Diff Report
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #539201f8938f4Run #5392041970f3fDiffDiff%
Number of Function Calls52 52 0 0.0%
Incl. Wall Time (microsec)10,248 10,570 322 3.1%
Incl. Wall Time (microsec) per call 197 203 6 3.1%
Excl. Wall Time (microsec)1,544 1,491 -53 -3.4%
Incl. CPU (microsecs)6,352 6,364 12 0.2%
Incl. CPU (microsecs) per call 122 122 0 0.2%
Excl. CPU (microsec)1,293 1,265 -28 -2.2%
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 61,496 -596 -1.0%
Incl. PeakMemUse (bytes) per call 1,194 1,183 -11 -1.0%
Excl. PeakMemUse (bytes)11,164 10,736 -428 -3.8%

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% 322 22.0% 12 0.4% 0 0.0% -596 -1.0%
Exclusive Metrics Diff for Current Function-53 -16.5% -28 -233.3% 0 N/A% -428 -71.8%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 322 100.0% 12 100.0% 0 N/A% -596 -100.0%
Child functions
array_keys0 N/A% -6 -1.9% -20 -166.7% 0 N/A% -168 -28.2%
Drupal\Core\Database\Connection::query0 N/A% 367 114.0% 54 450.0% 0 N/A% 56 9.4%
array_diff0 N/A% 3 0.9% 1 8.3% 0 N/A% -56 -9.4%
array_fill_keys0 N/A% -8 -2.5% -11 -91.7% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 12 3.7% 7 58.3% 0 N/A% 0 0.0%
drupal_static0 N/A% 7 2.2% 9 75.0% 0 N/A% 0 0.0%