Diff Report
Run #53920b950c201: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53920c043e98b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #53920b950c201Run #53920c043e98bDiffDiff%
Number of Function Calls44 44 0 0.0%
Incl. Wall Time (microsec)10,213 10,558 345 3.4%
Incl. Wall Time (microsec) per call 232 240 8 3.4%
Excl. Wall Time (microsec)1,439 1,382 -57 -4.0%
Incl. CPU (microsecs)5,984 6,106 122 2.0%
Incl. CPU (microsecs) per call 136 139 3 2.0%
Excl. CPU (microsec)1,192 1,175 -17 -1.4%
Incl. MemUse (bytes)27,688 27,688 0 0.0%
Incl. MemUse (bytes) per call 629 629 0 0.0%
Excl. MemUse (bytes)-73,844 -73,844 0 0.0%
Incl. PeakMemUse (bytes)65,124 65,240 116 0.2%
Incl. PeakMemUse (bytes) per call 1,480 1,483 3 0.2%
Excl. PeakMemUse (bytes)11,632 11,716 84 0.7%

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% 345 96.4% 122 65.2% 0 0.0% 116 1.1%
Exclusive Metrics Diff for Current Function-57 -16.5% -17 -13.9% 0 N/A% 84 72.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 345 100.0% 122 100.0% 0 N/A% 116 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 403 116.8% 163 133.6% 0 N/A% 0 0.0%
array_keys0 N/A% 24 7.0% 23 18.9% 0 N/A% 32 27.6%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -12 -3.5% -17 -13.9% 0 N/A% 0 0.0%
array_diff0 N/A% -9 -2.6% -10 -8.2% 0 N/A% 0 0.0%
array_fill_keys0 N/A% -3 -0.9% -5 -4.1% 0 N/A% 0 0.0%
drupal_static0 N/A% -1 -0.3% -15 -12.3% 0 N/A% 0 0.0%