105,896 105,560 -336 -0.3%
Incl. PeakMemUse (bytes) per call 1,261 1,257 -4 -0.3%
Excl. PeakMemUse (bytes)19,376 19,312 -64 -0.3%

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% 369 10.7% 385 11.0% 0 0.0% -336 -0.1%
Exclusive Metrics Diff for Current Function111 30.1% 108 28.1% 8 N/A% -64 -19.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 369 100.0% 385 100.0% 0 N/A% -336 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 158 42.8% 174 45.2% -24 N/A% -152 -45.2%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 46 12.5% 43 11.2% 0 N/A% 0 0.0%
array_diff0 N/A% 23 6.2% 31 8.1% 0 N/A% 0 0.0%
array_keys0 N/A% 18 4.9% 11 2.9% 16 N/A% -120 -35.7%
drupal_static0 N/A% 11 3.0% 13 3.4% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 2 0.5% 5 1.3% 0 N/A% 0 0.0%