Diff Report
Run #52c862c126d67: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52c862c126d67Run #52c8629919553DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)3,822 3,883 61 1.6%
Incl. Wall Time (microsec) per call 43 44 1 1.6%
Excl. Wall Time (microsec)957 967 10 1.0%
Incl. CPU (microsecs)2,862 2,889 27 0.9%
Incl. CPU (microsecs) per call 33 33 0 0.9%
Excl. CPU (microsec)768 788 20 2.6%
Incl. MemUse (bytes)66,952 66,952 0 0.0%
Incl. MemUse (bytes) per call 761 761 0 0.0%
Excl. MemUse (bytes)-118,696 -118,696 0 0.0%
Incl. PeakMemUse (bytes)94,904 94,904 0 0.0%
Incl. PeakMemUse (bytes) per call 1,078 1,078 0 0.0%
Excl. PeakMemUse (bytes)14,328 14,328 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% 61 9.5% 27 3.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function10 16.4% 20 74.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 61 100.0% 27 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 50 82.0% 30 111.1% 0 N/A% 0 N/A%
drupal_static0 N/A% -4 -6.6% 3 11.1% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 2 3.3% -4 -14.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 2 3.3% 3 11.1% 0 N/A% 0 N/A%
array_diff0 N/A% 1 1.6% -18 -66.7% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% -7 -25.9% 0 N/A% 0 N/A%