Diff Report
Run #519a6c2cb620c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519a6b3fa9c9c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519a6c2cb620cRun #519a6b3fa9c9cDiffDiff%
Number of Function Calls73 73 0 0.0%
Incl. Wall Time (microsec)2,829 2,873 44 1.6%
Incl. Wall Time (microsec) per call 39 39 1 1.6%
Excl. Wall Time (microsec)885 900 15 1.7%
Incl. CPU (microsecs)2,235 2,250 15 0.7%
Incl. CPU (microsecs) per call 31 31 0 0.7%
Excl. CPU (microsec)714 727 13 1.8%
Incl. MemUse (bytes)52,000 52,000 0 0.0%
Incl. MemUse (bytes) per call 712 712 0 0.0%
Excl. MemUse (bytes)-42,584 -42,584 0 0.0%
Incl. PeakMemUse (bytes)48,024 48,024 0 0.0%
Incl. PeakMemUse (bytes) per call 658 658 0 0.0%
Excl. PeakMemUse (bytes)7,496 7,496 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% 44 5.6% 15 2.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function15 34.1% 13 86.7% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 68 154.5% 21 140.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -24 -54.5% -6 -40.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 24 54.5% -4 -26.7% 0 N/A% 0 N/A%
array_diff0 N/A% 8 18.2% -2 -13.3% 0 N/A% 0 N/A%
drupal_static0 N/A% -4 -9.1% -12 -80.0% 0 N/A% 0 N/A%
array_keys0 N/A% 1 2.3% 20 133.3% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 2 13.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 0 0.0% -2 -13.3% 0 N/A% 0 N/A%