Diff Report
Run #5198b38f0f1d5: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198b3b171080: 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 #5198b3b171080DiffDiff%
Number of Function Calls47 47 0 0.0%
Incl. Wall Time (microsec)2,789 3,031 242 8.7%
Incl. Wall Time (microsec) per call 59 64 5 8.7%
Excl. Wall Time (microsec)675 685 10 1.5%
Incl. CPU (microsecs)1,882 1,902 20 1.1%
Incl. CPU (microsecs) per call 40 40 0 1.1%
Excl. CPU (microsec)589 573 -16 -2.7%
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 8,048 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% 242 576.2% 20 37.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function10 4.1% -16 -80.0% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 226 93.4% 34 170.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 16 6.6% -14 -70.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 232 95.9% 24 120.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 6 2.5% 5 25.0% 0 N/A% 0 N/A%
drupal_static0 N/A% -5 -2.1% 5 25.0% 0 N/A% 0 N/A%
array_diff0 N/A% -2 -0.8% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% 1 0.4% 1 5.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 1 5.0% 0 N/A% 0 N/A%