Diff Report
Run #519fc53e46a65: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc84e17238: 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 #519fc84e17238DiffDiff%
Number of Function Calls75 75 0 0.0%
Incl. Wall Time (microsec)2,036 2,080 44 2.2%
Incl. Wall Time (microsec) per call 27 28 1 2.2%
Excl. Wall Time (microsec)660 658 -2 -0.3%
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 52,392 -168 -0.3%
Incl. PeakMemUse (bytes) per call 701 699 -2 -0.3%
Excl. PeakMemUse (bytes)10,304 10,200 -104 -1.0%

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% 44 8.1% 0 0.0% 0 0.0% -168 -1.6%
Exclusive Metrics Diff for Current Function-2 -4.5% 0 N/A% 0 N/A% -104 -61.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 57 129.5% 0 N/A% 0 N/A% -168 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -13 -29.5% 0 N/A% 0 N/A% 0 0.0%
Child functions
drupal_static0 N/A% 34 77.3% 0 N/A% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::query0 N/A% 22 50.0% 0 N/A% 0 N/A% -64 -38.1%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -11 -25.0% 0 N/A% 0 N/A% 0 0.0%
array_diff0 N/A% 1 2.3% 0 N/A% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 0.0%
array_keys0 N/A% 0 0.0% 0 N/A% 0 N/A% 0 0.0%