Diff Report
Run #51b032b631491: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b0336932f18: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51b032b631491Run #51b0336932f18DiffDiff%
Number of Function Calls80 80 0 0.0%
Incl. Wall Time (microsec)7,139 7,958 819 11.5%
Incl. Wall Time (microsec) per call 89 99 10 11.5%
Excl. Wall Time (microsec)1,542 1,587 45 2.9%
Incl. CPU (microsecs)4,373 4,732 359 8.2%
Incl. CPU (microsecs) per call 55 59 4 8.2%
Excl. CPU (microsec)1,279 1,349 70 5.5%
Incl. MemUse (bytes)64,176 64,176 0 0.0%
Incl. MemUse (bytes) per call 802 802 0 0.0%
Excl. MemUse (bytes)-104,064 -104,064 0 0.0%
Incl. PeakMemUse (bytes)58,824 58,824 0 0.0%
Incl. PeakMemUse (bytes) per call 735 735 0 0.0%
Excl. PeakMemUse (bytes)9,208 9,208 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% 819 359.2% 359 2.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function45 5.5% 70 19.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 731 89.3% 336 93.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 88 10.7% 23 6.4% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 649 79.2% 182 50.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 147 17.9% 144 40.1% 0 N/A% 0 N/A%
drupal_static0 N/A% -14 -1.7% -20 -5.6% 0 N/A% 0 N/A%
array_keys0 N/A% -10 -1.2% -8 -2.2% 0 N/A% 0 N/A%
array_diff0 N/A% 2 0.2% -8 -2.2% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -1 -0.3% 0 N/A% 0 N/A%