Diff Report
Run #51f5bb45dd257: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51f5bb45dd257Run #51f5bb078e5a7DiffDiff%
Number of Function Calls115 115 0 0.0%
Incl. Wall Time (microsec)6,013 5,786 -227 -3.8%
Incl. Wall Time (microsec) per call 52 50 -2 -3.8%
Excl. Wall Time (microsec)1,622 1,627 5 0.3%
Incl. CPU (microsecs)4,197 4,166 -31 -0.7%
Incl. CPU (microsecs) per call 36 36 -0 -0.7%
Excl. CPU (microsec)1,305 1,344 39 3.0%
Incl. MemUse (bytes)77,712 77,712 0 0.0%
Incl. MemUse (bytes) per call 676 676 0 0.0%
Excl. MemUse (bytes)-125,280 -125,280 0 0.0%
Incl. PeakMemUse (bytes)110,712 110,712 0 0.0%
Incl. PeakMemUse (bytes) per call 963 963 0 0.0%
Excl. PeakMemUse (bytes)24,048 24,048 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% -227 -30.1% -31 -26.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 2.2% 39 125.8% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -232 -102.2% -45 -145.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 5 2.2% 14 45.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::doSet0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -229 -100.9% -41 -132.3% 0 N/A% 0 N/A%
array_diff0 N/A% 14 6.2% 29 93.5% 0 N/A% 0 N/A%
array_keys0 N/A% -14 -6.2% -18 -58.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -10 -4.4% -13 -41.9% 0 N/A% 0 N/A%
drupal_static0 N/A% 7 3.1% -28 -90.3% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 1 3.2% 0 N/A% 0 N/A%