Diff Report
Run #523f1e3aba264: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f1dee40c1a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #523f1e3aba264Run #523f1dee40c1aDiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)9,403 9,151 -252 -2.7%
Incl. Wall Time (microsec) per call 64 63 -2 -2.7%
Excl. Wall Time (microsec)2,567 2,501 -66 -2.6%
Incl. CPU (microsecs)6,452 6,353 -99 -1.5%
Incl. CPU (microsecs) per call 44 44 -1 -1.5%
Excl. CPU (microsec)2,160 2,084 -76 -3.5%
Incl. MemUse (bytes)102,512 102,512 0 0.0%
Incl. MemUse (bytes) per call 702 702 0 0.0%
Excl. MemUse (bytes)-197,976 -197,976 0 0.0%
Incl. PeakMemUse (bytes)128,448 128,448 0 0.0%
Incl. PeakMemUse (bytes) per call 880 880 0 0.0%
Excl. PeakMemUse (bytes)31,288 31,288 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% -252 -25.4% -99 -55.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-66 -26.2% -76 -76.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -252 -100.0% -99 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -188 -74.6% -23 -23.2% 0 N/A% 0 N/A%
drupal_static0 N/A% -26 -10.3% -22 -22.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 22 8.7% 18 18.2% 0 N/A% 0 N/A%
array_keys0 N/A% 17 6.7% 2 2.0% 0 N/A% 0 N/A%
array_diff0 N/A% -13 -5.2% -2 -2.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 2 0.8% 4 4.0% 0 N/A% 0 N/A%