Diff Report
Run #538ce4363dd76: XHProf Run (Namespace=drupal-perf-steinmb)
vs.
Run #538ce46e85e63: XHProf Run (Namespace=drupal-perf-steinmb)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #538ce4363dd76Run #538ce46e85e63DiffDiff%
Number of Function Calls50 50 0 0.0%
Incl. Wall Time (microsec)5,219 5,743 524 10.0%
Incl. Wall Time (microsec) per call 104 115 10 10.0%
Excl. Wall Time (microsec)1,253 1,374 121 9.7%
Incl. CPU (microsecs)3,426 3,750 324 9.5%
Incl. CPU (microsecs) per call 69 75 6 9.5%
Excl. CPU (microsec)1,186 1,327 141 11.9%
Incl. MemUse (bytes)48,424 48,424 0 0.0%
Incl. MemUse (bytes) per call 968 968 0 0.0%
Excl. MemUse (bytes)-35,936 -35,936 0 0.0%
Incl. PeakMemUse (bytes)60,728 60,728 0 0.0%
Incl. PeakMemUse (bytes) per call 1,215 1,215 0 0.0%
Excl. PeakMemUse (bytes)22,176 22,176 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% 524 274.3% 324 114.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function121 23.1% 141 43.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 524 100.0% 324 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 377 71.9% 165 50.9% 0 N/A% 0 N/A%
drupal_static0 N/A% 18 3.4% 18 5.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 8 1.5% 0 0.0% 0 N/A% 0 N/A%