Diff Report
Run #518e77f228c59: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518e79892b1de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #518e77f228c59Run #518e79892b1deDiffDiff%
Number of Function Calls75 75 0 0.0%
Incl. Wall Time (microsec)5,246 5,470 224 4.3%
Incl. Wall Time (microsec) per call 70 73 3 4.3%
Excl. Wall Time (microsec)1,220 1,256 36 3.0%
Incl. CPU (microsecs)3,537 3,629 92 2.6%
Incl. CPU (microsecs) per call 47 48 1 2.6%
Excl. CPU (microsec)998 1,012 14 1.4%
Incl. MemUse (bytes)59,864 59,864 0 0.0%
Incl. MemUse (bytes) per call 798 798 0 0.0%
Excl. MemUse (bytes)-96,640 -96,640 0 0.0%
Incl. PeakMemUse (bytes)110,360 110,360 0 0.0%
Incl. PeakMemUse (bytes) per call 1,471 1,471 0 0.0%
Excl. PeakMemUse (bytes)24,232 24,232 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% 224 448.0% 92 195.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function36 16.1% 14 15.2% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 232 103.6% 94 102.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -8 -3.6% -2 -2.2% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 159 71.0% 33 35.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 14 6.2% 19 20.7% 0 N/A% 0 N/A%
drupal_static0 N/A% 8 3.6% 10 10.9% 0 N/A% 0 N/A%
array_keys0 N/A% 5 2.2% 8 8.7% 0 N/A% 0 N/A%
array_diff0 N/A% 2 0.9% 4 4.3% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 4 4.3% 0 N/A% 0 N/A%