Diff Report
Run #52f5c0b2e882a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5c0f4ebbb2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52f5c0b2e882aRun #52f5c0f4ebbb2DiffDiff%
Number of Function Calls61 61 0 0.0%
Incl. Wall Time (microsec)2,460 2,462 2 0.1%
Incl. Wall Time (microsec) per call 40 40 0 0.1%
Excl. Wall Time (microsec)667 670 3 0.4%
Incl. CPU (microsecs)1,882 1,888 6 0.3%
Incl. CPU (microsecs) per call 31 31 0 0.3%
Excl. CPU (microsec)528 528 0 0.0%
Incl. MemUse (bytes)50,840 50,840 0 0.0%
Incl. MemUse (bytes) per call 833 833 0 0.0%
Excl. MemUse (bytes)-59,600 -59,600 0 0.0%
Incl. PeakMemUse (bytes)80,560 80,560 0 0.0%
Incl. PeakMemUse (bytes) per call 1,321 1,321 0 0.0%
Excl. PeakMemUse (bytes)17,128 17,128 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% 2 0.4% 6 1.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 150.0% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 2 100.0% 6 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 1 50.0% 1 16.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::query0 N/A% -1 -50.0% 1 16.7% 0 N/A% 0 N/A%
array_diff0 N/A% -1 -50.0% 4 66.7% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% -7 -116.7% 0 N/A% 0 N/A%
drupal_static0 N/A% 0 0.0% 7 116.7% 0 N/A% 0 N/A%