Diff Report
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #53513afe3c568Run #535139ab6e707DiffDiff%
Number of Function Calls93 93 0 0.0%
Incl. Wall Time (microsec)3,923 3,935 12 0.3%
Incl. Wall Time (microsec) per call 42 42 0 0.3%
Excl. Wall Time (microsec)985 1,002 17 1.7%
Incl. CPU (microsecs)2,963 2,958 -5 -0.2%
Incl. CPU (microsecs) per call 32 32 -0 -0.2%
Excl. CPU (microsec)819 827 8 1.0%
Incl. MemUse (bytes)73,920 73,920 0 0.0%
Incl. MemUse (bytes) per call 795 795 0 0.0%
Excl. MemUse (bytes)-120,080 -120,072 8 0.0%
Incl. PeakMemUse (bytes)84,504 84,536 32 0.0%
Incl. PeakMemUse (bytes) per call 909 909 0 0.0%
Excl. PeakMemUse (bytes)14,640 14,640 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% 12 0.2% -5 -0.1% 0 0.0% 32 0.1%
Exclusive Metrics Diff for Current Function17 141.7% 8 160.0% 8 N/A% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 13 108.3% -4 -80.0% 0 N/A% 32 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -1 -8.3% -1 -20.0% 0 N/A% 0 0.0%
Child functions
array_diff0 N/A% -6 -50.0% -9 -180.0% 0 N/A% 56 175.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 5 41.7% 4 80.0% 0 N/A% -56 -175.0%
Drupal\Core\Database\Connection::query0 N/A% -3 -25.0% -8 -160.0% -8 N/A% 32 100.0%
array_keys0 N/A% -1 -8.3% 6 120.0% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
drupal_static0 N/A% 0 0.0% -6 -120.0% 0 N/A% 0 0.0%