Diff Report
Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981e001fd46: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51981beb768adRun #51981e001fd46DiffDiff%
Number of Function Calls84 84 0 0.0%
Incl. Wall Time (microsec)5,736 5,637 -99 -1.7%
Incl. Wall Time (microsec) per call 68 67 -1 -1.7%
Excl. Wall Time (microsec)1,436 1,432 -4 -0.3%
Incl. CPU (microsecs)3,922 3,840 -82 -2.1%
Incl. CPU (microsecs) per call 47 46 -1 -2.1%
Excl. CPU (microsec)1,216 1,216 0 0.0%
Incl. MemUse (bytes)68,616 68,616 0 0.0%
Incl. MemUse (bytes) per call 817 817 0 0.0%
Excl. MemUse (bytes)-99,552 -99,552 0 0.0%
Incl. PeakMemUse (bytes)79,904 79,904 0 0.0%
Incl. PeakMemUse (bytes) per call 951 951 0 0.0%
Excl. PeakMemUse (bytes)18,000 18,000 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% -99 -69.2% -82 -27.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-4 -4.0% 0 0.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -82 -82.8% -82 -100.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -17 -17.2% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -101 -102.0% -71 -86.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -21 -21.2% -23 -28.0% 0 N/A% 0 N/A%
drupal_static0 N/A% 15 15.2% 12 14.6% 0 N/A% 0 N/A%
array_diff0 N/A% 8 8.1% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% 4 4.0% 1 1.2% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -1 -1.2% 0 N/A% 0 N/A%