Diff Report
Run #51ec5ca916d7d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec5cfb002ea: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51ec5ca916d7dRun #51ec5cfb002eaDiffDiff%
Number of Function Calls115 115 0 0.0%
Incl. Wall Time (microsec)4,290 4,755 465 10.8%
Incl. Wall Time (microsec) per call 37 41 4 10.8%
Excl. Wall Time (microsec)1,473 1,472 -1 -0.1%
Incl. CPU (microsecs)3,828 3,844 16 0.4%
Incl. CPU (microsecs) per call 33 33 0 0.4%
Excl. CPU (microsec)1,231 1,199 -32 -2.6%
Incl. MemUse (bytes)77,824 77,824 0 0.0%
Incl. MemUse (bytes) per call 677 677 0 0.0%
Excl. MemUse (bytes)-130,152 -130,152 0 0.0%
Incl. PeakMemUse (bytes)113,304 113,304 0 0.0%
Incl. PeakMemUse (bytes) per call 985 985 0 0.0%
Excl. PeakMemUse (bytes)25,520 25,520 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% 465 29.8% 16 16.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1 -0.2% -32 -200.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 414 89.0% 23 143.8% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 51 11.0% -7 -43.8% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 490 105.4% 49 306.2% 0 N/A% 0 N/A%
array_keys0 N/A% -22 -4.7% -14 -87.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -10 -2.2% -7 -43.8% 0 N/A% 0 N/A%
array_diff0 N/A% 9 1.9% 13 81.2% 0 N/A% 0 N/A%
drupal_static0 N/A% -1 -0.2% 4 25.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 3 18.8% 0 N/A% 0 N/A%