Diff Report
Run #538ce4363dd76: XHProf Run (Namespace=drupal-perf-steinmb)
vs.
Run #538ce49a96f74: 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 #538ce49a96f74DiffDiff%
Number of Function Calls50 51 1 2.0%
Incl. Wall Time (microsec)5,219 5,422 203 3.9%
Incl. Wall Time (microsec) per call 104 106 2 1.9%
Excl. Wall Time (microsec)1,253 1,283 30 2.4%
Incl. CPU (microsecs)3,426 3,531 105 3.1%
Incl. CPU (microsecs) per call 69 69 1 1.0%
Excl. CPU (microsec)1,186 1,239 53 4.5%
Incl. MemUse (bytes)48,424 48,912 488 1.0%
Incl. MemUse (bytes) per call 968 959 -9 -1.0%
Excl. MemUse (bytes)-35,936 -35,424 512 1.4%
Incl. PeakMemUse (bytes)60,728 59,672 -1,056 -1.7%
Incl. PeakMemUse (bytes) per call 1,215 1,170 -45 -3.7%
Excl. PeakMemUse (bytes)22,176 21,096 -1,080 -4.9%

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::checksumTags1 50.0% 203 10.5% 105 5.4% 488 2.5% -1,056 -5.4%
Exclusive Metrics Diff for Current Function30 14.8% 53 50.5% 512 104.9% -1,080 -102.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem1 100.0% 203 100.0% 105 100.0% 488 100.0% -1,056 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% 160 78.8% 45 42.9% -24 -4.9% 24 2.3%
drupal_static1 100.0% 17 8.4% 17 16.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% -4 -2.0% -10 -9.5% 0 0.0% 0 0.0%