Diff Report
Run #526a23ef211f9: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #526a239923027: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #526a23ef211f9Run #526a239923027DiffDiff%
Number of Function Calls63 63 0 0.0%
Incl. Wall Time (microsec)4,643 4,972 329 7.1%
Incl. Wall Time (microsec) per call 74 79 5 7.1%
Excl. Wall Time (microsec)1,118 1,193 75 6.7%
Incl. CPU (microsecs)3,497 3,717 220 6.3%
Incl. CPU (microsecs) per call 56 59 3 6.3%
Excl. CPU (microsec)946 1,005 59 6.2%
Incl. MemUse (bytes)54,352 54,352 0 0.0%
Incl. MemUse (bytes) per call 863 863 0 0.0%
Excl. MemUse (bytes)-91,568 -91,568 0 0.0%
Incl. PeakMemUse (bytes)99,272 99,272 0 0.0%
Incl. PeakMemUse (bytes) per call 1,576 1,576 0 0.0%
Excl. PeakMemUse (bytes)20,712 20,712 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% 329 34.8% 220 15.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function75 22.8% 59 26.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 329 100.0% 220 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 220 66.9% 117 53.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 24 7.3% 14 6.4% 0 N/A% 0 N/A%
array_diff0 N/A% 16 4.9% 21 9.5% 0 N/A% 0 N/A%
array_keys0 N/A% -13 -4.0% -2 -0.9% 0 N/A% 0 N/A%
drupal_static0 N/A% 8 2.4% 13 5.9% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -0.3% -2 -0.9% 0 N/A% 0 N/A%