Diff Report
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51ec243650361Run #51ec227a9cea0DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)5,139 5,073 -66 -1.3%
Incl. Wall Time (microsec) per call 35 35 -0 -1.3%
Excl. Wall Time (microsec)1,768 1,867 99 5.6%
Incl. CPU (microsecs)4,412 4,494 82 1.9%
Incl. CPU (microsecs) per call 30 31 1 1.9%
Excl. CPU (microsec)1,466 1,497 31 2.1%
Incl. MemUse (bytes)92,880 92,872 -8 -0.0%
Incl. MemUse (bytes) per call 636 636 -0 -0.0%
Excl. MemUse (bytes)-148,752 -148,800 -48 -0.0%
Incl. PeakMemUse (bytes)112,320 112,768 448 0.4%
Incl. PeakMemUse (bytes) per call 769 772 3 0.4%
Excl. PeakMemUse (bytes)27,112 27,712 600 2.2%

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% -66 -0.8% 82 1.2% -8 -0.0% 448 1.4%
Exclusive Metrics Diff for Current Function99 150.0% 31 37.8% -48 -600.0% 600 133.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -33 -50.0% 59 72.0% -8 -100.0% 464 103.6%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -33 -50.0% 22 26.8% 0 0.0% -16 -3.6%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 1 1.2% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -141 -213.6% 19 23.2% 0 0.0% -216 -48.2%
array_diff0 N/A% -42 -63.6% -8 -9.8% 0 0.0% -16 -3.6%
array_keys0 N/A% 41 62.1% 62 75.6% 24 300.0% 40 8.9%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -37 -56.1% -35 -42.7% 16 200.0% -8 -1.8%
drupal_static0 N/A% 14 21.2% 8 9.8% 0 0.0% 48 10.7%
array_fill_keys0 N/A% 0 0.0% 5 6.1% 0 0.0% 0 0.0%