Diff Report
Run #519c116ac5313: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c13f61d210: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519c116ac5313Run #519c13f61d210DiffDiff%
Number of Function Calls108 108 0 0.0%
Incl. Wall Time (microsec)8,137 8,190 53 0.7%
Incl. Wall Time (microsec) per call 75 76 0 0.7%
Excl. Wall Time (microsec)2,093 2,125 32 1.5%
Incl. CPU (microsecs)5,436 5,453 17 0.3%
Incl. CPU (microsecs) per call 50 50 0 0.3%
Excl. CPU (microsec)1,802 1,827 25 1.4%
Incl. MemUse (bytes)42,180 42,180 0 0.0%
Incl. MemUse (bytes) per call 391 391 0 0.0%
Excl. MemUse (bytes)-44,216 -44,216 0 0.0%
Incl. PeakMemUse (bytes)39,464 39,464 0 0.0%
Incl. PeakMemUse (bytes) per call 365 365 0 0.0%
Excl. PeakMemUse (bytes)10,100 10,100 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% 53 5.8% 17 2.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function32 60.4% 25 147.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 53 100.0% 17 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 17 32.1% -23 -135.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -16 -30.2% -18 -105.9% 0 N/A% 0 N/A%
array_diff0 N/A% 12 22.6% 21 123.5% 0 N/A% 0 N/A%
array_keys0 N/A% 10 18.9% 13 76.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -1.9% 2 11.8% 0 N/A% 0 N/A%
drupal_static0 N/A% -1 -1.9% -3 -17.6% 0 N/A% 0 N/A%