Diff Report
Run #519fc53e46a65: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc817b51ae: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519fc53e46a65Run #519fc817b51aeDiffDiff%
Number of Function Calls75 75 0 0.0%
Incl. Wall Time (microsec)2,036 1,746 -290 -14.2%
Incl. Wall Time (microsec) per call 27 23 -4 -14.2%
Excl. Wall Time (microsec)660 661 1 0.2%
Incl. CPU (microsecs)0 0 0 N/A%
Incl. CPU (microsecs) per call 0 0 0 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)55,592 55,592 0 0.0%
Incl. MemUse (bytes) per call 741 741 0 0.0%
Excl. MemUse (bytes)-46,168 -46,168 0 0.0%
Incl. PeakMemUse (bytes)52,560 52,560 0 0.0%
Incl. PeakMemUse (bytes) per call 701 701 0 0.0%
Excl. PeakMemUse (bytes)10,304 10,304 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% -290 -6.4% 0 0.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 0.3% 0 N/A% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -216 -74.5% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -74 -25.5% 0 N/A% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -246 -84.8% 0 N/A% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -39 -13.4% 0 N/A% 0 N/A% 0 N/A%
array_keys0 N/A% 10 3.4% 0 N/A% 0 N/A% 0 N/A%
drupal_static0 N/A% -10 -3.4% 0 N/A% 0 N/A% 0 N/A%
array_diff0 N/A% -6 -2.1% 0 N/A% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 N/A%