Diff Report
Run #52c641a950046: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c6423bf12de: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52c641a950046Run #52c6423bf12deDiffDiff%
Number of Function Calls155 155 0 0.0%
Incl. Wall Time (microsec)4,771 4,824 53 1.1%
Incl. Wall Time (microsec) per call 31 31 0 1.1%
Excl. Wall Time (microsec)1,687 1,644 -43 -2.5%
Incl. CPU (microsecs)3,919 3,927 8 0.2%
Incl. CPU (microsecs) per call 25 25 0 0.2%
Excl. CPU (microsec)1,375 1,346 -29 -2.1%
Incl. MemUse (bytes)99,560 99,560 0 0.0%
Incl. MemUse (bytes) per call 642 642 0 0.0%
Excl. MemUse (bytes)-180,768 -180,768 0 0.0%
Incl. PeakMemUse (bytes)76,256 76,256 0 0.0%
Incl. PeakMemUse (bytes) per call 492 492 0 0.0%
Excl. PeakMemUse (bytes)12,856 12,856 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% 53 10.9% 8 1.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-43 -81.1% -29 -362.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 53 100.0% 8 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 84 158.5% 43 537.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 9 17.0% 6 75.0% 0 N/A% 0 N/A%
array_diff0 N/A% 6 11.3% 10 125.0% 0 N/A% 0 N/A%
drupal_static0 N/A% -6 -11.3% -23 -287.5% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 3 5.7% 4 50.0% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% -3 -37.5% 0 N/A% 0 N/A%