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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52f5c520502f0Run #52f5c5484cf48DiffDiff%
Number of Function Calls69 69 0 0.0%
Incl. Wall Time (microsec)2,554 2,503 -51 -2.0%
Incl. Wall Time (microsec) per call 37 36 -1 -2.0%
Excl. Wall Time (microsec)706 705 -1 -0.1%
Incl. CPU (microsecs)2,008 1,953 -55 -2.7%
Incl. CPU (microsecs) per call 29 28 -1 -2.7%
Excl. CPU (microsec)567 583 16 2.8%
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 Function-1 -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%