Diff Report
Run #5198b38f0f1d5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198b3cd5c9c1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #5198b38f0f1d5Run #5198b3cd5c9c1DiffDiff%
Number of Function Calls47 47 0 0.0%
Incl. Wall Time (microsec)2,789 3,021 232 8.3%
Incl. Wall Time (microsec) per call 59 64 5 8.3%
Excl. Wall Time (microsec)675 681 6 0.9%
Incl. CPU (microsecs)1,882 1,900 18 1.0%
Incl. CPU (microsecs) per call 40 40 0 1.0%
Excl. CPU (microsec)589 553 -36 -6.1%
Incl. MemUse (bytes)40,368 40,368 0 0.0%
Incl. MemUse (bytes) per call 859 859 0 0.0%
Excl. MemUse (bytes)-40,040 -40,040 0 0.0%
Incl. PeakMemUse (bytes)37,712 37,712 0 0.0%
Incl. PeakMemUse (bytes) per call 802 802 0 0.0%
Excl. PeakMemUse (bytes)8,048 8,064 16 0.2%

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% 232 50.5% 18 6.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function6 2.6% -36 -200.0% 0 N/A% 16 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 218 94.0% 26 144.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 14 6.0% -8 -44.4% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 220 94.8% 9 50.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 8 3.4% 9 50.0% 0 N/A% 0 N/A%
array_keys0 N/A% 5 2.2% 18 100.0% 0 N/A% 0 N/A%
array_diff0 N/A% -4 -1.7% 0 0.0% 0 N/A% 0 N/A%
drupal_static0 N/A% -3 -1.3% 19 105.6% 0 N/A% -16 N/A%
array_fill_keys0 N/A% 0 0.0% -1 -5.6% 0 N/A% 0 N/A%