Diff Report
Run #541de55978b9a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #541de429e5ab1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #541de55978b9aRun #541de429e5ab1DiffDiff%
Number of Function Calls147 147 0 0.0%
Incl. Wall Time (microsec)6,916 7,209 293 4.2%
Incl. Wall Time (microsec) per call 47 49 2 4.2%
Excl. Wall Time (microsec)2,245 2,203 -42 -1.9%
Incl. CPU (microsecs)5,776 5,927 151 2.6%
Incl. CPU (microsecs) per call 39 40 1 2.6%
Excl. CPU (microsec)1,888 1,868 -20 -1.1%
Incl. MemUse (bytes)103,224 103,224 0 0.0%
Incl. MemUse (bytes) per call 702 702 0 0.0%
Excl. MemUse (bytes)-273,808 -273,808 0 0.0%
Incl. PeakMemUse (bytes)193,912 193,912 0 0.0%
Incl. PeakMemUse (bytes) per call 1,319 1,319 0 0.0%
Excl. PeakMemUse (bytes)68,536 68,536 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% 293 15.1% 151 10.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-42 -14.3% -20 -13.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 293 100.0% 151 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 297 101.4% 129 85.4% 0 N/A% 0 N/A%
drupal_static0 N/A% 14 4.8% 19 12.6% 0 N/A% 0 N/A%
array_diff0 N/A% 11 3.8% 8 5.3% 0 N/A% 0 N/A%
array_keys0 N/A% 11 3.8% 11 7.3% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 2 0.7% 6 4.0% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% -2 -1.3% 0 N/A% 0 N/A%