Diff Report
Run #51902129e4489: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51902129e4489Run #51901ff69a8a6DiffDiff%
Number of Function Calls99 99 0 0.0%
Incl. Wall Time (microsec)6,030 6,203 173 2.9%
Incl. Wall Time (microsec) per call 61 63 2 2.9%
Excl. Wall Time (microsec)1,559 1,562 3 0.2%
Incl. CPU (microsecs)4,106 4,250 144 3.5%
Incl. CPU (microsecs) per call 41 43 1 3.5%
Excl. CPU (microsec)1,264 1,292 28 2.2%
Incl. MemUse (bytes)69,912 69,912 0 0.0%
Incl. MemUse (bytes) per call 706 706 0 0.0%
Excl. MemUse (bytes)-104,136 -104,136 0 0.0%
Incl. PeakMemUse (bytes)101,904 101,904 0 0.0%
Incl. PeakMemUse (bytes) per call 1,029 1,029 0 0.0%
Excl. PeakMemUse (bytes)21,056 21,056 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% 173 320.4% 144 192.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function3 1.7% 28 19.4% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 193 111.6% 135 93.8% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -20 -11.6% 9 6.2% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 146 84.4% 106 73.6% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 36 20.8% 33 22.9% 0 N/A% 0 N/A%
array_diff0 N/A% -13 -7.5% -13 -9.0% 0 N/A% 0 N/A%
array_keys0 N/A% 2 1.2% -10 -6.9% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -0.6% -1 -0.7% 0 N/A% 0 N/A%
drupal_static0 N/A% 0 0.0% 1 0.7% 0 N/A% 0 N/A%