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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #523f1dee40c1aRun #523f1e3aba264DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)9,151 9,403 252 2.8%
Incl. Wall Time (microsec) per call 63 64 2 2.8%
Excl. Wall Time (microsec)2,501 2,567 66 2.6%
Incl. CPU (microsecs)6,353 6,452 99 1.6%
Incl. CPU (microsecs) per call 44 44 1 1.6%
Excl. CPU (microsec)2,084 2,160 76 3.6%
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 Function66 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_fill_keys0 N/A% -2 -0.8% -4 -4.0% 0 N/A% 0 N/A%
array_diff0 N/A% 13 5.2% 2 2.0% 0 N/A% 0 N/A%
array_keys0 N/A% -17 -6.7% -2 -2.0% 0 N/A% 0 N/A%