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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52c8629919553Run #52c862c126d67DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)3,883 3,822 -61 -1.6%
Incl. Wall Time (microsec) per call 44 43 -1 -1.6%
Excl. Wall Time (microsec)967 957 -10 -1.0%
Incl. CPU (microsecs)2,889 2,862 -27 -0.9%
Incl. CPU (microsecs) per call 33 33 -0 -0.9%
Excl. CPU (microsec)788 768 -20 -2.5%
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 Function-10 -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%