Diff Report
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51ec491641923Run #51ec485525502DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)5,498 5,403 -95 -1.7%
Incl. Wall Time (microsec) per call 38 37 -1 -1.7%
Excl. Wall Time (microsec)1,868 1,845 -23 -1.2%
Incl. CPU (microsecs)4,710 4,659 -51 -1.1%
Incl. CPU (microsecs) per call 32 32 -0 -1.1%
Excl. CPU (microsec)1,578 1,525 -53 -3.4%
Incl. MemUse (bytes)94,592 94,624 32 0.0%
Incl. MemUse (bytes) per call 648 648 0 0.0%
Excl. MemUse (bytes)-185,392 -185,448 -56 -0.0%
Incl. PeakMemUse (bytes)128,768 128,176 -592 -0.5%
Incl. PeakMemUse (bytes) per call 882 878 -4 -0.5%
Excl. PeakMemUse (bytes)34,568 33,224 -1,344 -3.9%

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% -95 -6.1% -51 -2.9% 32 0.0% -592 -0.4%
Exclusive Metrics Diff for Current Function-23 -24.2% -53 -103.9% -56 -175.0% -1,344 -227.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -58 -61.1% -21 -41.2% 32 100.0% -472 -79.7%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -36 -37.9% -30 -58.8% 0 0.0% -120 -20.3%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% -1 -1.1% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -90 -94.7% -32 -62.7% 0 0.0% -152 -25.7%
array_keys0 N/A% 17 17.9% 16 31.4% 88 275.0% 568 95.9%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 6 6.3% 2 3.9% 0 0.0% 0 0.0%
drupal_static0 N/A% -4 -4.2% 4 7.8% 0 0.0% -24 -4.1%
array_diff0 N/A% -1 -1.1% 15 29.4% 0 0.0% 360 60.8%
array_fill_keys0 N/A% 0 0.0% -3 -5.9% 0 0.0% 0 0.0%