Diff Report
Run #52d3e93cb560e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e964b719c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52d3e93cb560eRun #52d3e964b719cDiffDiff%
Number of Function Calls75 75 0 0.0%
Incl. Wall Time (microsec)3,172 3,218 46 1.5%
Incl. Wall Time (microsec) per call 42 43 1 1.5%
Excl. Wall Time (microsec)832 843 11 1.3%
Incl. CPU (microsecs)2,436 2,464 28 1.1%
Incl. CPU (microsecs) per call 32 33 0 1.1%
Excl. CPU (microsec)679 670 -9 -1.3%
Incl. MemUse (bytes)58,192 58,192 0 0.0%
Incl. MemUse (bytes) per call 776 776 0 0.0%
Excl. MemUse (bytes)-114,672 -114,672 0 0.0%
Incl. PeakMemUse (bytes)94,576 94,576 0 0.0%
Incl. PeakMemUse (bytes) per call 1,261 1,261 0 0.0%
Excl. PeakMemUse (bytes)16,976 16,976 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% 46 15.4% 28 9.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function11 23.9% -9 -32.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 46 100.0% 28 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 36 78.3% 33 117.9% 0 N/A% 0 N/A%
array_diff0 N/A% -2 -4.3% -5 -17.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 1 2.2% 3 10.7% 0 N/A% 0 N/A%
drupal_static0 N/A% -1 -2.2% -1 -3.6% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 1 2.2% 2 7.1% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 5 17.9% 0 N/A% 0 N/A%