Diff Report
Run #52e4a1fd8a982: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e4a1fd8a982Run #52e4a1c03557cDiffDiff%
Number of Function Calls63 63 0 0.0%
Incl. Wall Time (microsec)3,457 3,465 8 0.2%
Incl. Wall Time (microsec) per call 55 55 0 0.2%
Excl. Wall Time (microsec)796 800 4 0.5%
Incl. CPU (microsecs)2,554 2,543 -11 -0.4%
Incl. CPU (microsecs) per call 41 40 -0 -0.4%
Excl. CPU (microsec)648 667 19 2.9%
Incl. MemUse (bytes)51,464 51,464 0 0.0%
Incl. MemUse (bytes) per call 817 817 0 0.0%
Excl. MemUse (bytes)-79,432 -79,432 0 0.0%
Incl. PeakMemUse (bytes)87,032 87,032 0 0.0%
Incl. PeakMemUse (bytes) per call 1,381 1,381 0 0.0%
Excl. PeakMemUse (bytes)14,008 14,008 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% 8 2.0% -11 -2.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function4 50.0% 19 172.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 8 100.0% -11 -100.0% 0 N/A% 0 N/A%
Child functions
drupal_static0 N/A% -8 -100.0% -25 -227.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 6 75.0% 8 72.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::query0 N/A% 6 75.0% -6 -54.5% 0 N/A% 0 N/A%
array_keys0 N/A% -3 -37.5% -16 -145.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 2 25.0% 1 9.1% 0 N/A% 0 N/A%
array_diff0 N/A% 1 12.5% 8 72.7% 0 N/A% 0 N/A%