Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8bb569af: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519fe7ae1f6ccRun #519fe8bb569afDiffDiff%
Number of Function Calls54 54 0 0.0%
Incl. Wall Time (microsec)3,277 3,394 117 3.6%
Incl. Wall Time (microsec) per call 61 63 2 3.6%
Excl. Wall Time (microsec)910 904 -6 -0.7%
Incl. CPU (microsecs)2,475 2,464 -11 -0.4%
Incl. CPU (microsecs) per call 46 46 -0 -0.4%
Excl. CPU (microsec)778 758 -20 -2.6%
Incl. MemUse (bytes)39,640 39,640 0 0.0%
Incl. MemUse (bytes) per call 734 734 0 0.0%
Excl. MemUse (bytes)-14,224 -14,224 0 0.0%
Incl. PeakMemUse (bytes)30,912 30,912 0 0.0%
Incl. PeakMemUse (bytes) per call 572 572 0 0.0%
Excl. PeakMemUse (bytes)5,928 5,928 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% 117 9.5% -11 -2.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -5.1% -20 -181.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 117 100.0% -11 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 139 118.8% 20 181.8% 0 N/A% 0 N/A%
drupal_static0 N/A% -16 -13.7% -3 -27.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -3 -2.6% 0 0.0% 0 N/A% 0 N/A%
array_diff0 N/A% 2 1.7% 9 81.8% 0 N/A% 0 N/A%
array_keys0 N/A% 1 0.9% -11 -100.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -6 -54.5% 0 N/A% 0 N/A%