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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5391fc871e91dRun #5391fcf6ab927DiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)13,694 13,125 -569 -4.2%
Incl. Wall Time (microsec) per call 211 202 -9 -4.2%
Excl. Wall Time (microsec)1,977 1,905 -72 -3.6%
Incl. CPU (microsecs)7,948 7,816 -132 -1.7%
Incl. CPU (microsecs) per call 122 120 -2 -1.7%
Excl. CPU (microsec)1,664 1,590 -74 -4.4%
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 Function-72 -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%