Diff Report
Run #539203c57074d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #539203c57074dRun #539201f8938f4DiffDiff%
Number of Function Calls52 52 0 0.0%
Incl. Wall Time (microsec)10,355 10,248 -107 -1.0%
Incl. Wall Time (microsec) per call 199 197 -2 -1.0%
Excl. Wall Time (microsec)1,556 1,544 -12 -0.8%
Incl. CPU (microsecs)6,195 6,352 157 2.5%
Incl. CPU (microsecs) per call 119 122 3 2.5%
Excl. CPU (microsec)1,347 1,293 -54 -4.0%
Incl. MemUse (bytes)29,936 29,936 0 0.0%
Incl. MemUse (bytes) per call 576 576 0 0.0%
Excl. MemUse (bytes)-71,280 -71,280 0 0.0%
Incl. PeakMemUse (bytes)62,092 62,092 0 0.0%
Incl. PeakMemUse (bytes) per call 1,194 1,194 0 0.0%
Excl. PeakMemUse (bytes)11,164 11,164 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% -107 -43.3% 157 32.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-12 -11.2% -54 -34.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -107 -100.0% 157 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -77 -72.0% 185 117.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -22 -20.6% -20 -12.7% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 5 4.7% 9 5.7% 0 N/A% 0 N/A%
array_keys0 N/A% -3 -2.8% 17 10.8% 0 N/A% 0 N/A%
array_diff0 N/A% 2 1.9% 7 4.5% 0 N/A% 0 N/A%
drupal_static0 N/A% 0 0.0% 13 8.3% 0 N/A% 0 N/A%