Diff Report
Run #517c1836bbd84: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1770a3264: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #517c1836bbd84Run #517c1770a3264DiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)5,231 4,859 -372 -7.1%
Incl. Wall Time (microsec) per call 80 75 -6 -7.1%
Excl. Wall Time (microsec)1,081 1,048 -33 -3.1%
Incl. CPU (microsecs)3,410 3,291 -119 -3.5%
Incl. CPU (microsecs) per call 52 51 -2 -3.5%
Excl. CPU (microsec)901 869 -32 -3.6%
Incl. MemUse (bytes)52,440 52,440 0 0.0%
Incl. MemUse (bytes) per call 807 807 0 0.0%
Excl. MemUse (bytes)-87,232 -87,640 -408 -0.5%
Incl. PeakMemUse (bytes)86,400 86,160 -240 -0.3%
Incl. PeakMemUse (bytes) per call 1,329 1,326 -4 -0.3%
Excl. PeakMemUse (bytes)15,280 15,728 448 2.9%

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% -372 -23.4% -119 -7.8% 0 0.0% -240 -4.0%
Exclusive Metrics Diff for Current Function-33 -8.9% -32 -26.9% -408 N/A% 448 186.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -354 -95.2% -104 -87.4% 0 N/A% -240 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -18 -4.8% -15 -12.6% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -308 -82.8% -69 -58.0% -24 N/A% -416 -173.3%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -20 -5.4% -20 -16.8% 0 N/A% -24 -10.0%
array_keys0 N/A% -6 -1.6% 0 0.0% 432 N/A% -152 -63.3%
array_diff0 N/A% -3 -0.8% 6 5.0% 0 N/A% -96 -40.0%
array_fill_keys0 N/A% -1 -0.3% -5 -4.2% 0 N/A% 0 0.0%
drupal_static0 N/A% -1 -0.3% 1 0.8% 0 N/A% 0 0.0%