Diff Report
Run #52e417f8e04a5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52e4189e0e4fe: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e417f8e04a5Run #52e4189e0e4feDiffDiff%
Number of Function Calls86 86 0 0.0%
Incl. Wall Time (microsec)3,569 3,635 66 1.8%
Incl. Wall Time (microsec) per call 42 42 1 1.8%
Excl. Wall Time (microsec)996 984 -12 -1.2%
Incl. CPU (microsecs)2,731 2,776 45 1.6%
Incl. CPU (microsecs) per call 32 32 1 1.6%
Excl. CPU (microsec)810 780 -30 -3.7%
Incl. MemUse (bytes)68,048 68,048 0 0.0%
Incl. MemUse (bytes) per call 791 791 0 0.0%
Excl. MemUse (bytes)-127,568 -127,568 0 0.0%
Incl. PeakMemUse (bytes)98,168 98,168 0 0.0%
Incl. PeakMemUse (bytes) per call 1,141 1,141 0 0.0%
Excl. PeakMemUse (bytes)27,776 27,776 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% 66 17.8% 45 12.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -18.2% -30 -66.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 66 100.0% 45 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 77 116.7% 70 155.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 2 3.0% 5 11.1% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 2 3.0% -5 -11.1% 0 N/A% 0 N/A%
array_diff0 N/A% -2 -3.0% 5 11.1% 0 N/A% 0 N/A%
array_keys0 N/A% -1 -1.5% 2 4.4% 0 N/A% 0 N/A%
drupal_static0 N/A% 0 0.0% -2 -4.4% 0 N/A% 0 N/A%