Diff Report
Run #52f5c5484cf48: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c520502f0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52f5c5484cf48Run #52f5c520502f0DiffDiff%
Number of Function Calls69 69 0 0.0%
Incl. Wall Time (microsec)2,503 2,554 51 2.0%
Incl. Wall Time (microsec) per call 36 37 1 2.0%
Excl. Wall Time (microsec)705 706 1 0.1%
Incl. CPU (microsecs)1,953 2,008 55 2.8%
Incl. CPU (microsecs) per call 28 29 1 2.8%
Excl. CPU (microsec)583 567 -16 -2.7%
Incl. MemUse (bytes)55,000 55,000 0 0.0%
Incl. MemUse (bytes) per call 797 797 0 0.0%
Excl. MemUse (bytes)-60,256 -60,256 0 0.0%
Incl. PeakMemUse (bytes)81,176 81,176 0 0.0%
Incl. PeakMemUse (bytes) per call 1,176 1,176 0 0.0%
Excl. PeakMemUse (bytes)17,568 17,568 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% 51 7.8% 55 9.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 2.0% -16 -29.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 51 100.0% 55 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 41 80.4% 45 81.8% 0 N/A% 0 N/A%
array_diff0 N/A% 5 9.8% 10 18.2% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -2 -3.9% 1 1.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 2 3.9% 1 1.8% 0 N/A% 0 N/A%
array_keys0 N/A% 2 3.9% 7 12.7% 0 N/A% 0 N/A%
drupal_static0 N/A% 2 3.9% 7 12.7% 0 N/A% 0 N/A%