Diff Report
Run #538e3af7e977d: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #538e3ac0de109: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #538e3af7e977dRun #538e3ac0de109DiffDiff%
Number of Function Calls58 58 0 0.0%
Incl. Wall Time (microsec)3,521 3,559 38 1.1%
Incl. Wall Time (microsec) per call 61 61 1 1.1%
Excl. Wall Time (microsec)845 842 -3 -0.4%
Incl. CPU (microsecs)2,495 2,529 34 1.4%
Incl. CPU (microsecs) per call 43 44 1 1.4%
Excl. CPU (microsec)664 680 16 2.4%
Incl. MemUse (bytes)51,200 51,200 0 0.0%
Incl. MemUse (bytes) per call 883 883 0 0.0%
Excl. MemUse (bytes)-114,016 -114,016 0 0.0%
Incl. PeakMemUse (bytes)87,104 87,104 0 0.0%
Incl. PeakMemUse (bytes) per call 1,502 1,502 0 0.0%
Excl. PeakMemUse (bytes)14,728 14,728 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% 38 5.2% 34 4.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -7.9% 16 47.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 38 100.0% 34 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 20 52.6% 9 26.5% 0 N/A% 0 N/A%
drupal_static0 N/A% 8 21.1% 11 32.4% 0 N/A% 0 N/A%
array_diff0 N/A% 6 15.8% -3 -8.8% 0 N/A% 0 N/A%
array_keys0 N/A% 3 7.9% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 3 7.9% -2 -5.9% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 1 2.6% 3 8.8% 0 N/A% 0 N/A%