Diff Report
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec2301b5aa5: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51ec227a9cea0Run #51ec2301b5aa5DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)5,073 5,016 -57 -1.1%
Incl. Wall Time (microsec) per call 35 34 -0 -1.1%
Excl. Wall Time (microsec)1,867 1,880 13 0.7%
Incl. CPU (microsecs)4,494 4,398 -96 -2.1%
Incl. CPU (microsecs) per call 31 30 -1 -2.1%
Excl. CPU (microsec)1,497 1,566 69 4.6%
Incl. MemUse (bytes)92,872 92,872 0 0.0%
Incl. MemUse (bytes) per call 636 636 0 0.0%
Excl. MemUse (bytes)-148,800 -148,800 0 0.0%
Incl. PeakMemUse (bytes)112,768 112,768 0 0.0%
Incl. PeakMemUse (bytes) per call 772 772 0 0.0%
Excl. PeakMemUse (bytes)27,712 27,712 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% -57 -2.1% -96 -1.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function13 22.8% 69 71.9% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -83 -145.6% -68 -70.8% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 26 45.6% -28 -29.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -42 -73.7% -87 -90.6% 0 N/A% 0 N/A%
array_diff0 N/A% -13 -22.8% -33 -34.4% 0 N/A% 0 N/A%
array_keys0 N/A% -18 -31.6% -30 -31.2% 0 N/A% 0 N/A%
drupal_static0 N/A% -9 -15.8% -18 -18.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 12 21.1% 7 7.3% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -4 -4.2% 0 N/A% 0 N/A%