Diff Report
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec243650361: 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 #51ec243650361DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)5,073 5,139 66 1.3%
Incl. Wall Time (microsec) per call 35 35 0 1.3%
Excl. Wall Time (microsec)1,867 1,768 -99 -5.3%
Incl. CPU (microsecs)4,494 4,412 -82 -1.8%
Incl. CPU (microsecs) per call 31 30 -1 -1.8%
Excl. CPU (microsec)1,497 1,466 -31 -2.1%
Incl. MemUse (bytes)92,872 92,880 8 0.0%
Incl. MemUse (bytes) per call 636 636 0 0.0%
Excl. MemUse (bytes)-148,800 -148,752 48 0.0%
Incl. PeakMemUse (bytes)112,768 112,320 -448 -0.4%
Incl. PeakMemUse (bytes) per call 772 769 -3 -0.4%
Excl. PeakMemUse (bytes)27,712 27,112 -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 Function-99 -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%