Diff Report
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed63de9a0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51aaed0fcbd4eRun #51aaed63de9a0DiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)5,505 6,045 540 9.8%
Incl. Wall Time (microsec) per call 81 89 8 9.8%
Excl. Wall Time (microsec)1,166 1,198 32 2.7%
Incl. CPU (microsecs)3,533 3,712 179 5.1%
Incl. CPU (microsecs) per call 52 55 3 5.1%
Excl. CPU (microsec)931 1,000 69 7.4%
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)54,984 54,984 0 0.0%
Incl. PeakMemUse (bytes) per call 809 809 0 0.0%
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% 540 92.2% 179 108.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function32 5.9% 69 38.5% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 505 93.5% 176 98.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 35 6.5% 3 1.7% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 464 85.9% 97 54.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 40 7.4% 34 19.0% 0 N/A% 0 N/A%
array_keys0 N/A% 8 1.5% -7 -3.9% 0 N/A% 0 N/A%
drupal_static0 N/A% -2 -0.4% -6 -3.4% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -0.2% -2 -1.1% 0 N/A% 0 N/A%
array_diff0 N/A% -1 -0.2% -6 -3.4% 0 N/A% 0 N/A%