Diff Report
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978d2b1f3d1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51978cc86c728Run #51978d2b1f3d1DiffDiff%
Number of Function Calls93 93 0 0.0%
Incl. Wall Time (microsec)5,575 5,751 176 3.2%
Incl. Wall Time (microsec) per call 60 62 2 3.2%
Excl. Wall Time (microsec)1,524 1,522 -2 -0.1%
Incl. CPU (microsecs)3,894 3,968 74 1.9%
Incl. CPU (microsecs) per call 42 43 1 1.9%
Excl. CPU (microsec)1,280 1,269 -11 -0.9%
Incl. MemUse (bytes)69,200 69,200 0 0.0%
Incl. MemUse (bytes) per call 744 744 0 0.0%
Excl. MemUse (bytes)-105,040 -105,040 0 0.0%
Incl. PeakMemUse (bytes)92,216 92,216 0 0.0%
Incl. PeakMemUse (bytes) per call 992 992 0 0.0%
Excl. PeakMemUse (bytes)21,360 21,360 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% 176 43.9% 74 7.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-2 -1.1% -11 -14.9% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 99 56.2% 74 100.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 77 43.8% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 161 91.5% 66 89.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 18 10.2% 22 29.7% 0 N/A% 0 N/A%
drupal_static0 N/A% -2 -1.1% -3 -4.1% 0 N/A% 0 N/A%
array_diff0 N/A% 1 0.6% -10 -13.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 2 2.7% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 8 10.8% 0 N/A% 0 N/A%