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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #538e3ac0de109Run #538e3af7e977dDiffDiff%
Number of Function Calls58 58 0 0.0%
Incl. Wall Time (microsec)3,559 3,521 -38 -1.1%
Incl. Wall Time (microsec) per call 61 61 -1 -1.1%
Excl. Wall Time (microsec)842 845 3 0.4%
Incl. CPU (microsecs)2,529 2,495 -34 -1.3%
Incl. CPU (microsecs) per call 44 43 -1 -1.3%
Excl. CPU (microsec)680 664 -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 Function3 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%