Diff Report
Run #5391fcf6ab927: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5391fcf6ab927Run #5391fc871e91dDiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)13,125 13,694 569 4.3%
Incl. Wall Time (microsec) per call 202 211 9 4.3%
Excl. Wall Time (microsec)1,905 1,977 72 3.8%
Incl. CPU (microsecs)7,816 7,948 132 1.7%
Incl. CPU (microsecs) per call 120 122 2 1.7%
Excl. CPU (microsec)1,590 1,664 74 4.7%
Incl. MemUse (bytes)34,624 34,624 0 0.0%
Incl. MemUse (bytes) per call 533 533 0 0.0%
Excl. MemUse (bytes)-94,152 -94,152 0 0.0%
Incl. PeakMemUse (bytes)72,084 72,084 0 0.0%
Incl. PeakMemUse (bytes) per call 1,109 1,109 0 0.0%
Excl. PeakMemUse (bytes)14,108 14,108 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% 569 34.6% 132 8.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function72 12.7% 74 56.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 569 100.0% 132 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 418 73.5% -11 -8.3% 0 N/A% 0 N/A%
drupal_static0 N/A% 31 5.4% 24 18.2% 0 N/A% 0 N/A%
array_diff0 N/A% 29 5.1% 26 19.7% 0 N/A% 0 N/A%
array_keys0 N/A% 22 3.9% 28 21.2% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -3 -0.5% -5 -3.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 0 0.0% -4 -3.0% 0 N/A% 0 N/A%