Diff Report
Run #51aaed996e9e3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51aaed996e9e3Run #51aaed0fcbd4eDiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)5,600 5,505 -95 -1.7%
Incl. Wall Time (microsec) per call 82 81 -1 -1.7%
Excl. Wall Time (microsec)1,176 1,166 -10 -0.9%
Incl. CPU (microsecs)3,618 3,533 -85 -2.3%
Incl. CPU (microsecs) per call 53 52 -1 -2.3%
Excl. CPU (microsec)991 931 -60 -6.1%
Incl. MemUse (bytes)57,080 57,080 0 0.0%
Incl. MemUse (bytes) per call 839 839 0 0.0%
Excl. MemUse (bytes)-86,608 -86,608 0 0.0%
Incl. PeakMemUse (bytes)55,048 54,984 -64 -0.1%
Incl. PeakMemUse (bytes) per call 810 809 -1 -0.1%
Excl. PeakMemUse (bytes)11,600 11,600 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% -95 -12.8% -85 -19.0% 0 0.0% -64 -0.1%
Exclusive Metrics Diff for Current Function-10 -10.5% -60 -70.6% 0 N/A% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -96 -101.1% -86 -101.2% 0 N/A% -64 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 1 1.1% 1 1.2% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -59 -62.1% -43 -50.6% 0 N/A% -72 -112.5%
array_keys0 N/A% -23 -24.2% -1 -1.2% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -7 -7.4% -2 -2.4% 0 N/A% 0 0.0%
drupal_static0 N/A% 5 5.3% 16 18.8% 0 N/A% 8 12.5%
array_diff0 N/A% -1 -1.1% 3 3.5% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 0 0.0% 2 2.4% 0 N/A% 0 0.0%