Diff Report
Run #523f26a22745b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f27198f838: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #523f26a22745bRun #523f27198f838DiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)9,608 9,922 314 3.3%
Incl. Wall Time (microsec) per call 66 68 2 3.3%
Excl. Wall Time (microsec)2,574 2,643 69 2.7%
Incl. CPU (microsecs)6,560 6,804 244 3.7%
Incl. CPU (microsecs) per call 45 47 2 3.7%
Excl. CPU (microsec)2,094 2,214 120 5.7%
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% 314 27.5% 244 294.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function69 22.0% 120 49.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 314 100.0% 244 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 139 44.3% 49 20.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 42 13.4% 45 18.4% 0 N/A% 0 N/A%
array_diff0 N/A% 33 10.5% 16 6.6% 0 N/A% 0 N/A%
drupal_static0 N/A% 20 6.4% 27 11.1% 0 N/A% 0 N/A%
array_keys0 N/A% 10 3.2% -6 -2.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 1 0.3% -7 -2.9% 0 N/A% 0 N/A%