Diff Report
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f219706e9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5198f0bb880efRun #5198f219706e9DiffDiff%
Number of Function Calls107 107 0 0.0%
Incl. Wall Time (microsec)6,869 7,020 151 2.2%
Incl. Wall Time (microsec) per call 64 66 1 2.2%
Excl. Wall Time (microsec)1,707 1,740 33 1.9%
Incl. CPU (microsecs)4,605 4,720 115 2.5%
Incl. CPU (microsecs) per call 43 44 1 2.5%
Excl. CPU (microsec)1,448 1,464 16 1.1%
Incl. MemUse (bytes)74,680 74,680 0 0.0%
Incl. MemUse (bytes) per call 698 698 0 0.0%
Excl. MemUse (bytes)-127,360 -127,360 0 0.0%
Incl. PeakMemUse (bytes)75,568 75,568 0 0.0%
Incl. PeakMemUse (bytes) per call 706 706 0 0.0%
Excl. PeakMemUse (bytes)18,848 18,848 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% 151 328.3% 115 53.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function33 21.9% 16 13.9% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 175 115.9% 118 102.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -24 -15.9% -3 -2.6% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 87 57.6% 65 56.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 35 23.2% 36 31.3% 0 N/A% 0 N/A%
array_keys0 N/A% -4 -2.6% 5 4.3% 0 N/A% 0 N/A%
array_diff0 N/A% -3 -2.0% -1 -0.9% 0 N/A% 0 N/A%
drupal_static0 N/A% 3 2.0% -5 -4.3% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -1 -0.9% 0 N/A% 0 N/A%