Diff Report
Run #519c153c76aa0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c1639640b3: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519c153c76aa0Run #519c1639640b3DiffDiff%
Number of Function Calls113 113 0 0.0%
Incl. Wall Time (microsec)5,800 5,844 44 0.8%
Incl. Wall Time (microsec) per call 51 52 0 0.8%
Excl. Wall Time (microsec)1,661 1,627 -34 -2.0%
Incl. CPU (microsecs)4,583 4,630 47 1.0%
Incl. CPU (microsecs) per call 41 41 0 1.0%
Excl. CPU (microsec)1,414 1,382 -32 -2.3%
Incl. MemUse (bytes)79,536 79,536 0 0.0%
Incl. MemUse (bytes) per call 704 704 0 0.0%
Excl. MemUse (bytes)-120,296 -120,296 0 0.0%
Incl. PeakMemUse (bytes)79,376 79,376 0 0.0%
Incl. PeakMemUse (bytes) per call 702 702 0 0.0%
Excl. PeakMemUse (bytes)19,648 19,648 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% 44 23.0% 47 37.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-34 -77.3% -32 -68.1% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 52 118.2% 60 127.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -8 -18.2% -13 -27.7% 0 N/A% 0 N/A%
Child functions
array_diff0 N/A% 57 129.5% 59 125.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::query0 N/A% -51 -115.9% -44 -93.6% 0 N/A% 0 N/A%
array_keys0 N/A% 40 90.9% 31 66.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 28 63.6% 28 59.6% 0 N/A% 0 N/A%
drupal_static0 N/A% 5 11.4% 14 29.8% 0 N/A% 0 N/A%
array_fill_keys0 N/A% -1 -2.3% -9 -19.1% 0 N/A% 0 N/A%